Lift Check Valve Collection
- Piston-guided design
- Non-slam closure
- High-pressure rating
- Metal/soft seats
- ANSI flange ends
- Compact construction
- Low maintenance
- Bubble-tight seal
- Vertical/horizontal install
- Durable spring
Main functions and technical parameters of the product
MeiDe Valve produces Lift Check Valves API 594-certified design ensures zero backflow (≤2ppm leakage) with gravity-assisted closure. Key benefits:
- Spherical High-Pressure Disc: Tungsten carbide overlay (HRC 65+) withstands 2500# surges.
- Multi-Directional Installation: Horizontal/vertical/45° mounting (ASME B16.34 compliant).
- Extreme Temp Range: -196°C~550°C with SS316+graphite body seals (ISO 15848-1).
- Anti-Water Hammer: Guided stem reduces disc impact by 60%, ideal for steam/gas/LNG systems.
- NACE MR0175 Option: Inconel 625 trim for Hâ‚‚S-rich pipelines. 500,000+ cycle durability (API 598).
| Size Range | 1/2″-24″(15mm-600mm) | Body Material | Carbon Steel,Stainless Steel，Nickel Aluminum Bronze,alloy steel,etc |
| Temperature Range | -196 to 550 degree | Pin Material | Staniless Steel |
| Pressure Ratings | Class 150 to Class 2500,PN 2.5 to PN420,10K-20K | Body Style | Double Flanged,
Butt Weld,NPT,SW |
| Design Standard | ASME B16.34,API 602 | Flange Standard | ASME B16.5, EN 1092-1,
GOST 33259,ASME B16.47 |
| Testing Standard | API598,EN12266-1,
ISO 5208 |
Certifications | CE,EAC,SIL3,ISO 19001 |
| Face to Face | ASME B16.10,EN558-1,
|
Disc Materials | Carbon Steel,Stainless Steel,
Nickel Aluminum Bronze,alloy steel,etc |
| Shutoff Rating | Zero Leakage | Seat Material | Soft Seated Metal Seated |