適用介質：Q 81F-（6-25)C 水、油品、氣 

                Q81F-（6-25)P 硝酸類 

Nominal pressure:PN0.6,1.0,1.6,2.0,2.5MPa 
Strength testing pressure:PT0.9,1.5,2.4,3.0,3.8MPa 
Seat testing pressure(low pressure):0.6MPa 
Applicsble temperature:-29~150°C 

Applicsble media:Q81F-（6-25)CWater.Oil. Gas

                         Q81F-（6-25)P Nitric acid