Z in the valve model stands for gate valve, J stands for globe valve, H stands for check valve and D stands for butterfly valve.

For example, the valve model: "Z961Y-1I" is seated according to the above sequence diagram, as follows:

"Z" is a unit; "9" is unit 2; "6" is unit 3; "1" is unit 4; "y" is unit 5; "1" is 6 units; "I" is unit 7.

the model of this valve means: gate valve, electric drive, welded connection, wedge-shaped single gate, cemented carbide seal, 1Mpa pressure and chrome-molybdenum steel valve body material.

extended information

valves in operation and all kinds of valves should be complete and intact. Bolts on flanges and brackets are indispensable, and the threads shall be intact, and no looseness is allowed.

if the fastening nut on the handwheel is found loose, it should be tightened in time to avoid wearing the joint or losing the handwheel and nameplate. If the handwheel is lost, it is not allowed to be replaced by a spanner, and it should be completed in time.

the packing gland is not allowed to be skewed or have no pre-tightening clearance. For valves in the environment that are easily contaminated by rain, snow, dust, sand and other pollutants, the valve stem should be equipped with a protective cover. The scale on the valve should be complete, accurate and clear.

the lead seal, cap and pneumatic accessories of the valve should be complete and intact. Insulation jacket should be free of sag and crack. It is not allowed to knock, stand or support heavy objects on the running valve; In particular, non-metallic valves and cast iron valves should be prohibited.

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