Harris HP702 CGA 580 Nitrogen, Argon and Helium Regulator
The Harris HP702 is a two-stage high purity regulator with a CGA 580 inlet for inert gases: nitrogen, argon and helium. Harris rates the HP702 for high purity gases up to grade 5.0, and its stainless diaphragm means no neoprene in the gas path. It is listed in our General Purpose Regulators.
Gas service: CGA 580
CGA 580 is the most common laboratory cylinder connection. It fits nitrogen, argon and helium cylinders, as well as the rare gases krypton, neon and xenon, at cylinder pressures up to 3000 psig. Higher-pressure cylinders use different connections (for example CGA 680 or 677), so check the valve before you order.
The Harris HP702 is well suited to GC carrier gas up to grade 5.0, pressure testing, purging and incubator use.
Specifications
- Two-stage design, chrome-plated brass body (Harris now builds the HP702 in nickel-plated brass)
- 2-1/8″ 302 stainless steel diaphragm, no neoprene diaphragms
- PTFE seat and seals; seat protected by a 10 micron sintered inlet filter
- External relief valve, standard on the HP702
- Inboard helium leak rate 1×10-8 cc/sec
- 2″ dual-scale gauges
- Outlet pressure: selectable 0-15, 0-50, 0-125 or 0-250 psig (choose above); the 0-125 psig range has a 30″Hg vacuum to 200 psi outlet gauge
- Maximum inlet pressure 3000 psig
- Flow coefficient Cv 0.15; delivery changes only about 0.04 psig per 100 psig drop in cylinder pressure
- Purity: high purity up to grade 5.0 (99.999%)
- Outlet: pipe thread outlet fitting with 1/4″ MNPT needle valve
Typical applications
- Gas chromatography carrier and detector gases up to grade 5.0
- Purging, pressure testing and blanketing
- CO2 incubators and general laboratory gas supply
What’s included
- Harris HP702 two-stage regulator with CGA 580 inlet
- 2″ dual-scale inlet and delivery gauges
- Outlet valve included in purchase: 1/4″ MNPT needle valve
Other ranges and models
Choose your outlet pressure from the Outlet Pressure dropdown above: 0-15, 0-50, 0-125 or 0-250 psig. The 0-125 psig range covers most laboratory delivery pressures. Need a different range? Contact us for a quote.
Compare the same CGA 580 connection in other Harris series:
- Harris GP402 (economy, up to grade 4.0), CGA 580
- Harris HP722C (ultra high purity, grade 5.0), CGA 580
- Harris HP742 (316L stainless, grade 6.0 and corrosives), CGA 580
Not sure this is the right regulator? Read our Regulator Buying Guide, check the CGA Charts, or call 1-888-641-2267 and our team will match the regulator to your application.
