Cast Steel Swing Check Valve, Bolted Bonnet
CVC Valves’ Cast Carbon Steel Swing Check Valves (Class 150, 300, 600) with Bolted Bonnet are manufactured in accordance with ASME B16.34.
Application
These Swing Check Valves are used in pipelines and facilities for water, steam, non-aggressive gases, naphtha, naphtha derivatives and in other power and process installations, in operation conditions up to 800°F (427°C), in accordance with Table No. 1 (see spec sheet). Data included in this table meet the pressure-temperature ratings of ASME B16.34. They function equally well when installed in either horizontal or vertical lines to prevent backward flow. In vertical lines the flow direction must be upwards.
Technical Data
The basic dimensions of the Swing Check Valves are in accordance with Table No. 4 (see spec sheet). Face to face dimensions of the Swing Check Valves are in accordance with ASME B16.10. The pipe flanges are regularly furnished in accordance with ASTM B 16.5 (see note). The raised face of the pipe flanges are machined in accordance with MSS SP-6.
The Check Valve Seats and Discs are normally faced with 13% Chrome but other API standard trim materials are available.
Tests
The Check Valves are hydrostatically and pneumatically tested in accordance with Table No. 2 (spec sheet), meeting the requirements of API 598, API 6FA, and MSS SP-61.
Note: Other flange facings and finishes in accordance with ASME B16.5 are available on request. Butt weld ends will be furnished in accordance with ASME B16.25, unless otherwise specified.
Class 150: Fig 1572-C/1573-C – Specs
Class 300: Fig 3072-C/3073-C – Specs
Class 600: Fig 6072-C – Specs
For detailed specifications please compare spec sheets.
