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Wafer End Flap Type Check Valve

Wafer End Flap Type Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Product Details

Wafer End Flap Type Check Valve


Size Range

DN15-DN1000, 1/2"-40"

Pressure Range

PN10-PN420, CLASS150-2500

Connection End



API 6D, API 594, API 598, MSS SP-25

Operation Way


Packing Method

Standard Export worthy duly wooden boxs

Shipment Way

By Express, By Air or BySea, as customer request

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.


General uses: distribution and treatment of water
(filtration, equipment of swimming pool) air conditioning,
hydrocarbon, irrigation, etc.

Main Feature

It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect.

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 can be installed on horizontal and vertical pipelines.

Zhejiang Naibang Valve CO., LTD, Founded in 2000, is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.

The main product are wafer check valves, ball valves, gate valves, globe valves, forged steel valves, and have obtained ISO9001 , API 6D , CE Certificate and TS management system certifications.


We welcome all the world customers to contact us for more cooperation.

With our years of technical knowledge and experience, we assure you,

Naibang will be one of your best parters in China.

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