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Anechoic check valve

    PNDN（mm）LDKbZ-Ød
    1.0
    		40112
    		145110184-Ø18
    50120160125204-Ø18
    65130180145208-Ø18
    80150195160228-Ø18
    100165215180248-Ø18
    125190245210268-Ø18
    150210280240268-Ø22
    200255335295288-Ø22
    2503103903502812-Ø22
    3003204404002812-Ø22
    3503805004603016-Ø22
    4004055655153216-Ø26
    4504306165653220-Ø26
    5004506706203420-Ø26
    6005107807253620-Ø30
    1.640112145110184-Ø18
    50120160125204-Ø18
    65130180145208-Ø18
    80150195160228-Ø18
    100165215180248-Ø18
    125190
    		245210268-Ø18
    150210280240268-Ø22
    2002553352953012-Ø22
    2503104053553212-Ø26
    300320460
    		4103212-Ø26
    3503805204703616-Ø26
    4004055805253816-Ø30
    4504306405854020-Ø30
    500
    		4507156504220-Ø33
    6005108407704820-Ø36






  • Parameters

    PNDN（mm）LDKbZ-Ød
    1.0
    		40112
    		145110184-Ø18
    50120160125204-Ø18
    65130180145208-Ø18
    80150195160228-Ø18
    100165215180248-Ø18
    125190245210268-Ø18
    150210280240268-Ø22
    200255335295288-Ø22
    2503103903502812-Ø22
    3003204404002812-Ø22
    3503805004603016-Ø22
    4004055655153216-Ø26
    4504306165653220-Ø26
    5004506706203420-Ø26
    6005107807253620-Ø30
    1.640112145110184-Ø18
    50120160125204-Ø18
    65130180145208-Ø18
    80150195160228-Ø18
    100165215180248-Ø18
    125190
    		245210268-Ø18
    150210280240268-Ø22
    2002553352953012-Ø22
    2503104053553212-Ø26
    300320460
    		4103212-Ø26
    3503805204703616-Ø26
    4004055805253816-Ø30
    4504306405854020-Ø30
    500
    		4507156504220-Ø33
    6005108407704820-Ø36






The silent check valve is mainly composed of main components such as the valve body, valve seat, valve disc bearing, and spring. The internal flow channel adopts a streamlined design, with minimal pressure loss. The valve disc has a short opening and closing stroke, which can quickly close when the pump is stopped, preventing huge water hammer sounds and having the characteristic of silent closing.

This valve is mainly suitable for water supply and drainage, fire HVAC systems, and can be installed at the outlet of the water pump to prevent medium backflow and water hammer damage to the pump.


• Adopting a streamlined design with minimal head loss;

• Internal springs can accelerate closure to achieve a silent effect;

• Can be installed at the water pump outlet to avoid water hammer, water hammer sound, and floor breaking impact, achieving the purpose of preventing backflow and protecting equipment;

• Small installation space.


Anechoic check valve
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 VALOBAL Machinery Co., Ltd.

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Phone：+86  13820279078 

              +86  13920031880

TEL ：   +86  022-28596699

Email：sales@valobal.com

Address：No. 5 Road North, Industrial Zone, Xiaozhan Town, Jinnan District, Tianjin City

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Contact +

Phone：+86  13820279078    

              +86  13920031880

TEL：   +86  022-28596699

Email：sales@valobal.com

Address：No. 5 Road North, Industrial Zone, Xiaozhan Town, Jinnan District, Tianjin City

版权 © valobal 所有  津ICP备2567604903案

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