Prior to Valve Repair / Finished Goods
Disassembly / Sandblasting
Gland Packing Replace
Gasket Packing Replace
Prior to Seat Repair/Seat welding Stellite
After Seat Machining
Plug Before Repair / Plug Welding Stellite
After Plug Machining
Prior to Stem Repair / After Stem Repair後
Gasket Packing Leakage Test
Gland Packing Leakage Test
Large Leakage Before Repair (leakage from the seat)
Small Leakage After Repair (0.01 l/min)
Leakage Pressure 7 kg/cm²
Painting
Instrument Adjust