Note: (

ball Industrial Valves use 1) Before dismantling, must confirm the ball valve upstream and downstream piping has been under pressure. ( 2) Non-metallic parts after cleaning shall be immediately removed from cleaner, may soak for a long time. ( 3) Flange bolts must be symmetrical, step by step, when it is assembled to tighten evenly. ( 4) Cleaner and ball valve in the rubber parts, plastic parts, metal parts and working medium ( Such as gas) Incompatible. When the working medium is gas, metal parts available petrol ( GB484 - 89). To clean. Non-metallic parts clean with water or alcohol. ( 5) After decomposition of each ball Industrial Valves parts can soak cleaning. Dissolved metal parts can be used to dip a cleaner filaments cloth clean scrub ( In order to avoid fiber loss and adhesion on the parts) 。 When cleaning, should clear all the oil and dirt attached to the wall, glue and dust. ( 6) Decomposition and reassemble the ball valve, must pay attention to the sealing surface to prevent damage to parts, especially the nonmetallic parts. Remove the special tools should be used when the o-ring. ( 8) The new parts should be cleaned before assembly. ( 9) Grease lubrication. Grease should be with the ball valve, rubber parts, plastic parts and metal materials working medium incompatible. When the working medium is gas, can use TE221 grease, etc. Apply a thin layer of grease seal groove surface, rubber seals, apply a thin layer of grease Industrial Valves stem seal face and friction surface with a thin layer of grease. ( 10) Pieces of metal, fiber, fat ( Except for prescribed purposes) , dust and other impurities, foreign bodies, such as not pollution in the process of assembly, adhesion, or stay in the surface of the parts or into the lumen.

resilient seated valve double flanged gate valve processes have been widely used to produce os & y valve fire protection such as resilient gate valve, cast iron valve, and resilient seal gate valve etc.
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