Harris Nitrogen-HP 722C-250 PSI-CGA 580-BE1 ultra-high purity nickel-plated brass barstock cylinder regulator with 1/4 in. FNPT diaphragm valve, 1/4 in. tube fitting and no relief valve.
Harris Model HP 722C is a nickel-plated brass barstock two-stage cylinder regulator with stainless steel diaphragms for constant delivery pressure from full to near empty cylinder conditions. Model HP 722C is suitable for high-purity gas applications, research sample systems gases, process analyzer gases, gas chromatography, EPA protocol gases, laser gas systems and emission monitoring systems. Recommended for gas purity levels of Grade 5.0 (99.999) and higher. Front or back panel mountable.
Features
- Nickel-plated brass barstock body, bonnet and fittings for longer service life
- 2 in. Chrome-plated brass dual scale easy-to-read gauges (psi/bar)
- Ergonomic ABS plastic knob for easy grip and precise adjustment
- 1-11/16 in. 316L stainless steel diaphragm eliminates contamination from diffusion or outgassing
- One-piece encapsulated seat design with 10 micron sintered internal filter to protect the PTFE Teflon® seat from particulate contamination
- Conforms to CGA E-4 standard for gas pressure regulators
- Maximum inlet 3000 PSIG
- This model has no relief valve, but is equipped with a 1/4 in. FNPT diaphragm valve and 1/4 in. tube fitting
- Designed to 1 x 10-9 cc/sec. inboard helium leak rate to maintain gas purity levels
- Front or back panel mountable using brackets PNs 9100871 (front), 9101242 (back)
