Concoa 422 and 402 series single-stage regulators are intended for primary pressure control of ultra-high purity and corrosive gases in applications where minor fluctuations in outlet pressure due to diminishing inlet supply can be tolerated. Our single-stage regulators feature needle valves and 1/4″ NPT outlets.

402 Brass Single-Stage Regulators

422 Stainless Steel 316 Single-Stage Regulators

Advantages

• Capsule seat (Increased serviceability and life)
• Custom CGA fittings and pressure ranges available.
• Metal to metal diaphragm seal (No possibility of gas contamination)
• Orientable captured vent capable (Safety in any installation)
• Low wetted surface area (Minimal purge requirements)
• Filed-adjustable pressure limit (Safeguard downstream equipment)
• Pipe away relief valve (Safely vents exhaust gases)
• Front and rear panel mountable (Versatile system configuration)

Materials

• Series 422 Single-Stage 316L Stainless steel Barstock Body
• Series 402 Single-Stage Brass Stainless steel Barstock Body
• Chrome Plated Brass Barstock Bonnet
• PTFE Seat
• 10 micron stainless steel multi-layer mesh filter
• 316L Stainless Steel Diaphragm
• PTFE Internal Seals

Specifications

• Maximum Inlet Pressure: 4000 PSI
• Temperature Range: -40°F to 140°F (-40°C to 60°C)
• Gauges: 2″ diameter stainless steel
• Ports: 1/4″ NPT
• Helium Leak Integrity: 1 x 10^-9 scc/sec
• Cv: 0.1
• Weight: ~3.8lbs (1.73kg)