Industrial Gate Valves Built for Reliability
DN25-DN3000 | PN10-PN25 | Full Port Design
ISO 9001 Certified
5-Day Urgent Delivery
Complete Documentation
What Procurement Managers Worry About Most
After Installation...
Leakage appears within 6 months due to poor seat sealing quality or material incompatibility with working media.
Consequence: Emergency shutdown, supplier replacement, additional rework costs
During Commissioning...
Valve fails pressure test because internal dimensions do not match specifications, or coating quality is substandard.
Consequence: Project delay, penalty clauses triggered, reputation damage
When Order Is Urgent...
Supplier cannot deliver on time, provides inconsistent lead time estimates, or lacks stock transparency.
Consequence: Production line downtime, expedited shipping costs, lost contracts
After Payment Completed...
Documentation is incomplete, test reports are generic copies, material certificates are missing or fraudulent.
Consequence: Customs clearance failure, compliance audit rejection, project certification blocked
These failures cost more than just money - they cost project timelines, professional reputation, and client trust.
What Is a Gate Valve?
A linear motion valve designed for full-bore, tight shut-off in on-off service applications
Full Port Design
Gate moves perpendicular to flow path, providing unrestricted flow when fully open. Zero pressure drop minimizes pumping energy consumption and prevents sediment accumulation.
Bidirectional Sealing
Wedge or parallel disc design creates metal-to-metal or resilient seat contact under system pressure. Suitable for applications requiring absolute leak-tightness in both flow directions.
Low Maintenance Operation
Designed for infrequent operation in fully open or fully closed positions. Simple internal structure reduces wear parts and extends service life to 15-20 years in proper conditions.
Where Gate Valves Are Essential
Critical infrastructure systems that demand zero pressure drop and absolute shut-off reliability
Municipal Water Distribution
Typical Size Range:
DN100 - DN800
Working Condition:
PN10-PN16, Potable water, 5-60°C
Why Gate Valve:
Full bore prevents sediment buildup, minimal pressure loss preserves system efficiency, long service intervals reduce maintenance costs
Wastewater Treatment Plants
Typical Size Range:
DN150 - DN1200
Working Condition:
PN6-PN10, Sewage with solids, 10-40°C
Why Gate Valve:
Unobstructed flow path handles suspended solids, knife gate design cuts through debris, corrosion-resistant materials ensure longevity
Power Generation Facilities
Typical Size Range:
DN200 - DN1600
Working Condition:
PN16-PN25, Steam/cooling water, 150-200°C
Why Gate Valve:
High pressure capability, tight shutoff prevents energy waste, temperature-resistant materials withstand thermal cycling
Industrial Process Systems
Typical Size Range:
DN50 - DN600
Working Condition:
PN10-PN40, Chemical/petroleum, -10-180°C
Why Gate Valve:
Material compatibility with corrosive media, bubble-tight sealing prevents hazardous leaks, compliance with ASME/API standards
How to Choose the Right Valve Type for Your System
Technical comparison based on actual operating characteristics and lifecycle costs
| Selection Criteria |
|
|
|
|---|---|---|---|
|
Sealing Method
|
Metal-to-metal or resilient seat, bidirectional tight shutoff, suitable for absolute leak prevention | Elastomer liner contact, soft sealing, acceptable minor leakage in some applications | Spherical surface contact, excellent sealing, but limited by seat material temperature range |
|
Pressure Loss
|
Zero pressure drop when fully open, full bore design maintains original pipe flow area | Disc remains in flow path, creates 15-30% pressure loss even when fully open | Minimal pressure loss, but reduced bore design may increase velocity |
|
Operation Frequency
|
Optimized for infrequent operation, 10-50 cycles per year, not suitable for throttling service | Suitable for frequent operation and modulating control, fast opening/closing response | Medium frequency operation, quick quarter-turn action, limited cycle life in high-pressure systems |
|
Cost Level
|
Moderate initial cost, lowest lifecycle cost in large diameter applications due to extended service life | Lowest initial cost for large sizes, but higher maintenance frequency increases TCO | Higher initial cost especially in large diameters, expensive replacement parts |
|
Maintenance
|
15-20 year service life, simple internal structure, accessible components, low spare parts inventory | 5-10 year seat replacement cycle, actuator maintenance required for automated systems | Seat replacement every 3-7 years, entire ball assembly may require replacement |
|
Typical Applications
|
Water distribution, power plants, wastewater, oil & gas transmission, isolation service | HVAC systems, ventilation, low-pressure water systems, flow regulation | Chemical processing, gas service, high-purity systems, quick shutoff requirements |
