联想式氧气瓶阀
Product name: associative oxygen cylinder valves
Model: QF - 33 b
Specification: QF - 33 b
Product introduction: applicable to oxygen, nitrogen, air, nominal pressure, nominal size 30 Mpa: DN2mm export thread: G5/8 cylinders with connection thread: PZ19.2 safety device temperature or pressure: 21 + / - 1.5 Mpa
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