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天然氣鋼瓶閥門（球閥，限流裝置）
Product name: natural gas cylinder valves (with current limiting device)
Model: QF - T7Z
Specification: QF - T7Z
Product introduction: applicable to gas bottle of nominal pressure, nominal size 20 mpa: DN4mm export thread: G5/8 - LH cylinders with connection thread: PZ27.8 safety device temperature or pressure: 33 + 2 mpa, 100 �� to + / - 5 ��
Model: QF - T7Z
Specification: QF - T7Z
Product introduction: applicable to gas bottle of nominal pressure, nominal size 20 mpa: DN4mm export thread: G5/8 - LH cylinders with connection thread: PZ27.8 safety device temperature or pressure: 33 + 2 mpa, 100 �� to + / - 5 ��
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