RUITO Gate Valve Product Series
Engineered solutions for different pressure classes and application requirements
Resilient Seated Gate Valve
EPDM or NBR vulcanized seat eliminates metal wear and provides bubble-tight shutoff in potable water systems
Lower operating torque reduces actuator size requirements and extends valve service life to 15+ years
DN50-DN800 range covers municipal water distribution, fire protection systems, HVAC applications
Metal Seated Gate Valve
Wedge or parallel slide design withstands temperatures from -29°C to 425°C in steam and thermal oil systems
Stellite hardfacing on sealing surfaces resists erosion in abrasive media and high-velocity flow conditions
Available in PN16-PN40 pressure ratings for power generation, petrochemical, and industrial process applications
Knife Gate Valve
Sharpened gate edge cuts through fibrous materials, sludge, and suspended solids in wastewater treatment plants
Uni-directional or bi-directional sealing options accommodate different process requirements and cost constraints
Replaceable sleeve design reduces maintenance downtime and extends valve life in corrosive chemical environments
Rising Stem Gate Valve
External stem threads remain outside fluid contact, preventing contamination in food-grade and pharmaceutical systems
Visual position indication through stem height eliminates need for external position indicators in buried installations
ACME or trapezoidal threads distribute load evenly, reducing wear and maintaining smooth operation over 50,000 cycles
Non-Rising Stem Gate Valve
Compact vertical space requirement suits underground pipeline networks and confined mechanical rooms with height restrictions
Inside screw design protects threads from corrosive media, ideal for seawater, brine, and chemical process applications
Suitable for buried service with extension stems and below-ground valve boxes in water distribution networks
Flanged Gate Valve
DIN PN10/16, ANSI Class 150/300, or JIS 10K flange drilling patterns ensure compatibility with international piping standards
Face-to-face dimensions comply with EN558-1 Series 14/15, enabling direct replacement without pipeline modifications
Available in DN25-DN2000 with body materials from GG25 cast iron to SS316 stainless steel for versatile applications
Technical Parameter Range
Comprehensive specifications meeting international standards for industrial applications
| Parameter | Range | Notes / Standard |
|---|---|---|
|
Nominal Size
|
DN25 – DN3000 (1" – 120") | DIN, EN, ANSI dimensional standards. Large diameter valves DN1000+ manufactured upon confirmed order specifications |
|
Pressure Rating
|
PN6 / PN10 / PN16 / PN25 / PN40 Class 125 / 150 / 300 |
Per EN 1092-2, DIN 2501, ASME B16.5. Higher pressure ratings available with engineered-to-order body designs |
|
Temperature Range
|
-29°C to 425°C (-20°F to 800°F) | Dependent on body and seat material selection. Resilient seats limited to -10°C to 80°C for EPDM, -20°C to 90°C for NBR |
|
Body Material
|
GG25 / GGG40 / GGG50 WCB / WC6 / WC9 CF8 / CF8M / CF3M |
Cast iron per EN-GJL-250, ductile iron per EN-GJS-400, carbon steel per ASTM A216, stainless steel per ASTM A351 |
|
Bonnet Design
|
Bolted / Pressure Seal Union / Welded |
Bolted bonnet standard for PN≤25. Pressure seal design for PN40+ or high-temperature applications above 300°C |
|
Seat Material
|
EPDM / NBR (Resilient) Bronze / Stellite (Metal) |
Resilient seats for water service. Metal seats for steam, thermal oil, or temperatures exceeding 100°C |
|
Stem Material
|
SS410 / SS416 / SS304 / SS316 | Martensitic stainless for freshwater. Austenitic SS316 mandatory for seawater or chloride-containing media |
|
Connection Type
|
Flanged (DIN / ANSI / JIS) Wafer / Grooved / Weld End |
Flange drilling per EN 1092-2, ASME B16.5, JIS B2220. Grooved ends per AWWA C606 for municipal water |
|
Operation Mode
|
Handwheel / Gear Operator Electric / Pneumatic Actuator |
Manual operation standard for DN≤300. Gear operator recommended for DN350+. Actuators configured per site specifications |
|
Face-to-Face
|
EN 558-1 Series 14 / 15 ASME B16.10 / API 6D |
Series 14 for PN10/16 flanges. Series 15 for PN25/40. ASME dimensions for ANSI Class flanges |
|
Test Standard
|
EN 12266-1 / API 598 MSS SP-61 |
Shell test at 1.5× PN. Seat test at 1.1× PN for metal seats, 1.0× PN for resilient seats. Zero leakage per Rate A |
|
Design Standard
|
DIN 3352 / EN 1074 AWWA C509 / C515 API 600 / API 6D |
DIN 3352 for European markets. AWWA C509/C515 for North American water utilities. API 600 for oil & gas applications |
Sealing & Material Design
Critical zones engineered for leak-tight performance and extended service life
Seat Sealing Zone
Material Selection Logic:
Resilient seats (EPDM/NBR) vulcanized directly onto ductile iron body provide bubble-tight shutoff in potable water systems at temperatures below 80°C. Metal seats (bronze or Stellite-faced) used when fluid temperature exceeds 100°C or media contains abrasive particles.
