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Welding type hard se..

By hard seal mud val..

Flange plate body

Threaded type wafer ..

Welding type wafer b..

KaGuShi wafer body

Flange plate body

Expansion valve body..

Single flow body

Threaded type needle..

Flange cylinder thro..

Stationary throttlin..

Flange needle thrott..

Tight cap

Small four

Small four