Ta Chen True Port Sanitary Ball Valve Repair kits are just what you need to keep your TC-3000TC Ta Chen Ball Valves leak free. This Ta Chen Ball Valve Repair Kit includes the OEM seats, seals, thrust washer, and stem packing that were included with your valve when it was brand new. Optional components may also be available if needed (ball, stem, handle, etc.).When you are repairing your TC3000TC Ball Valves you can make the choice to upgrade to the Molecular Enhanced PTFE Seats and Seals (ME-PTFE) which have been engineered for superior performance versus traditional virgin PTFE. The main benefit of ME-PTFE is the increased wear resistance, which leads to a much longer service life for your valve seats.Rebuilding Warning - Ball Valves Can Trap Fluids in the balls cavity when closed. If the valve has been used to control hazardous media, it must be decontaminated before disassembly. It is recommended that the following steps are taken for safe removal and disassembly:- Relieve the line pressure.- Place the valve in half-open position and flush the line to remove any hazardous material from valve.- All persons involved in the removal and disassembly of the valve should wear protective clothing such as face shield, gloves, apron, etc.- Exercise caution that sealing and all surfaces are not damaged during disassembly, cleaning, or reassembly.- Before removing valve from line, rotate ball into the open position.- Remove body bolts and disassemble from line, allowing sufficient pipe end clearance for center section removal.- Remove body end seals from pipe ends.- Rotate ball into the closed position.- Remove seats and ball.- If it is necessary to replace stem packing, remove handle nut, handle, stopper, stem nut, concave washer and ring.- Lower stem into body cavity, Remove stem packing and thrust washer.
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