Application Requirements:
Municipal water systems require NSF-61 certified EPDM for drinking water contact. Steam applications above 200°C mandate Stellite No.6 hardfacing to resist thermal cycling and erosion. Seawater service requires bronze seats.
Stem Sealing Zone
Material Selection Logic:
O-ring seals (NBR/EPDM) standard for water service up to PN16 and 60°C. Chevron V-ring packing stacks used for PN25+ or steam applications where higher stuffing box pressure is required. Graphite packing mandatory for temperatures above 250°C.
Application Requirements:
Buried valve installations require extended stuffing boxes with additional packing rings to accommodate underground corrosion protection. Chemical process systems may specify live-loaded packing glands to compensate for thermal expansion.
Body Material Zone
Material Selection Logic:
GG25 cast iron sufficient for freshwater systems below PN10. GGG40/50 ductile iron provides higher tensile strength for PN16/25 applications. WCB carbon steel body required for steam or petroleum service above 120°C.
Application Requirements:
Offshore platforms and desalination plants require CF8M (316 stainless steel) bodies to withstand chloride pitting. Food-grade systems mandate CF8 (304 stainless) with electropolished surfaces. Severe corrosion environments may necessitate nickel alloys.
Manufacturing Process Transparency
Six controlled stages from raw casting to final inspection ensure consistent quality
1
Casting
Sand molding process for ductile iron bodies ensures uniform wall thickness distribution and eliminates porosity defects. Spectroscopic analysis verifies carbon content, silicon ratio, and nodular graphite structure meet EN-GJS-400 requirements before pouring. X-ray inspection on critical pressure-containing sections detects internal flaws larger than 1.5mm prior to machining.
2
CNC Machining
Computer-controlled lathes maintain sealing surface flatness within 0.02mm tolerance across entire seat contact area. Thread milling operations produce ACME stem threads with dimensional accuracy per ISO 2904 Class 7H/7e, ensuring smooth operation over 50,000 cycles. Flange face machining achieves Ra 3.2 surface finish to prevent gasket embedding and maintain leak-tight bolted connections.
3
Assembly
Clean room environment prevents contamination during resilient seat vulcanization process, which bonds EPDM compound to body at controlled temperature and pressure cycles. Torque wrenches calibrated per ISO 6789 Class A ensure bonnet bolts reach specified preload without overstressing threads. Gate-to-seat alignment verified using feeler gauges to confirm uniform contact pressure across full circumference.
4
Coating
Grit blasting to Sa 2.5 cleanliness standard removes mill scale and creates anchor pattern for coating adhesion. Fusion-bonded epoxy powder coating applied electrostatically achieves 250-300 micron dry film thickness, providing ISO 12944 C5-M corrosion protection rating for 15+ year service life. Internal surfaces receive NSF-61 certified epoxy coating when specified for potable water contact.
5
Pressure Testing
Shell test conducted at 1.5× nominal pressure rating for minimum 5 minutes while inspecting all pressure-containing joints for leakage. Seat closure test performed at 1.1× PN for metal seats, 1.0× PN for resilient seats with zero visible leakage meeting EN 12266-1 Rate A criteria. Third-party witnessed testing available upon request with certified test reports traceable to individual valve serial numbers.
