904 – High Purity single stage gas Regulator

Model 904 is a chrome plated single stage cylinder regulator with a stainless steel diaphragm for general purposes application where high purity gas is required. The 904 can be used when a slight pressure rise from full to empty cylinder can be tolerated. 

APPLICATIONS:

• Non-corrosive gases
• Purging
• Pressure testing
• Blanketing

FEATURES:

• Recommended purity levels of grade up to 5.0 (99.999%)
• External safety relief valve with 1/4” NPT female thread for external release hose connection
• 302 stainless steel diaphragm eliminates contamination from diffusion or outgassing
• One piece encapsulated seat design includes a sintered filter to protect the seat from particulate contamination
• Forged brass body fully chromed
• Chrome plated bonnet and fittings
• Capsule seat with Kel-F (CTFE) sealing surface
• Maximum inlet pressure 300 bar (4350 psig)