Check valve in assembly requirement is high, so that we can guarantee the stable development of the subsequent management work, so for enterprise how to check for a valid installation? 1. Three-way ball valve assembly when the flange bolts must be symmetrical, gradually and evenly. Check valve disc around the seat to the clamp pin shaft rotate within the check valve. Disc check valve has simple structure, can only be installed in horizontal pipe runs, sealing is good. High temperature check valve belongs to a kind of automatic valve, main effect is to prevent the backflow medium, to prevent the pump and drive motor reversal, and the discharge of the container medium. Swing check valve can also be used to give the pressure could rise to more than the system pressure of the secondary system supply piping. 2. Cleaner should with three-way ball Industrial Valves of rubber parts, plastic parts, metal parts and working medium etc are incompatible. Working medium is gas, cleaning metal parts available petrol. Non-metallic parts clean with clean water or alcohol. 3. The individual parts can use dip way to clean. Still left did not break down the non-metallic metal parts can be fine clean clean immersion scrub of silk. When cleaning should remove all adhesion on the surface of grease, dirt, plastic product, dust, etc. Non-metallic parts after cleaning shall be immediately removed from cleaner, may soak for a long time. 4. After cleaning after wash wall detergent volatile and are assembled, but shall not be shelved for a long time, or it will rust and dust pollution. 5. Use of grease lubrication. Grease and three-way ball valve should be metal material, rubber parts, plastic parts and working medium are incompatible. Working medium is gas, available for example 221 grease. Besmear in seal installation groove on the surface of a thin layer of grease, apply a thin layer of grease on rubber seal, valve stem seal face and friction surface coated with a thin layer of grease. 6. Assembly time should not be allowed to have metal scraps, fiber dust, grease and other impurities, foreign bodies, such as pollution, adhesion, or stay on the parts surface, or into the lumen. So analysis of check valve reasonable assembly, can effectively guarantee the role of its pipeline, provide service enterprise production and management efficiency.
The increasing consumption demand in key segments such as resilient seal gate valve, cast iron gate valve and os & y valve fire protection have been driving the sales of and its derivatives worldwide.
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