What Is The Difference Between H71 Check Valve And H76 Check Valve
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Check Valve Additional number: HH micro-resistance slow closing check valve, BH insulated check valve, HQ ball check valve; ⑴ Check valve type: H stands for check valve; ⑵ Check valve connection: 4 flange, 6 welding, 7 clamp; ⑶ Check valve type: 1 lift type, 2 vertical type, 4 swing type, 6 double flap type, 8 butterfly type; ⑷ Check valve seal: B Babbitt alloy, F fluoroplastic, H stainless steel, M monel.
