Model HP 721C
Model HP 721C ultra high-purity single-stage regulator for gas purity levels up to grade 5.0.
Model
Select Model
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HP 721-300-000
Non-Corrosive-HP 721-300 PSI-CGA 000 ultra-high purity brass barstock cylinder regulator with external relief valve
3000941
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HP 721-300-000 SPEC
Non-Corrosive-HP 721-300 PSI-CGA 000 SPEC ultra-high purity brass barstock cylinder regulator with external relief valve
3000942
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HP 721-050-510P-B-1-6 60PSI GAUGE
LPG-HP 721-050 PSI-CGA 510P-B-1-6 60PSI GAUGE ultra-high purity brass barstock cylinder regulator with 1/4 in. FNPT diaphragm valve, no relief valve and 60 PSI inlet gauge
3002259
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HP 721C-015-580-BE
Inert-HP 721C-015 PSI-CGA 580-BE ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT diaphragm valve, 1/4 in. tube fitting and external relief valve
721C015580BE
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HP 721C-125-580-BER
Inert-HP 721C-125 PSI-CGA 580-BER ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT diaphragm valve, 1/4 in. tube fitting, SG 910 EZ brass regulator mounting station 1 cyl. 36 in. pigtail and external relief valve
721C125580BER
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HP 721C-050-000-D
Non-Corrosive-HP 721C-050 PSI-CGA 000-D ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT port and external relief valve
721C050000D
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HP 721C-125-000-D
Non-Corrosive-HP 721C-125 PSI-CGA 000-D ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT port and external relief valve
721C125000D
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HP 721C-125-580-D
Inert-HP 721C-125 PSI-CGA 580-D ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT port and external relief valve
721C125580D
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HP 721C-500-000-D
Non-Corrosive-HP 721C-500 PSI-CGA 000-D ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT port and external relief valve
721C500000D
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HP 721-600-350-E
Hydrogen-Methane-HP 721-600PSI-CGA 350-E ultra-high purity brass barstock cylinder regulator with 1/4 in. tube fitting and external relief valve
721600350E
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HP 721C-050-590-A
Industrial Air-HP 721C-050 PSI-CGA 590-A ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. MNPT needle valve and external relief valve
721C050590A
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HP 721C-125-540-D
Oxygen-Non-Corrosive-HP 721C-125 PSI-CGA 540-D ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT port and external relief valve
721C125540D
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CONFIGURED PRODUCTS - Harris provides custom configurations to meet your specifications. Call the Specialty Gas team: (800) 733-4043 Opt. 2
Model HP 721C is a stainless-steel diaphragm single-stage cylinder regulator for pressure control of non-corrosive gases when pressure rise is not critical. Model HP 721C is available in nickel-plated brass bar stock with various delivery pressures, CGA/inlet fittings, accessories and other options for a customized regulator to meet specific requirements.
Features
- 1-11/16 in. - 316L stainless steel diaphragm eliminates contamination from diffusion or out-gassing
- One-piece encapsulated seat design with 10 micron sintered internal filter to protect the PTFE Teflon® seat from particulate contamination
- 2.5 in. dual scale gauges (psi/bar)
- Ergonomic ABS plastic knob for improved grip
- Nickel-plated brass bar stock body, bonnet and fittings for years of dependable service
- Maximum inlet 3000 PSIG, except for CGA 300 and 510 models that are equipped with a 400 PSIG inlet gauge.
- Designed to 1 x 10-9 cc/sec inboard helium leak rate to maintain gas purity levels
- Equipped with an external relief valve
- Front or back panel mountable
Typical Applications
- High-purity gas, research sample system gas and process analyzer gases applications
- Gas chromatography
- EPA protocol gases
- Laser gas systems
- Emission monitoring systems