... Double actingSize: 1/4",1/2",3/4",1",1 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmSpecial function:Position indicator;quick opensignal feedback ... End:BSP(British Standard)&NPT(ASSI) ThreadWorking pressure: 1.0Mpa/10bar/150psiWorking Medium:Pure water,water,50% glycol ... ,avoid gear with switch.4.Excellent sealing performance what sealing class is IP655.Float ball structure,no leakage,especially suitable ...