Eight steps to make the pneumatic valve seat sealing performance different 3)

the pneumatic valve seat sealing performance different eight important steps. Stellite face hardening pneumatic seat automatically seal welding. Pneumatic valve seat seal welding underwater gas test. Pneumatic valve seat surface extension again after seal welding. Instrumentation and gasket is used to test the final pneumatic seat Angle, to determine the ideal wedge Angle. Fine grinding of pneumatic valve seat surface to match the corresponding wedge Angle. Wedge lap of pneumatic valve seat surface. Allocation of the ideal match wedge, placing and receiving appropriate aerodynamic body. After the assembly, the pneumatic valve shell, pneumatic seat, packing and seat for zero leakage pressure test. Keywords:
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