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U22系列减压器

产品说明

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
• 100% Helium-leak tested

MATERIALS OF CONSTRUCTION


• Wetted
• Body： 316L stainless steel
• Seat： PCTFE*, Vespel®
• Diaphragm： 316L stainless steel
• Poppet： 316 stainless steel
• Remaining Part： 316 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： 20 μin
• Optional Ra (EP)： 10 μin
  
  Internal Volume
  　　22.6 cc

型号参数：

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

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