China Wafer Retainerless Type Double Disc Swing Check Valve

Wafer Retainerless Type Double Disc Swing Check Valve
Built in double-disc wafer swing check valve
Retainerless
metal seal or rubber seal
DN50-DN1500, class150-2500
Product features
To API594
Face to face per ANSI B 16.10
Flange ends dimension ANSI B 16.5/ANSI B 16.47
Final inspection tests to API598.

Main feature:

The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise. It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect. It can be installed on horizontal and vertical pipelines.

Materials
Carbon Steel, Stainless Steel, Alloy Steel, ect
Corrosion protection
Inside and outside epoxy coating
Applicable temperature: -196-540 different raw material for different work temperature
Applicable medium: Water, oil, gas and other causticity medium (different raw material for different medium)
about this product:
H76H/H76W/H76X-10-40C/P/R.

Advantage

Two arch disc are fixed onto the valve body with a spindle on which two torsional springs are equipped for installing the butterfly plate onto the valve body sealing face. The butterfly plate pressed by the springs is opened by relying on the medium pressure, and the valve is closed by the spring force and the medium pressure under backflow. It can be installed on horizontal and vertical pipelines.

WORKSHOP

INSPECTION

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SpecificationsApplicable Standards DesignASME B16.34, API6D Fire safeAPI 607 Anti staticAPI 608, API6D Face to faceASME B16.10, API6DWelding endsASME B16.25Inspection and testAPI 598, API 6D