6
Packing
Protective caps installed on all port openings prevent contamination during transportation and storage. Valves secured in wooden crates with internal bracing to prevent movement damage during ocean freight or truck transport. Documentation package includes material certificates per EN 10204 3.1, dimensional inspection reports, pressure test records, and operation & maintenance manuals in customer-specified language.
Quality Control & Testing Standards
Mandatory inspection protocols verify performance before shipment
Hydrostatic Pressure Test
Test Conditions:
Shell test at 1.5× PN for 5 minutes minimum, seat test at 1.1× PN (metal) or 1.0× PN (resilient) for 2 minutes with valve in closed position. Test medium is clean water with temperature between 5-40°C, pressurized using calibrated pneumatic intensifier pumps.
Acceptance Criteria:
Zero visible leakage from shell (Rate A per EN 12266-1), seat closure leakage not exceeding 0.005 L/min per inch of nominal diameter for resilient seats, absolute zero leakage for metal seats in critical service applications.
Dimensional Inspection
Test Conditions:
CMM measurement of face-to-face dimensions per EN 558-1 or ASME B16.10 with ±2mm tolerance. Flange drilling pattern verification using precision pin gauges to confirm PCD, bolt hole diameter, and raised face dimensions match drawing specifications.
Acceptance Criteria:
All critical dimensions within drawing tolerances. Flange face flatness not exceeding 0.05mm across any 25mm span. Concentricity between flange bore and body bore within 0.5mm to prevent gasket crushing during installation.
Material Verification
Test Conditions:
PMI (Positive Material Identification) analysis using handheld XRF spectrometer on body, bonnet, gate, and stem to verify alloy composition matches material certificates. Hardness testing on sealing surfaces confirms heat treatment effectiveness and wear resistance properties.
Acceptance Criteria:
Chemical composition within limits of ASTM A216 WCB, ASTM A351 CF8M, or EN-GJS-400 standards as specified. Brinell hardness values between HB 150-220 for ductile iron bodies, HB 180-240 for carbon steel, maintaining adequate ductility.
Coating Thickness Test
Test Conditions:
Electromagnetic induction gauge measurements at minimum 5 points per square meter of coated surface, including critical areas prone to thin coverage such as threaded connections and weld seams. Holiday detection at 3kV DC voltage identifies coating discontinuities.
Acceptance Criteria:
Minimum 250 microns DFT (dry film thickness) for fusion-bonded epoxy coatings in C5-M corrosion environments. No coating holidays larger than 2mm diameter. Adhesion strength minimum 10 MPa when tested per ISO 4624 pull-off method.
Operational Test
Test Conditions:
Full stroke cycling from closed to open and back 20 times minimum while measuring operating torque at 25%, 50%, 75%, and 100% travel positions. Stem packing adjusted to achieve fugitive emission levels below 100 ppm when tested per ISO 15848 protocol.
Acceptance Criteria:
Operating torque values within calculated range based on valve size and pressure rating. No binding, galling, or abnormal resistance throughout stroke. Handwheel rotation force not exceeding 250N rim pull for manual operation per EN 12570.
Documentation Review
Test Conditions:
Quality assurance team verifies material certificates trace to original mill test reports, pressure test records contain witnessed signatures and serial number correlation, dimensional inspection reports include calibration dates of measurement equipment used.
Acceptance Criteria:
Complete documentation package includes: EN 10204 3.1 material certificates, hydrostatic test certificates, dimensional inspection reports, coating records, and traceability matrix linking serial numbers to all test documents.
Certifications & Compliance
International approvals ensuring product acceptance across global markets
PED 2014/68/EU Compliance
Full compliance with EU Pressure Equipment Directive (Module H). Certified for high-pressure industrial applications and safety.
API 6D Monogram
License No. 6D-1438. Designed and manufactured in strict accordance with API 600 & API 6D standards for oil & gas pipelines.
WRAS Approved Product
Certified for use in UK potable water supply systems. Ensures material safety and compliance for drinking water projects.
DNV Marine Approval
Type approved for marine vessels and offshore platforms. Verified for structural integrity and reliability in harsh sea environments.
