CHECK VALVES : Steel Bolted Cover Swing Type
Sizes in
mm(inch) |
Pressure
Rating |
40 to 750 (11/2" to 30") |
Class 150 & 300 |
| 50 to 350 (2" to 14") |
Class 600 |
| Design Std. |
BS: 1868, API 6D , ASME B 16.34. |
| Face to Face |
BS: EN 558-2 & ASME B 16.10. |
| Testing Std. |
BS: 6755-1, EN 12266-1, ISO 5208 & API 6D. |
| Body Material |
WCB, LCB, CF8, CF8M, Hast-B & Hast-C etc. |
| Disc / Seatring |
WCB with 13 % Cr / stellite overlay CF8, CF8M, Hast-B & Hast-C etc. |
| End Connection |
Flanged & Butt Weld. |
CHECK VALVES : Steel Pressure Seal Cover Swing Type
Sizes in
mm(inch) |
Pressure
Rating |
50 to 300 ( 2" to 12") |
Class 900 , 1500 , 2500 |
| Design Std. |
ASME B 16.34. |
| Face to Face |
BS: EN 558-2 & ASME B 16.10. |
| Testing Std. |
BS: 6755-1, EN 12266-1 & API 598. |
| Body Material |
WCB, CF8, CF8M, WC6,WC9. |
| Disc / Seatring |
WCB, WC6 , CA6NM , CF8, CF8M all offered with stellite overlay. |
| End Connection |
Flanged & Butt Weld. |
CHECK VALVES : Wafer
Sizes in
mm(inch) |
Pressure
Rating |
50 to 300 ( 2" to 12") |
Class 150 & 300
|
| 350 to 1600 (14" to 64") |
PN 10 |
| Design Std. |
API - 6D. |
| Face to Face |
API - 6D. |
| Testing Std. |
API 598 & API - 6D . |
| Body Material |
DI, WCB, CF8, CF8M etc. |
| Disc |
DI, WCB, CF8, CF8M etc. |
| Seal Ring |
Nitrile , EPDM , Neoprene etc. |
| End Connection |
Wafer. |
CHECK VALVES : Dual Plate
Sizes in
mm(inch) |
Pressure
Rating |
50 to 600 (2" to 24") |
Class 150 & 300
|
| Design Std. |
API 594 / API-6D. |
| Face to Face |
API 594 / API 6D. |
| Testing Std. |
API-6D / API 598 . |
| Body Material |
WCB, CF8 & CF8M etc. |
| Disc |
WCB, CF8 & CF8M etc. |
| Spring |
316 , INCONEL. |
| End Connection |
Wafer. |
CHECK VALVES : Non Slam
Sizes in
mm(inch) |
Pressure
Rating |
15 to 300 (1/2" to 12") |
Class 150 & 300
|
| Design Std. |
As per Manufacturer. |
| Face to Face |
As per Manufacturer. |
| Testing Std. |
API-6D / API 598 / ISO 5208. |
| Body Material |
WCB, CF8 & CF8M etc. |
| Disc |
WCB, CF8 & CF8M etc. |
| Spring |
316 , INCONEL |
| End Connection |
Wafer. |
CHECK VALVES : Flap Type
Sizes in
mm(inch) |
Pressure
Rating |
25 to 300 (1" to 12") |
PN 7
|
| Body Material |
Cast Iron & WCB . |
| Lining |
Natural and synthetic elastomers. |
| Disc |
Steel Plate duly rubber lined. |
| End Connection |
Flanged. |
|