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减压器u21系列-ag凯发k8国际

描述:gentec u21 series single-stage regulators are hand adjustable, pressure reducing regulators for applications ranging from non-corrosive, corrosive, and toxic gases. our metal-to-metal diaphragm to bo

更新时间:2023-05-13
产品型号:u21系列
厂商性质:生产厂家
详情介绍

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
  • 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),
0-250 psig (17 barg), 0-500 psig (35 barg)
temperature -40°f to 165°f (-40°c to 74°c)
functional performance
flow capacity cv=0.14
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 4.6cc

dimensions
flow charts

 

 
型号参数:
series body ports seat inlet pressure outlet pressure gauge inlet/outlet connections options
u21 sl: 316l a: 2 port k: pctfe* d: 3000psig f: 0-500psig p: with gauge 91: fsr(1/4"f) e: 10 μin
    b: 3 port v: vespel® f: 500psig g: 0-250psig w: without gauge 92: fsr(1/4"m) p: panel mounting
    g: 4 port     i: 0-100psig   41: 1/4" tube weld stub i: internal 1/4" fsr(f) gauge ports
    j: 4 port     k: 0-50 psig      
    m: 5 port     l: 0-25 psig    
 

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