China Wet Alarm Valve of Sprinkler System for Fire Fighting Equipment, Find details about China Alarm Check Valve UL FM, 12V LPG Gas Detector Alarm with Shut off Valve from Wet Alarm Valve of Sprinkler System for Fire Fighting Equipment
Model | ZSFZ80 | ZSFZ100 | ZSFZ125 | ZSFZ150 | ZSFZ200 | ZSFZ250 |
Norminial diameter(mm) | 80 | 100 | 125 | 150 | 200 | 250 |
Working pressure(Mpa) | 1.6Mpa | |||||
Sealed test(Mpa) | 3.2Mpa | |||||
Strength test(Mpa) | 6.4Mpa | |||||
Flow rate(L/min) | 15<Q<60 | |||||
Retard alarm time(s) | 5~90 | |||||
Friction resistance(Mpa) | ≤0.035 | |||||
Height of alarm valve(mm) | 250 | 260 | 265 | 270 | 370 | 430 |
Outside diameter of flange(mm) | 200 | 220 | 250 | 285 | 340 | 405 |
Inside diameter of flange screw hole(mm) | 160 | 180 | 210 | 240 | 295 | 355 |
Diameter of screw hole(mm) | 8 | 12 | ||||
Quantity of screw hole | 18 | 22 | 26 |