Top-entry check valve provided by ALL-PETRO is forged by hight strength alloy steel,it’s used to stop the return flow from high pressure piping,our to-entry check valve are available in size 2 inch and 3 inch,15,000psi working pressure,with fig1502 hammer union end connection.
ALL-PETRO top entry check valve is designed to be compatible with FMC Weco top entry check valve based on technology imported from FMC. To ensure the quality, our top entry check valves are forged by the high quality alloy steel. All processes including forging, machine, and heat treatment are strictly controlled and full trackable in according with API 6A, API 16c and Q1, as well as NACE-MR-01-75 (sour gas service)
| Product Type | WP (PSI) |
| Standard Flow | |
| 2″ 1502 STD Flow | 15,000 |
| 3″ 1502 STD Flow | 15,000 |
| 4″ 1502 STD Flow | 15,000 |
| 4″ 1002 STD Flow | 10,000 |
| Reverse Flow | |
| 2″ 1502 Reverse Flow | 15,000 |
| 3″ 1502 Reverse Flow | 15,000 |
| 4″ 1502 Reverse Flow | 15,000 |
| 4″ 1002 Reverse Flow | 15,000 |
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