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Instrument and meter
Pneumatic V-shaped regulating (cut-off) ball valve
Pneumatic O-type regulating (cut-off) ball valve
Pneumatic high-pressure O-ring ball valve
Pneumatic insulation O-type regulating (cut-off) ball valve
Electric O-type high-temperature cut-off ball valve
Pneumatic cut-off (regulating) butterfly valve
Successful operation!
