With piston oxygenpressuregauge, pressuregauge calibration must adopt isolation tank and water will do spacer piston pressuregauge of oil isolation, make water into oxygen table.
用活塞压力计校验氧压力表时，必需采用隔离罐，用水做隔离液将活塞压力计的油隔离，使水进入氧气表中。
2
Metallurgical oxygen system pipe system, should use strict degreasing treatment, needle valve flange J29 Angle PressureGauge valve connection.
冶金系统中的氧气管路系统中，宜选用经过严格脱脂处理，法兰连接的针型阀。
3
These gauges are designed for measuring the pressure of medium Oxygen, Acetylene, CO2 and Argon. The Oxygen gauge must not touch oil.