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隔膜式氧气钢瓶阀门
Product name: diaphragm type oxygen cylinder valves
Models: QF - 21
Specification: QF - 21
Product introduction: applicable to oxygen, nitrogen, air, nominal pressure, nominal size 15 MPa: DN2mm export thread: W21.8 * 1/14 with the cylinder connection thread: GB8335 PZ19.2 safety device temperature or pressure: 21 + / - 1.5 MPa
Models: QF - 21
Specification: QF - 21
Product introduction: applicable to oxygen, nitrogen, air, nominal pressure, nominal size 15 MPa: DN2mm export thread: W21.8 * 1/14 with the cylinder connection thread: GB8335 PZ19.2 safety device temperature or pressure: 21 + / - 1.5 MPa
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