Easy installation , quick connecting with other grooved pipe fittings or valves at any angle Special valves for fire pipe and hydrant system. Centerline structure, pinless through shaft design. Disc has twoway bearing, no installation direction...
sy series drain valve nova valve is a china manufacturer of sampling systems, instrument valves, gas samplers, needle valves, spray water control valve, gate valve, globe valve, check valve, ball valve, butterfly valve, control valve etc. Choose us,...
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