1, according to the use of premises, use, and understand the relevant laws and regulations, specifications, standards, guidelines, and allowable post-approval requirements can use for a variety of valves;
2, confirm the valve's working conditions, applicable to medium, working pressure, medium temperature;
3, determine and piping that matches the DN: dn (mm);
4, to determine ways and pipelines connected: flange type, (and beyond) thread type, welded on the clip-on, clamp type, sleeve type, etc.;
5 to determine the valve mode of operation: manual, worm wheel movement, pneumatic, electric, hydraulic, electro-magnetic dynamic, electric hydraulic, etc.;
6, confirm the type of valves: gate valves, globe valve valve, throttle valves, plunger valves valves, ball valves, butterfly valves, diaphragm valves, plug valves, Check valves, safety valves valves, trap valves, pressure reducing valve valves and other specialty valves;
7, to determine the use of the form of the valve: switch type, adjustment type, security type, etc.;
8 to determine the valve casing and inner parts of the material: gray iron, ductile iron, carbon steel, alloy steel, stainless steel, copper alloys, aluminum, plastic, etc.;
9 to determine the performance requirements of the valve sealing, sealing class or seal leakage;
10, to determine the valve protective coating requirements, packaging requirements, transportation requirements;
11, the valve should also be identified with special needs: structure, length, valve height, dimensions, flow resistance, discharge capacity, flow characteristics, protection grade, explosion-proof performance, and other parameters;
12 to determine the location and installation of the valve position.
ball valve Trunnion Mounted Ball Valve Floating Ball Valve Top Entry Ball Valve Three way ball valve V Type Ball Valve
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