Xiamen Dervos Valves Industry Co., Ltd. [China]

Detailed Product Description

Pressure Seal Check Valve

Features

• Advanced pressure seal design and pure graphite gasket rings to ensure high tightness and to comply with the Health, Safety and Environment requirements for fugitive emissions control.
• Supplied as swing check and tilting disc configurations.
• Slam-free operation offered by tilting disc configuration.

Sizes

Swing check configurationNPS2~ 16   

Tilting disc configuration NPS2~ 24

Pressure Ratings

Swing check configuration

Class900~ Class1500

Tilting disc configuration

Class1500~Class 2500

Temperature  -29~593

Design StandardASME B16.34 API 6D

Face to Face    ASME B16.10

Butt-welding Ends ASME B16.25

Test and Inspection API 6D

Notes: The sizes of serial valve butt-welding dimensions can be designed according to customers requirement.