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GENTEC U22 series single-stage regulators are purge gas, pressure reducing regulators. Applicable to gas system for non-corrosive, corrosive, and toxic gases.Our metal-to-metal diaphragm to body seal is designed to minimize leakage and to provide excellent accuracy and longevity.

Features

316L stainless steel body
Metal to metal diaphragm to body seal
Easy front panel and rear bracket mounting
Gauge ports are standard with 1/4” face seal male. Internal 1/4” face seal female is also available
Fully internal electropolished
Cleaned, assembled and packaged for high purity semiconductor applications
High-cycle life
99% Helium-leak tested

Materials of Construction

Wetted
Body		316L stainless steel
Seat		PCTFE*, Vespel^®
Diaphragm		316L stainless steel
Poppet		316L stainless steel
Remaining Part		316L stainless steel
Non-wetted
Nut		316 stainless steel
Cap		nickel plated brass
Knob		ABS Plastic
Operating Conditions
Maximum Inlet Pressure		500 psig (35 barg), 3000 psig (206 barg)
Outlet Pressure		0-25 psig (1.7 barg), 0-50 psig (3 barg), 0-100 psig (7 barg), 0-150 psig (10 barg), 0-250 psig (17 barg)
Temperature		-40°F to 165°F (-40°C to 74°C)
Functional Performance
Flow Capacity		Cv=1.1
Maximum Leak Rate:
Inboard Leakage		2 x 10^-8 atm cc/sec He
Outboard Leakage		2 x 10^-9 atm cc/sec He
Across Seat Leakage		4 x 10^-8 atm cc/sec He
Proof Pressure		150% of maximum rated pressure
Burst Pressure		400% of maximum rated pressure
Surface Finish
Standard Ra		20µin.
Optional Ra (EP)		10 μin
Internal Volume		22.6cc

Dimensions

Flow Charts

型號參數(shù)：

Series	Body	Ports	Seat	Inlet Pressure	Outlet Pressure	Gauge	Inlet/Outlet Connections	Options
U22	SL: 316L	A: 2 port	K: PCTFE	D: 3000psig	G: 0-250psig	P: with gauge	95: FSR(1/2"F)	E: 10 μin
	H: Hastelloy®	B: 3 port	V: Vespel®	F: 500psig	H: 0-150psig	W: without gauge	96: FSR(1/2"M)	P: Panel mounting
		G: 4 port			I: 0-100psig		43: 1/2" tube weld stub	I: Internal 1/4" FSR(F) gauge ports
		J: 4 port			K: 0-50 psig			T: Trim Hastelloy® internal
		M: 5 port			L: 0-25 psig