• SKCQX(44, 45) micro-resistance ball check valve
  • SKCQX(44, 45) micro-resistance ball check valve
SKCQX(44, 45) micro-resistance ball check valve
SKCQX(44, 45) micro-resistance ball check valve
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SKCQX(44, 45) micro-resistance ball check valve

Micro-resistance ball check valve, the use of rubber cover ball for the valve, under the action of the medium, can be in the valve for rolling on the slide, thereby opening or closing the valve. Large flow rate, small flow resistance loss, good sealing performance, silencing and closing, can reduce water hammer wave. Horizontal or vertical mounting is acceptable. Can be used for cold water, hot water, industrial and domestic sewage and other pipe network pump outlet, to prevent the medium back flow.

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Product Details


SKCQX(44, 45) micro-resistance ball check valve

Product overview

Micro-resistance ball check valve, the use of rubber cover ball for the valve, under the action of the medium, can be in the valve for rolling on the slide, thereby opening or closing the valve. Large flow rate, small flow resistance loss, good sealing performance, silencing and closing, can reduce water hammer wave. Horizontal or vertical mounting is acceptable. Can be used for cold water, hot water, industrial and domestic sewage and other pipe network pump outlet, to prevent the medium back flow.

Technical parameters

Nominal pressure 1.0~1.6MPa
Nominal General 50~1000mm
Applicable media Water and weakly corrosive fluids
Applicable temperature 0~80℃
Flange standard Gb/t 17241.6 gb/t 9113
Test standard GB/T 13927 API598

Typical Installation Schematic

Main Parts and Components Materials

Part Name Valve body Disc Spring Valve seat
Materials Cast iron, ductile iron, cast steel Cast copper, stainless steel Stainless Steel Copper, stainless steel

Main connection dimensions

DN 50 65 80 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000
L 203 216 241 292 330 356 495 622 698 781 914 978 978 1295 1448 1600 1760 1900
H 180 210 225 245 280 320 380 450 470 500 - - - - - - - -
H1 - - - - - - 510 570 640 715 815 825 980 1155 1260 1350 1660 1700

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