Pressure-seal Piston Check Valve 900Lb~2500Lb
Standard Material Specifications
NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Life Disc A276 420 A276 304 A276 304(L) A276 316(L)
3 Sealing Seat A105 F22 A182 F304(L) F316(L)
4 Pressure Ring 08F 08F A276 304L A276 316L
5 Retaining Nut A194 2H A194 4 A194 8 A194 8M
6 P. S. Lock Nut A194 2H A194 4 A194 8 A194 8M
Suitable Medium W. O. G. etc W. O. G. etc HNO3, CH3OOH etc
Suitable Temperature -29 425 -29 550 -29 180
| NPS | 1/2~ | 3/4~ | 1~ | 1-1/4~ | 1-1/2~ | 2~ |
| L | 900~1500Lb | 140 | 140 | 140 | 178 | 178 | 216 |
| 250Lb | 186 | 186 | 186 | 232 | 232 | 279 |
| H | 117 | 117 | 117 | 152 | 152 | 195 |
| Weights | 900~1500Lb | 7.5 | 7.0 | 6.8 | 18.5 | 18.1 | 20.3 |
| 2500Lb | 9.0 | 7.6 | 8.4 | 19.5 | 20.1 | 21.8 |
Zhejiang BYHO Valve Co., Ltd. is located in Ou Bei Twon of Wenzhou City, China known as China Pump & Valve country. Our company has advanced manufacturing equipment such as CNC center, large-scale vertical lathe, borer as well as professional testing equipment.
Our company professionally produce gate valves, globe valves, check valves, ball valves, butterfly valves, plug valves and strainers in accordance with the standards like API 6D, API 600, API 602, API 607 DIN, and so on. Such special materials as WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CN7M, F51, F11, F22, F51 or F53 can be selected according to customers' requirements.
Our company focus on informational construction, and consider everything from the angel of customers and work on information collection and resource share issues. Our company adopts leading management software to monitor the whole course of production and sales part and informs customers of product information and production schedule that customers mostly concerned about so that customer can get to know production schedule of the order.
Our company always put our attention on the development of the valve industry and take the lead to maintain the trace and pursuit of the latest technology in this industry and play an important role in the industry information promoter and technology service disseminator.
