A pressure seal non-return valve is designed to allow unidirectional fluid flow while preventing backflow in high-pressure and high-temperature systems. Its pressure seal bonnet ensures a tight and reliable seal, becoming more effective as internal pressure increases, making it suitable for demanding industrial applications. The valve is available in two connection types: flange end and buttweld. The flange end version facilitates easy installation and maintenance, while the buttweld version provides a permanent, leak-tight connection for critical and long-term use. Commonly used in industries such as oil and gas, power generation, and petrochemicals, this valve is valued for its durability, efficiency, and ability to handle extreme operating conditions.
Design std |
ASME B16.34 |
---|---|
Size |
2″ TO 14″ |
Class |
600# 900# 1500# 2500# |
Body & Bonnet Material |
WCB, WCC, WC6, WC9, C 5, C 12, LCB, LCC, CF8, CF8M |
SEAT |
A105+13%CR, A105+STEELITED 6# |
TRIM |
API NO. 1 TO 16 |
Face to Face |
ANSI B16.10 |
End Connection |
ANSI B16.5 |
P. NO. | PART DESCRIPTION | Carbon Steel to ASTM | Alloy Steel to ASTM | Stainless Steel to ASTM | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Type WCB | Type LCB | Type WC1 | Type WC6 | Type WC9 | Type C5 | Type C12 | Type CF8 | Type CF8M | Type CF3 | Type CF3M | ||
1 | BODY | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
2 | BODY SEAT RING | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
3 | DISC | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
4 | HING | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
5 | FORK | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
6 | BONNET | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
7 | PRESSURE SEAL GASKET | GRAPHOIL | ||||||||||
8 | COVER | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
9 | WASHER | CARBON STEEL | ||||||||||
10 | NUTS | A194 2H |
A194 Gr.4 |
A194 Gr.4 |
A194 Gr.4 |
A194 Gr.4 |
A194 Gr.4 |
A194 Gr.4 |
A194 Gr.8 |
A194 Gr.8 |
A194 Gr.8 |
A194 Gr.8 |
11 | PRESSURE RING | A216 WCB |
A352 LCB |
A217 WC1 |
A217 WC6 |
A217 WC9 |
A217 C5 |
A217 C12 |
A351 CF8 |
A351 CF8M |
A351 CF3 |
A351 CF3M |
12 | FORK NUT | STAINLESS STEEL | ||||||||||
13 | HING PIN | STAINLESS STEEL | ||||||||||
14 | DISC NUT | STAINLESS STEEL | ||||||||||
15 | LOCKING PIN | STAINLESS STEEL | ||||||||||
16 | WASHER | STAINLESS STEEL | ||||||||||
NOTES : The above data is subject to change without any notice due to our continuing product improvement Program. |