Fire Safe Certified
Fire safe design tested to API 607 / ISO 10497 standards. Witnessed and verified by Bureau Veritas.
LRQA ISO 9001
Quality management system certified by LRQA. Guaranteeing consistent manufacturing excellence and complete material traceability.
Engineering Project Cases
Real applications demonstrating our capability to solve complex technical challenges
Germany | Water Treatment
Municipal Wastewater Treatment Upgrade
DN300 - DN800
PN10
GGG50 + EPDM
Client Challenge:
Existing knife gate valves failing after 18 months due to seal degradation in contact with chlorinated effluent.
RUITO Solution:
Specified chlorine-resistant EPDM compound with extended vulcanization cycle, increased shore hardness from 65A to 75A for better abrasion resistance.
Result:
42 valves operating for 4+ years with zero seal replacements, client extended contract for Phase II expansion with 60 additional units.
UAE | Power Generation
Combined Cycle Power Plant Cooling
DN400 - DN1200
PN16
CF8M (SS316)
Client Challenge:
Seawater intake system required corrosion-resistant valves with 25-year design life in high-salinity environment at 45°C ambient temperature.
RUITO Solution:
Full SS316 construction with super duplex steel (2507) stem, HNBR seat material tested to 5000 ppm chloride exposure, internal epoxy coating.
Result:
28 valves commissioned in 2018, annual inspection reports show zero pitting corrosion, client specified RUITO for three subsequent projects.
Australia | Mining
Iron Ore Slurry Pipeline Isolation
DN250 - DN600
PN25
WCB + Stellite
Client Challenge:
Abrasive slurry (40% solids by weight) eroding standard valve seats, causing closure failure and production downtime every 6 months.
RUITO Solution:
Stellite No.12 hardfacing on gate and seat rings (HRC 52-58 hardness), increased seat contact width from 4mm to 8mm to distribute load.
Result:
18 valves operating for 3+ years without seat refurbishment, client calculated $2.3M savings from eliminated unplanned maintenance shutdowns.
Singapore | Petrochemical
Refinery Crude Oil Transfer System
DN150 - DN500
Class 300
WC6 (LCC)
Client Challenge:
API 600 compliance mandatory, required full traceability documentation, 6-week delivery deadline for scheduled turnaround maintenance window.
RUITO Solution:
Mobilized dedicated production line, arranged third-party API 600 witnessing inspection, air-freighted valves to meet critical path schedule.
Result:
32 valves delivered in 38 days with complete API monograms and MTRs, client avoided $500K penalty for turnaround delay.
Why Engineering Clients Choose RUITO
Factual comparison based on verifiable performance metrics and client feedback
Decision Factor
Typical Supplier
RUITO
Product Stability
Material substitutions occur without notification, batch-to-batch dimensional variance up to ±5mm on critical interfaces
Locked material specifications traceable to approved samples, CMM inspection maintains ±2mm tolerance consistency across production runs
Delivery Reliability
Lead time estimates change after order placement, 30-40% of urgent orders miss committed dates requiring expedited freight
Stock models ship within 48 hours, custom orders dispatched within quoted timeframe in 94% of cases based on 2024 delivery records
Technical Support
Sales staff without engineering background, valve selection based on price rather than application analysis, limited post-sale support
Application engineers with 10+ years valve experience review operating conditions, recommend appropriate series and materials, available for installation troubleshooting
Documentation Quality
Generic test reports using template data, material certificates lack mill heat number traceability, incomplete dimensional inspection records
Individual test certificates with actual recorded values, EN 10204 3.1 MTRs traceable to steel mill origin, dimensional reports include CMM measurement data files
Total Cost of Ownership
Lower initial price offset by 3-5 year replacement cycle, frequent maintenance requirements, compatibility issues with existing infrastructure
Competitive pricing with 15-20 year service life, interchangeability with established brands reduces spare parts inventory, lower lifecycle maintenance costs
Delivery Timeframe & Stock Capability
Transparent lead times with realistic constraints clearly stated
In-Stock Models
Ready to ShipCommon configurations in DN50-DN300, PN10/PN16 ratings with resilient seats available for immediate dispatch from warehouse inventory.
