0 PSI to 125 PSI 2-Stage CGA 320 Brass, 1/4 in. Compression Fitting, Carbon Dioxide Specialty Gas Lab Regulator

Model HP722 is a 2-stage cylinder regulator in brass bar stock for constant delivery pressure from full to near empty cylinder conditions. The Model HP722 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. This specialty gas, lab quality regulator is to be used with carbon dioxide gases.

• 1-11/16 in. 316L stainless steel diaphragm eliminates contamination from diffusion or outgassing
• 1-piece encapsulated seat design includes a sintered filter to protect the seat from particulate contamination
• Brass bar stock bonnet, body and fittings
• 2 in. dual scale brass gauges (psi/bar)
• Designed to 1 x 10-9 cc/second inboard helium leak rate to maintain gas purity levels
• Front or back panel mountable
• Maximum inlet 3000 PSIG except for models with CGA 240, 300 and 510 and equipped with 400 PSIG inlet gauge
• Recommended for non-corrosive gases or purity levels of grade 5.0 (99.999) and higher
• External relief valve standard