Regulator, Chrome-Plated Brass Barstock, Dual Stage, 4-port configuration, 312 series

The 312 Series regulators are intended for primary pressure control of noncorrosive, high purity or liquefied gases for applications requiring constant pressure control and delivery regardless of supply pressure variations.

Typical applications

• EPA Protocol gases
• Gas and liquid chromatography
• High purity carrier gases
• Zero, span, and calibration gases
• High purity chamber pressurization

Regulator Description:

• 316L stainless steel membrane – smooth surface finish
• Valve body chrome-plated brass
• 10 micron filtration in both stages – fail-safe seat performance
• Internal seals – PTFE
• Maximum Inlet Pressure (3000 PSIG (210 BAR), 3500 PSIG (240 BAR) Optional, 4500 PSIG (310 BAR) Optional
• Temperature range –40°C to 60°C
• Gauges – diameter 2 "(53mm), chrome-plated brass
• Ports – Standard 1/4 "FNPT
• Helium Leak Integrity 1 × 10–8 ml/s
• Weight (312–2331–580) – 1.98 kg

312-ABCD-CON-OP

Each letter/number in the catalog number indicates the selected valve configuration.

• A – Outlet pressure/outlet gauges range
• B – Inlet pressure/inlet gauge range
• C – Outlet fittings, needle or diaphragm valves..
• D – Gauges – different units
• CON – Inlet connections
• OP – Optional Accessories

Please consult with us the correct valve selection.

Catalog sheets of valves can be found at this link https://www.chromservis.eu/…as-detection