Limited to standard DIN/EN flange drilling patterns, GGG40 bodies with EPDM seats
Urgent Production
5-7 Working DaysPriority manufacturing slot for sizes DN25-DN600 when specifications match existing tooling and material is available in raw material inventory.
Requires confirmed technical drawings and PO within 24 hours of quotation acceptance
Custom Orders
15-25 Working DaysStandard lead time for non-stock configurations including special materials, large diameters DN800+, API 600 compliance, or third-party inspection requirements.
Timeline starts after drawing approval and material procurement
OEM / ODM Capability
Flexible manufacturing partnerships for valve distributors and engineering companies
OEM Production
Manufacture valves to your existing designs and specifications, apply your brand nameplate and logo, package in your branded cartons with custom documentation format.
Suitable For:
Established valve distributors with existing product catalogs, companies requiring consistent supply under their brand name, minimum order typically 50-100 units per production run.
ODM Development
Engineering team designs valve solution based on your application requirements, you receive exclusive rights to resulting design within your market territory, we handle manufacturing to finalized specifications.
Suitable For:
Companies entering new market segments, system integrators needing application-specific valves, projects requiring unique configurations not available from standard catalogs.
Custom Drawing Manufacturing
Produce valves to customer-provided detailed engineering drawings, maintain dimensional accuracy per specified tolerances, source special materials or components as drawing requires.
Suitable For:
EPC contractors with project-specific designs, end users replacing obsolete equipment requiring dimensional interchangeability, engineering firms with proprietary valve designs.
Private Mold Development
Invest in dedicated casting patterns and tooling for your exclusive use, lock in specific design features and dimensional requirements, amortize tooling cost across committed production volumes.
Suitable For:
High-volume buyers committing to multi-year contracts, companies requiring proprietary design protection, projects justifying tooling investment through total order quantity.
How to Start Cooperation
Transparent five-step process from initial inquiry to order fulfillment
1
Your Action: Provide technical parameters (size, pressure rating, material requirements, application conditions, quantity, delivery location)
Our Action: Technical team analyzes specifications, identifies potential compatibility issues, requests clarification on ambiguous requirements within 24 hours
2
Your Action: Confirm operating conditions (fluid type, temperature range, operating frequency, installation environment, special requirements)
Our Action: Application engineer recommends appropriate valve series, seat material selection, coating options based on actual service conditions
3
Your Action: Review quotation including unit price, documentation costs, delivery terms, payment conditions, validity period
Our Action: Issue formal quotation with realistic production schedule, confirm material availability, specify lead time based on current production load
4
Your Action: Approve sample valve for first-time orders, verify dimensional compliance, confirm acceptance criteria for production batch
Our Action: Manufacture pre-production sample, conduct full dimensional inspection, arrange third-party witness testing if required, adjust tooling per approved sample
5
Your Action: Issue purchase order with complete specifications, confirm shipping instructions, provide consignee details and documentation requirements
Our Action: Execute production per locked specifications, conduct quality inspections per agreed protocol, prepare complete documentation package, arrange shipment and provide tracking
Frequently Asked Questions
Direct answers to common procurement and technical inquiries
What is your minimum order quantity (MOQ)?
Standard configurations: No minimum order quantity for stock models in DN50-DN300 with common specifications. Single valve orders accepted.
Custom specifications: MOQ typically 10-20 pieces for non-stock sizes, materials, or special requirements due to material procurement minimums and tooling setup costs. Exceptions considered for large diameter valves (DN800+) where single unit value justifies production setup.
Custom specifications: MOQ typically 10-20 pieces for non-stock sizes, materials, or special requirements due to material procurement minimums and tooling setup costs. Exceptions considered for large diameter valves (DN800+) where single unit value justifies production setup.
What is the typical delivery time?
Stock items: 2-3 working days from order confirmation to shipment for inventory models.
Urgent production: 5-7 working days for standard sizes DN25-DN600 when specifications match existing patterns and materials are available.
Standard production: 15-25 working days for custom configurations, special materials, or sizes requiring dedicated tooling. Timeline begins after drawing approval and advance payment receipt. Third-party inspection or exotic material sourcing may extend lead time.
Urgent production: 5-7 working days for standard sizes DN25-DN600 when specifications match existing patterns and materials are available.
