It is suitable for high pressure gas cylinders and pressure relief gas supply on both sides, through the automatic changeover to realize continuous gas supply, with the function of purging.

The maximum input pressure of 20.7 Mpa (3000 psi), corrosion, clean workshop assembly test, suitable for laboratory, high purity gas such as gas analysis.

Materials of Construction	Features
Body: stainless steel Seat: PU, PTFE, PCTFE Inlet Connection: 1/4"tube ftting, 1/4"FSR, 1/2"FSR Outlet Connection: 1/4" tube fitting,1/4"FSR Body of Diaphragm Valve: stainless steel	Equipped relief pressure valve Pressure regulato and pipe through the pressure test and leakage test 2"stainless steel pressure gauge, reading clearly The knob of diaphragm valves with on/off logo
Spec fications
Spec fications Max. Inlet Pressure:3000, 2200 psi Max. Outlet Pressure:25, 50, 100, 150, 250 psi Working Temperature: -40°C~ 74°C (-40°F ~165°F) Flow Rate: see flow Curve Chart Pressure Regulator Leakage Rate: 2 X 10-8 atm.cc/sec He Cv: 0.14

Ordering Information

WL300	1	1	1	S	H	1	1	-N2
Series	Function Options	Outlet Connection	Inlet Connection	Body Material	Input Pressure	Outlet Pressure	Gauge	Gas Options
WL300 Series Semi-automatic Changeover Device	1Wih emptying, purging ! distribution function.	1:1/4"NPT(F) 2:14" Tube ftting	1:1/4"Welding	S:stainless steel	H:3000psi	1:25psi		Blank: None
	2.Without Emptying, purging distribution function	2:14" Tube ftting	2:14"NPT(M)		M:2200psi	2:50psi	1:MPa	N2:nitrogen
	3.Emptying, purging distribution+pressure sensor	3:3/8"NPT (F )	3:3/8"Welding	C:nickel plated brass	L.1000psi	3.100psi	2:Bar/psi	O2:oxygen
	4.With pressure sensor	4:3/8" Tube ftting	4:3/8"NPT(M)		O: Other	4.150psi	3.psi/KPa	H2:hydrogen
	5.Others	5:1/2INPT (F)	5:1/2"Welding			5:250psi	4:Other	C2H2:acetylene
		6:1/2"Tube fiting	6:1/2"NPT(M)			6:Other		CH4.methane
		7:Other,	7:1/4"Tube ftting					Arargon
			8:3/8"Tube ftting					He:helium
			9:1/2"Tube fiting					Airair
			10:Other