Model HP741 is a single-stage, stainless steel cylinder regulator for applications where a slight rise in delivery pressure from full to empty cylinder can be tolerated. The Model HP741 regulator is suitable for corrosive gas applications, high-purity gas applications, research sample systems gases, process analyzer gases, gas chromatography, EPA protocol gases, laser gas systems and emission monitoring systems.

Features

• 1-11/16"- 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
• Chrome-plated brass barstock bonnet, 316L stainless steel barstock body and fittings
• 2” stainless steel dual scale gauges (psi/bar)
• Designed to 1 x 10-9 cc/sec inboard helium leak rate to maintain gas purity levels
• Maximum inlet 3000 PSIG except for models with CGA 240 and 510 equipped with 400 PSIG inlet gauge
• Front or back panel mountable
• Conforms to CGA E-4 standard for gas pressure regulators