Standard production: 15-25 working days for custom configurations, special materials, or sizes requiring dedicated tooling. Timeline begins after drawing approval and advance payment receipt. Third-party inspection or exotic material sourcing may extend lead time.
How do you handle testing and inspection?
Standard testing: 100% hydrostatic pressure testing per EN 12266-1 or API 598. Shell test at 1.5× PN, seat test at 1.1× PN (metal seats) or 1.0× PN (resilient seats). Test certificates provided with serial number traceability.
Third-party inspection: Available upon request at customer's expense. Common inspection agencies include TÜV, DNV, BV, SGS, and customer-designated representatives. Minimum 7 days advance notice required to arrange witness inspection scheduling.
Documentation: Standard package includes pressure test reports, material certificates EN 10204 3.1, dimensional inspection records, coating thickness reports. Additional documentation (MTRs, PMI reports, NDE certificates) available for critical applications.
Third-party inspection: Available upon request at customer's expense. Common inspection agencies include TÜV, DNV, BV, SGS, and customer-designated representatives. Minimum 7 days advance notice required to arrange witness inspection scheduling.
Documentation: Standard package includes pressure test reports, material certificates EN 10204 3.1, dimensional inspection records, coating thickness reports. Additional documentation (MTRs, PMI reports, NDE certificates) available for critical applications.
What warranty do you provide?
Standard warranty: 18 months from shipment date or 12 months from commissioning date, whichever occurs first. Coverage includes manufacturing defects in materials and workmanship.
Warranty exclusions: Normal wear and tear, damage from improper installation or operation beyond specified parameters, modifications by unauthorized parties, corrosive media not disclosed during specification stage.
Claim process: Photo documentation and failure analysis report required. Defective components returned for inspection. Replacement parts shipped within 7 working days upon claim approval. Installation labor and consequential damages not covered.
Warranty exclusions: Normal wear and tear, damage from improper installation or operation beyond specified parameters, modifications by unauthorized parties, corrosive media not disclosed during specification stage.
Claim process: Photo documentation and failure analysis report required. Defective components returned for inspection. Replacement parts shipped within 7 working days upon claim approval. Installation labor and consequential damages not covered.
What documents are provided with the valves?
Standard documentation: Commercial invoice, packing list, EN 10204 3.1 material certificates for pressure-containing parts (body, bonnet, gate, stem), hydrostatic test certificates with actual test pressures recorded, dimensional inspection reports, operation and maintenance manual.
Optional documentation: Certificate of Origin, Form E/Form A for preferential tariff treatment, fumigation certificates for wooden packaging, third-party inspection reports, PMI analysis reports, heat treatment charts, welding procedure specifications (for welded construction).
Language: Standard documents in English. Translations to other languages available upon request with 3-5 working days preparation time.
Optional documentation: Certificate of Origin, Form E/Form A for preferential tariff treatment, fumigation certificates for wooden packaging, third-party inspection reports, PMI analysis reports, heat treatment charts, welding procedure specifications (for welded construction).
Language: Standard documents in English. Translations to other languages available upon request with 3-5 working days preparation time.
What are your payment terms?
Standard terms: 30% deposit upon order confirmation, 70% balance before shipment. Telegraphic transfer (T/T) to company bank account.
Established clients: Net 30-60 days payment terms available after successful completion of initial trial orders and credit evaluation. Requires bank references and trade references.
Large projects: Flexible payment schedules negotiable for orders exceeding $50,000 USD. Potential structures include milestone-based payments tied to production stages or letter of credit (L/C) at sight.
Currency: USD preferred. EUR and other major currencies accepted with exchange rate locked at quotation date.
Established clients: Net 30-60 days payment terms available after successful completion of initial trial orders and credit evaluation. Requires bank references and trade references.
Large projects: Flexible payment schedules negotiable for orders exceeding $50,000 USD. Potential structures include milestone-based payments tied to production stages or letter of credit (L/C) at sight.
Currency: USD preferred. EUR and other major currencies accepted with exchange rate locked at quotation date.
Request Technical Consultation
Engineering team responds to qualified inquiries within 24 hours
What Happens Next
Our application engineers review your requirements and provide technical recommendations tailored to your specific operating conditions.
Dedicated engineer assigned based on application type and industry sector
Detailed quotation with technical data sheets and material specifications
Realistic production timeline based on current factory load