Gastech Low Pressure Gas Regulator (R Series)

Brand Gastech
Model R Series Gas Pressure Regulator
Technical Specifications • Design Pressure: 25 bar (362.5 PSIG)
• Inlet Pressure Range: 0.2 – 25 bar (2.9 – 362.5 PSIG)
• Outlet Pressure Ranges:- BP Model: 10 – 85 mbar (4 – 34 in. w.c.)

– MP Model: 85 – 350 mbar (1.2 – 5.0 PSIG)

– AP Model: 300 – 5000 mbar (5 – 72.5 PSIG)
• Accuracy & Lock-up: AC ≤ 5 / SG ≤ 10
• Operating Temperature: -20°C to +60°C (optional -40°C)
• Gas Type: Natural Gas, Town Gas, LPG, Propane, Butane, Biogas, Air, non-corrosive gases (EN 437 Groups 1, 2, 3)
• Connections: DN25 – DN50 (ANSI / PN Flanged / Threaded)
• Materials:

– Body: Cast Spheroidal Graphite Iron EN GJS 500-7 (option: ASTM A216 WCB)

– Head: Die-cast Aluminium (option: Stainless Steel)

– Diaphragm: Nitrile Rubberized Canvas

– Internals: Brass, Stainless Steel, Nickel-coated seals
• Safety Devices: OPSO & UPSO (Over & Under Pressure Shut-off)
• Compliance: PED 2014/68/EU, EN 334, EN 88-1

Dimensions & Weights Gastech R Series Dimensions
Example Sizes:
• F25/5 AP – DN25 – 18 kg
• F40/5 AP – DN40 – 23 kg
• F50/5 AP – DN50 – 28 kg
(Refer to datasheet for full dimensions & weights)
Key Features & Benefits • High Flow Rate Coefficient – Ensures consistent and reliable gas flow, even under high demand.
• Exceptional Accuracy – Maintains precise outlet pressure regulation across operating ranges.
• Rapid Response Time – Direct-acting design ensures fast reaction to pressure fluctuations.
• Zero Internal Leakage – Prevents gas loss at zero flow, improving safety and efficiency.
• Easy Maintenance – Serviceable without removing regulator from pipework, minimizing downtime.

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