cylinder valve QF-40A1

cylinder valve QF-40A1


QF-40A1 ,with Brand Huqiwei, is designed for N2,Ar,O2 gas steel cylinder

QF-40A1 cylinder valve ,  with Brand Huqiwei,   is designed for  N2,Ar,O2  steel cylinder,  with  keeping  residual pressure device.  working pressure is 20Mpa,  nominal diameter is 4mm

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