HP 741
HP 742
HP 743
HP 721
HP 722
HP 723
HPI 100C
HPI 120C
HPI 500LC
HPI 300
HPI 600
HP 701
HPI 100L
HPI 300L
HPI 600L
HPI 400L
GP 401
GP 402
GP 403
GP 404
GP 405
8700
HP 750        
   
 
   
 
A two stage cylinder regulator available in brass (HP 722) or
chrome plated brass (HP 722C) barstock for constant delivery pressure from full to near empty cylinder conditions.
The HP 722 is suitable for:
  • High purity gas applications
  • Research sample systems gases
  • Process analyzers gases
  • Gas chromatography gases
  • EPA protocol mix gases
  • Laser gas systems
  • Emission monitoring systems gases

Recommended for gas purity levels of Grade 5.0 (99.999)
and higher.

MATERIALS  
Body Brass Barstock (HP 722)
Bonnet Brass Barstock (HP 722)
Diaphragm 316L Stainless Steel
Nozzle Brass
Seat PTFE Teflon
Seals PTFE Teflon
Filter Nickel-Plated Sintered Bronze - 10 Micron
Seat Return Spring PH17-7 Stainless Steel
Adjusting Knob ABS Plastic


FEATURES

  • 1-11/16 316L stainless steel diaphragm eliminates contamination from diffusion or outgassing
  • One piece encapsulated seat design includes a sintered
    filter to protect the seat from particulate contamination
  • 2 dual scale gauges (psi/bar)
  • 1 x 10-9 cc/sec. inboard helium leak rate maintains gas
    purity levels
  • Front panel mountable
  • Maximum inlet 3000 PSIG except for CGA 300 and 510
    models which have a maximum inlet of 500 PSIG
  • External relief valve standard

Related Options
Captured Vent Kit P/N: 9100875
Front Panel Mount Kit P/N: 9100871

   
  ORDERING INFORMATION
 
HP_ _ _ - xxx - xxx - xx - xxxxx
MODEL
NUMBER
DELIVERY PRESSURE
DELIVERY (OUTLET GAUGE)
CGA INLET OUTLET FITTING ASSEMBLY/OPTIONS
HP 722 0-15 psi (30 Hg Vac-30 psi/2 bar)
0-50 psi (30 Hg Vac-100 psi/7 bar)
0-125 psi (30 Hg Vac-200 psi/14 bar)
0-250 psi (400 psi/28 bar)
0-500 psi (1000 psi/70 bar)
300, 510
320, 540
326, 580
346, 590
350
000 (1/4 FNPT)
001 (1/4 MNPT)
A) Needle Valve (M) 1/4
B) Diaph. Valve (F) 1/4
C) 1/4 MNPT
D) 1/4 FNPT port
E) 1/4 Tube Fitting
F) 1/8 Tube Fitting
1) Without Relief Valve
2) He Leak Cert. (Inboard)
3) No Gauges
5) He Leak Cert.(Outboard)