Description Model 425 is a premium, single-stage, industrial regulator that is an ideal choice for most industrial applications. This regulator incorporates a number of Harris features designed to make it a rugged, long-lasting performer, including an exclusive tamper-proof, self-reseating internal HP safety valve and a neoprene diaphragm. The 425 is also available in a multitude of pressure ranges and for all standard industry gases. Some models are available in clamshell packaging (CS). Features Single-stage industrial regulator with premium features Designed for rugged, long-lasting performance Easy-to-operate brass "T" screw Brass body and bonnet for longer service life Neoprene diaphragm for better pressure control 2.5" Brass dual scale easy-to-read gauges One-piece encapsulated seat design with internal filter to protect the PTFE Teflon seat from particulate contamination UL listed Equipped with a tamper-proof, self-reseating internal safety valve Made in the USA 7 year warranty Specifications General Equipment Adjusting Screw Brass "T" screw Body Brass Bonnet Brass Certification CGA E-4UL listed Cv 0.17 Delivery Pressure Gauge (PSIG) 200 Delivery Pressure Range (PSIG) 0 - 125 Diaphragm Neoprene Duty Heavy Equipped With Tamper proof, self-reseating, internal high-pressure safety valve Gas / Gas Service Carbon Dioxide Gauges 2.5" Brass dual scale (psi/kPa) Inlet Connection CGA 320 Maximum Inlet Pressure (PSIG) 3000 Outlet Connection 9/16" - 18 RH Pressure Regulation PSIG/100 PSIG 0.20 Recommended Items/Accessories Steel Gauge Guard - Red (Fuel) - PN 4300238Steel Gauge Guard - Green (Oxygen) - PN 4300239Adapter - 9/16” – 18 (F) x 5/8" – 18 (F) PN 90000002 Seat PTFE Teflon Supply Pressure Gauge (PSIG) 4000
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