Introduction:
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WK20R90-2
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Pressure resistance :water static pressure Max .30Bar
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Max.turn angle :90°
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Max.temperature：90℃
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Life test: 500,000 open and close cycles
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Fitting method:screw connecting G3/4 or M27×1.5
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Sealing face of ceramic disc:
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（1）Hardness:1000Hv5(2)Flatness:0.6μM
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（3）Roughness:Ra0.25μM (4)Porosity:60-80％
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Air pressure test before factory delivery (one by one tested by 100％)
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