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天然氣鋼瓶閥門（球閥，限流裝置）

Product name: natural gas cylinder valves (ball valve, with current limiting device)
Model: QF - T1Z2
Specification: QF - T1Z2
Product introduction: applicable to gas bottle of nominal pressure, nominal size 20 mpa:

DN4mm export thread: internal thread - M12 x 1 and 2 cylinders connecting thread: GB8335

PZ27.8 safety device temperature or pressure: 33 + 2 mpa, 100 �� to + / - 5 ��