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    ISO9001-2008 quality system certification, "TS" certification for special equipment manufacturing license of the State Administration of Quality, Technology, Inspection and Quarantine.
| model | QF-11 | 
| product name | Needle form ammonia cylinder valve | 
| Applicable medium | Ammonia | 
| Nominal working pressure MPa | 2.9 | 
| Nominal diameter mm | 6 | 
| Export thread mm | G1/2 | 
| Connect the thread with the gas cylinder mm | GB8335, PZ27.8 | 
| Safety device temperature or pressure MPa | no | 



