Established in 1993, 上海正丰阀门制造有限公司 is a leading Chinese valve manufacturer headquartered in Shanghai. The company designs and produces high-performance control valves, check valves, and plug valves serving the metallurgy and nuclear power sectors. Its manufacturing facilities feature advanced CNC machining centers and testing labs, ensuring full compliance with ASTM, ASME, and GB standards.
| Model | Size Range | Pressure Rating | Body Material | Standard | Applicable Media |
|---|---|---|---|---|---|
| Q56W-300 | DN80-DN240 | PN16.0-PN64.0 | copper | BS | steam |
| Y55H-300 | DN25-DN250 | PN4.0-PN12.0 | stainless steel | JB | high-viscosity media |
| F44H-150 | DN250-DN750 | PN300.0-PN900.0 | cast steel | ISO | cryogenic media |
| H70F-40 | DN32-DN128 | PN4.0-PN20.0 | alloy steel | HG | natural gas |
| F71Y-16 | DN500-DN2500 | PN6.4-PN38.400000000000006 | fluorine-lined | BS | slurry |
| Y70Y-64 | DN600-DN4800 | PN1.0-PN3.0 | alloy steel | ISO | natural gas |