Skip to main content
GPTech
HP722
Cylinder regulator
HP722

HP722

Model HP 742-125-580-ADR Model HP 722 is 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.

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

Features

  • 1 11/16” 316L stainless steel diaphragm eliminates contamiOne piece encapsulated seat design includes a sintered fil2” dual scale brass gauges (psi/bar)
  • Designed to 1 x 10-9 cc/sec. inboard helium leak rate to
  • Front and rear panel mountable
  • 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
64 Existing part numbers
  • HP722-015-000
  • HP722-015-001
  • HP722-015-280
  • HP722-015-296
  • HP722-015-300
  • HP722-015-320
  • HP722-015-326
  • HP722-015-346
  • HP722-015-350
  • HP722-015-500
  • HP722-015-510
  • HP722-015-540
  • HP722-015-580
  • HP722-015-590
  • HP722-050-000
  • HP722-050-001
  • HP722-050-280
  • HP722-050-296
  • HP722-050-320
  • HP722-050-326
  • HP722-050-346
  • HP722-050-350
  • HP722-050-500
  • HP722-050-510
  • HP722-050-540
  • HP722-050-580
  • HP722-050-590
  • HP722-125-000
  • HP722-125-001
  • HP722-125-280
  • HP722-125-296
  • HP722-125-320
  • HP722-125-326
  • HP722-125-346
  • HP722-125-350
  • HP722-125-500
  • HP722-125-510
  • HP722-125-540
  • HP722-125-580
  • HP722-125-590
  • HP722-250-000
  • HP722-250-001
  • HP722-250-280
  • HP722-250-296
  • HP722-250-320
  • HP722-250-326
  • HP722-250-346
  • HP722-250-350
  • HP722-250-500
  • HP722-250-540
  • HP722-250-580
  • HP722-250-590
  • HP722-500-000
  • HP722-500-001
  • HP722-500-280
  • HP722-500-296
  • HP722-500-320
  • HP722-500-326
  • HP722-500-346
  • HP722-500-350
  • HP722-500-500
  • HP722-500-540
  • HP722-500-580
  • HP722-500-590
Full datasheet
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 · 6 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 · 4 values

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

Order part number
HUS-HP722

Select variables

1

More from this category

Products byHarris

Why GPTech

Since 2000

Multidisciplinary expertise in gas and advanced piping systems.

UHP grade

Products for ultra-high-purity clean-gas systems.

Engineering support

From product selection to installation and maintenance.

Fast response

Professional quotes quickly — via RFQ or WhatsApp.

Applications

We serve hundreds of customers across diverse industrial segments.

Metal factories
Pharmaceuticals
Microelectronics
Hospitals
Research labs
General industry

Need a quote?

Talk to our engineer and get a fast, professional response.

Request a quoteWhatsApp