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Metal-Seated Check Valve with Metal-to-Metal Hard Seats for High Temperature Resistance and API 594 Compliance
| Place of Origin | China |
|---|---|
| Brand Name | YOUWEI |
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xProduct Details
| Material | Casting,Brass,Stainless Steel,Ductile Iron,GGG40 | Port Size | DN50-DN1200,Standard,2"-24",DN50-800,3/4" |
|---|---|---|---|
| Power | Manual,Electrical Actuated,Hydraulic,Handwheel Operated,GO | Pressure | Medium Pressure,Low Pressure,PN10-16,PN1.0/PN1.6,250PSI |
| Temperature Of Media | Medium Temperature,Normal Temperature,Low Temperature,-10~100℃ | Media | Water,Oil Etc.,Gas And So On |
| Application | General,irrigation,water Distribution,Industry,Water System | Structure | Gate,Butterfly,Non-Rising Gate Valve |
| Standard Or Nonstandard | Standard | Product Name | Gate Valve,Cast Iron Electric Gate Valve With Non-rising Stem DN40-DN600,DIN/BS Double Socket Type Resilient Seat Gate Valve,steel 2cr13 Stem Handwheel Api 6a Welhead Safety Gate Valve Stem Cap,3/4" Cast Iron Handle OEM 200 Wog Home Depot Brass Gate Valve |
| Standard | DIN,BS,JIS,F5;AWWA C509/C515;ANSI,DIN3352 | Size | DN40-DN600,DN50 ~ DN 1000,2''-24'',DN15 To100 |
| Connection | Flange Ends,Double Flanged,BSP,Socket Ends,Female Thread | Body Material | Ductile Iron,DI/CI,DI,cast Iron,Brass |
| Color | Blue,Customer's Request,Customer's Requirement,Yellow,GREY | Medium | Water,Water Oil Gas |
| Type | Gate Valve,Normal Open,2-way,Non-Rising Stem/ NRS | Valve Type | Gate Valve |
| Seal | Rubber Lined,Metal,PTFE | ||
| Highlight | Metal-to-Metal Hard Seats Check Valve,High Temperature Resistance Metal-Seated Check Valve,API 594 Compliance Hard Seal Check Valve |
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Product Description
Metal-Seated Check Valve
Our series of high-performance check valves are engineered with robust metal-to-metal hard seats to deliver unparalleled reliability in the most demanding fluid control applications. Designed to prevent reverse flow and protect critical system components, these valves excel in environments involving high temperatures, high pressures, corrosive media, and abrasive slurries where elastomeric or soft-sealed valves would rapidly fail.
The core of our design features precision-machined stellite, tungsten carbide, or hardened stainless steel sealing surfaces, ensuring exceptional wear resistance and a long, maintenance-free service life. The tight, bubble-tight seal achieved through advanced lapping techniques minimizes leakage to industry-leading standards.
Key Features & Benefits
- Superior Durability: Metal-seated construction ensures integrity under thermal cycling, water hammer, and severe service conditions, eliminating the risk of seal degradation common with soft materials.
- Extended Service Life: Exceptional resistance to erosion, corrosion, and galling reduces downtime and total cost of ownership.
- Wide Application Range: Ideally suited for steam, hydrocarbon, chemical processing, power generation, and high-purity systems where contamination from degrading seal materials is unacceptable.
- Reliable Performance: Fast, positive closure mechanism minimizes slam and prevents reverse flow, protecting pumps, compressors, and other upstream equipment.
- Variety of Designs: Available in tilting disc, dual plate, lift, and swing configurations to match specific flow characteristics, pressure drop requirements, and installation constraints.
- Robust Construction: Manufactured from high-grade materials (e.g., WCB, CF8M, Alloy 20) with full compliance to international standards such as API 594, API 6D, and ASME B16.34.
Typical Applications
- High-pressure steam lines and boiler feed systems
- Petrochemical and refinery process lines
- Chemical injection and aggressive fluid handling
- Power plant critical service (main steam, feedwater)
- Mining and slurry pipelines
- High-temperature heat transfer systems
Why Choose Our Hard Seal Check Valves?
We combine advanced metallurgy, precision engineering, and rigorous testing to provide a valve solution that offers maximum security and longevity. When failure is not an option, our metal-seated check valves provide the definitive safeguard for your process integrity.
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