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Yongjia Youkai Valve Co., Ltd
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Yongjia Youkai Valve Co., Ltd

  • E-mail

    83626434@qq.com

  • Phone

    15356263508

  • Address

    Longqiao Industrial Zone, Oubei Town, Zhejiang Province

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Stainless steel check valve

NegotiableUpdate on 01/21
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Overview

The direction of the medium inlet and outlet channels of the stainless steel check valve is perpendicular to the direction of the valve seat channel; The vertical lift check valve has a medium inlet and outlet channel direction that is the same as the valve seat channel direction, and its flow resistance is smaller than that of the straight through type.

Product Details

Stainless steel check valvecompose

The HC42X * check valve is mainly composed of main components such as valve body, valve seat, guide body, valve disc, bearing, and spring. The internal flow channel adopts streamlined design, with minimal pressure loss. The valve disc has a short opening and closing stroke, and can be quickly closed when the pump is stopped to prevent huge water hammer sound. It has the characteristic of * closing. This valve is mainly used for water supply and drainage, fire protection, and HVAC systems. It can be installed at the outlet of the water pump to prevent backflow and water hammer damage to the pump.

Stainless steel check valveMain component materials

Part Name material
Valve body, valve cover Cast iron, cast steel, stainless steel
valve core Cast iron, cast steel, stainless steel
valve disc Carbon steel, stainless steel+rubber
valve seat Aluminum bronze, chromium stainless steel
valve stem Aluminum bronze, chromium stainless steel
spring stainless steel

3、 Technical parameters

*式止回阀H42X

4、 External dimensions (flange size PN1.0MPA according to GB4216.4-84 standard, PN1.6MPA according to GB4216.5-84 standard, PN2.5MPA according to GB9113.4-88 standard)


DRVZ \ \ HC42X produced by KesidaStainless steel check valveIt is mainly composed of parts such as valve body, valve seat, valve core, valve disc, guide sleeve, and spring. The internal flow channel adopts a streamlined design, with minimal pressure loss, short opening and closing stroke of the valve disc, and short opening and closing stroke when stopping the pump. It can be quickly closed when stopping the pump to prevent huge water hammer sound, and has the characteristic of * closing. This valve is mainly used for water supply, drainage, fire protection, and HVAC systems. It can be installed at the outlet of the water pump to prevent medium backflow and water hammer damage to the pump.

*Check valve: A check valve in which the valve disc slides along the vertical centerline of the valve body. Internal threaded check valves can only be installed on horizontal pipelines, and on high-pressure small-diameter check valves, the valve disc can be spherical. The valve body shape of butterfly check valve is the same as that of globe valve (can be used interchangeably with globe valve), so its fluid resistance coefficient is relatively high. Its structure is similar to that of a globe valve, with the same valve body and disc as the globe valve. The upper part of the valve disc and the lower part of the valve cover are processed with guide sleeves. The valve disc guide sleeve can freely rise and fall inside the valve disc guide sleeve. When the medium flows downstream, the valve disc opens by the thrust of the medium. When the medium stops flowing, the valve disc descends on the valve seat by self sagging, which prevents the medium from flowing back.