Powerflo Solutions

Engineered Control Valves, Safety Devices & Process Instrumentation

Pilot Operated - Safety Relief Valves - AS1271

• Suitable for the overpressure protection of many pressurised systems and vessels in the chemical, petrochemical, paper mill, oil and gas production and transmission industries
• Modulating or pop action pilot
• Non-flowing modular design
• Designed for liquid, gas and vapour service
• Meets AS1271 Class A, approved to ASME Code Section VIII
• All stainless steel pilot with carbon steel main valve
• Optional stainless steel main valve or special alloys
• Sizes 25mm to 250mm flanged, ratings ANSI Class 150# to 1500#
• Orifice sizes ‘D’ through ‘T’ plus 40 to 250mm full bore
• Temp. range -40°C to 262°C
• Set pressure range 100 kPag to 25,862 kPag
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