軸耦合氧氣瓶閥

Product name: shaft coupling oxygen cylinder valves
Models: QF - 7 d1
Specification: QF - 7 d1
Product introduction: applicable to oxygen, nitrogen, air, nominal pressure, nominal size 15 mpa: DN4mm export thread: internal thread G5/8 cylinders with connection thread: GB8335 PZ27.8 safety device temperature or pressure: no
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