Different materials have different corrosion resistance to the same corrosive medium, and the change of temperature often leads to a series of performance changes of materials, such as brittleness of materials at low temperature, graphitization and creep of materials at high temperature, etc. Many corrosion forms are closely related to the temperature of the medium.
1. Confirm the nominal diameter matching the pipeline: DN(mm), NPS(")
Confirm connection mode with pipe: flange type, internal (external) thread type, welding type, clamp type, clamp type, etc.
Confirm the drive mode of stainless steel water valve operation: manual, worm gear and worm drive, pneumatic, electric, hydraulic electromagnetic, electro-hydraulic linkage, etc.
2. confirm the stainless steel water valve sealing performance requirements, sealing class or sealing leakage;
3. confirm the stainless steel water valve protection coating requirements, packaging requirements, transport requirements;
4. confirm the type of stainless steel water valve: gate valve, globe valve, throttle valve, plunger valve, ball valve, butterfly valve, diaphragm valve, check valve, trap valve, reducing valve and other special valves.
5. confirm the use of stainless steel water valve: switch type, control type, etc.
6. confirm the stainless steel water valve shell and inner parts of the material: carbon steel, alloy steel, stainless steel, ductile iron, gray iron, copper alloy, aluminum alloy, plastic, etc.
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