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HP721
Cylinder regulator
HP721

HP721

Model HP 721-125-580-ADR Model HP 721 is a single stage cylinder regulator available in brass (HP 721) or chrome plated brass (HP 721C) barstock for pressure control of non corrosive gases when pressure rise is not critical.

Body/Bonnet
Brass Barstock
Diaphragm
316L Stainless Steel
Nozzle
Brass
Seat
PTFE Teflon

Features

  • 1-11/16” 316L stainless steel diaphragm eliminates contamiOne piece encapsulated seat design includes a sintered fil2” dual scale brass gauges (psi/bar)
  • Maximum inlet 3000 PSIG except for models with CGA 300
  • External relief valve standard

Materials

Body/BonnetBrass Barstock
Diaphragm316L Stainless Steel
NozzleBrass
SeatPTFE Teflon
SealsPTFE Teflon
FilterNickel-Plated Sintered Bronze - Micron
Seat Return SpringPH17-7 Stainless Steel
Adjusting KnobABS Plastic

Applications & Documents

High purity gas applicationsResearch sample systems gasesProcess analyzer gasesGas chromatographyEPA protocol gasesLaser gas systemsEmission monitoring systems
65 Existing part numbers
  • HP721-015-000
  • HP721-015-001
  • HP721-015-280
  • HP721-015-296
  • HP721-015-300
  • HP721-015-320
  • HP721-015-326
  • HP721-015-346
  • HP721-015-350
  • HP721-015-500
  • HP721-015-510
  • HP721-015-540
  • HP721-015-580
  • HP721-015-590
  • HP721-050-000
  • HP721-050-001
  • HP721-050-280
  • HP721-050-296
  • HP721-050-320
  • HP721-050-326
  • HP721-050-346
  • HP721-050-350
  • HP721-050-500
  • HP721-050-510
  • HP721-050-540
  • HP721-050-580
  • HP721-050-590
  • HP721-125-000
  • HP721-125-001
  • HP721-125-280
  • HP721-125-296
  • HP721-125-320
  • HP721-125-326
  • HP721-125-346
  • HP721-125-350
  • HP721-125-500
  • HP721-125-510P
  • HP721-125-540
  • HP721-125-580
  • HP721-125-590
  • HP721-250-000
  • HP721-250-001
  • HP721-250-280
  • HP721-250-296
  • HP721-250-320
  • HP721-250-326
  • HP721-250-346
  • HP721-250-350
  • HP721-250-500
  • HP721-250-540
  • HP721-250-580
  • HP721-250-590
  • HP721-500-000
  • HP721-500-001
  • HP721-500-280
  • HP721-500-296
  • HP721-500-320
  • HP721-500-326
  • HP721-500-346
  • HP721-500-350
  • HP721-500-500
  • HP721-500-540
  • HP721-500-580
  • HP721-500-590
  • HUS-HP721-500-000-D
Ordering

Configure your order

Select the variables exactly as they appear in the manufacturer datasheet. The full part number is assembled automatically.

1

Delivery pressure

single select · 5 values

Delivery pressure range; the value in parentheses is the supplied outlet gauge range.source: DELIVERY

2

Inlet connection

single select · 11 values

CGA code of the inlet connection, or thread / tube fitting.source: CGA/INLET FITTING

3

Accessory

single select · 8 values

Accessory mounted on the regulator outlet.source: CGA/INLET FITTING

4

Options

multi select · 5 values

Add-ons and test certificates — multiple choices allowed.source: ACCESSORIES

Order part number
HUS-HP721

Select variables

1

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