CW617 Brass Ball Valve For Water

CW617 Brass Ball Valve Material 

Ball valve is mainly used to cut off or connect the medium in the pipeline, can also be used for fluid regulation and control, including hard sealed V-ball valve V-core and surfacing cemented carbide metal seat between the strong shear force, especially suitable for containing fiber, small solid particles and other media.

Ball valve is itself compact structure, reliable sealing, simple structure, convenient maintenance, sealing surface and the sphere is often in a closed state, not easy to be washed away by the medium, easy to operate and maintain, suitable for water, solvent, acid and natural gas and other general working medium, but also suitable for poor working conditions of the medium, such as oxygen, hydrogen peroxide, methane and ethylene, etc., has been widely used in various industries. Ball valve body can be integral, can also be combined.

Maintenance Precautions：

Ball valve in the closed state, there is still pressure inside the valve body fluid

Release line pressure and leave ball valve in open position prior to repair

Disconnect the power or air supply before maintenance

Detach the actuator from the support before maintenance

It is necessary to confirm that the pressure has been removed from the upper and downstream pipe of the ball valve before disassembly and decomposition operation

During decomposition and reassembly, care must be taken to prevent damage to the sealing surface of parts, especially non-metallic parts. When taking out O-ring, use special tools

The bolts on the flange must be tightened symmetrically, gradually and evenly during assembly

The cleaning agent must be compatible with the rubber parts, plastic parts, metal parts and working media (such as gas) in the ball valve. When the working medium is gas, gasoline (GB484-89) can be used to clean metal parts. Non-metallic parts are cleaned with pure water or alcohol

The broken down individual parts can be cleaned by dipping. The metal parts that have not decomposed down can be scrubbed with clean, fine and clean silk cloth impregnated with cleaning agent (to avoid the fiber falling off and adhering to the parts). When cleaning, all grease, dirt, adhesive, dust and so on adhering to the wall must be removed

Non-metallic parts should be removed from the cleaning agent immediately after cleaning, not long time soaking

After cleaning, it is necessary to be assembled after the volatilization of cleaning agent on the washed wall (the silk cloth can be wiped without immersion cleaning agent), but it shall not be used for a long time, otherwise it will rust and be polluted by dust

New parts also need to be cleaned before assembly

Use grease for lubrication. Grease should be compatible with ball valve metal materials, rubber parts, plastic parts and working media. When the working medium is gas, such as special 221 grease can be used. Apply a thin layer of grease to the surface of the seal mounting tank, a thin layer of grease to the rubber seal, and a thin layer of grease to the sealing surface and friction surface of the valve stem

During assembly, metal debris, fibers, grease (except those prescribed for use), dust, other impurities and foreign bodies shall not be allowed to pollute, adhere to or stay on the surface of the parts or enter the inner cavity

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