A One-way Valve
QYD/17.2
A one-way valve of a flow pipe of a fire extinguishing agent is arranged between the collecting pipe and the metal hose for controlling fire extinguishing one way flow of the agent, from the metal hose to the flow tube.
2 Technical Parameter
Model
Nominal working pressure
Nominal diameter
Outlet thread
Inlet thread sealing method
Open pressure
QYD16/17.2
17.2Mpa
16mm
R1‘’
M27*1.5
Taper seal
0.1MPa
QYD32/5.3
5.3MPa
32mm
Rc1¼‘’
M48*2
0.1MPa
QYD40/5.3
5.3MPa
40mm
Rc1½‘’
M60*2
Plane seal
0.1MPa
Taper seal
