MOQ: | 1 |
Price: | USD12 |
Delivery Period: | 15-20 work days |
Payment Method: | T/T |
Supply Capacity: | 100-1000 |
A Check Valve is an automatic, one-directional flow control device that prevents backflow in piping systems. These valves operate without external control, using system pressure to open and close, ensuring fluid flows in only one direction while protecting equipment from reverse flow damage.
Parameter | Description | Technical Specifications |
---|---|---|
Valve Type | Swing, Lift, Dual-Plate, Ball, Tilting Disc, Stop-Check | Based on application requirements |
Size Range | Connection dimensions | ½" to 72" (DN15 to DN1800) |
Pressure Rating | Maximum working pressure | 150-2500 psi (10-172 bar) |
Temperature Range | Operational limits | -320°F to 1500°F (-196°C to 816°C) |
Cracking Pressure | Minimum opening pressure | 0.5-15 psi (0.03-1 bar) |
Flow Capacity (Cv) | Flow coefficient rating | 5-10,000 (varies by size/type) |
Body Material | Primary construction material | Cast Iron, Carbon Steel, Stainless |
Seat Material | Sealing surface composition | Metal, EPDM, FKM, PTFE |
End Connections | Interface types | Flanged, Threaded, Wafer, Butt Weld |
Closure Speed | Response time to close | Instant to 5 seconds |
Certifications | Industry standards | API, ASME, ISO, PED |
Optional Features | Special configurations | Spring-assisted, Silent, Non-slam |
Application | Recommended Type | Key Advantage |
---|---|---|
High-Pressure Steam | Nozzle Check Valve | Fast closure prevents water hammer |
Wastewater Systems | Dual-Plate Check | Compact design, easy maintenance |
Chemical Processing | PTFE-Lined Check | Superior corrosion resistance |
Pump Discharge | Swing Check | Low cracking pressure |
Vertical Flow | Lift Check | Reliable operation in any orientation |
MOQ: | 1 |
Price: | USD12 |
Delivery Period: | 15-20 work days |
Payment Method: | T/T |
Supply Capacity: | 100-1000 |
A Check Valve is an automatic, one-directional flow control device that prevents backflow in piping systems. These valves operate without external control, using system pressure to open and close, ensuring fluid flows in only one direction while protecting equipment from reverse flow damage.
Parameter | Description | Technical Specifications |
---|---|---|
Valve Type | Swing, Lift, Dual-Plate, Ball, Tilting Disc, Stop-Check | Based on application requirements |
Size Range | Connection dimensions | ½" to 72" (DN15 to DN1800) |
Pressure Rating | Maximum working pressure | 150-2500 psi (10-172 bar) |
Temperature Range | Operational limits | -320°F to 1500°F (-196°C to 816°C) |
Cracking Pressure | Minimum opening pressure | 0.5-15 psi (0.03-1 bar) |
Flow Capacity (Cv) | Flow coefficient rating | 5-10,000 (varies by size/type) |
Body Material | Primary construction material | Cast Iron, Carbon Steel, Stainless |
Seat Material | Sealing surface composition | Metal, EPDM, FKM, PTFE |
End Connections | Interface types | Flanged, Threaded, Wafer, Butt Weld |
Closure Speed | Response time to close | Instant to 5 seconds |
Certifications | Industry standards | API, ASME, ISO, PED |
Optional Features | Special configurations | Spring-assisted, Silent, Non-slam |
Application | Recommended Type | Key Advantage |
---|---|---|
High-Pressure Steam | Nozzle Check Valve | Fast closure prevents water hammer |
Wastewater Systems | Dual-Plate Check | Compact design, easy maintenance |
Chemical Processing | PTFE-Lined Check | Superior corrosion resistance |
Pump Discharge | Swing Check | Low cracking pressure |
Vertical Flow | Lift Check | Reliable operation in any orientation |