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74LP/74VP/78LP Series Pilot Operated Pressure Relief Valve
Brand: Trillium Flow Technologieshe Sarasin-RSBD® 74 Series Pilot Operated Pressure Relief Valve provides the capability for the protection of storage vessels, tanks, and piping systems under low pressure and vacuum conditions.
The Sarasin-RSBD® 74VP, 74LP, & 78LP Series Pilot Operated Pressure Relief Valves are autonomous units and therefore they do not need an external source of power to operate.
Pilot operated pressure relief valves are most effectively used within liquefied natural gas and floating liquefied natural gas industries.
The valves are also effective in processes involving petrochemical refinement and the power industry.
The Sarasin-RSBD® pressure relief valves are designed to provide excellent operational performance and repeatability by their use of precision machined internal components and high integrity soft goods.
Features- Diaphragm or piston technology selected to provide the best option for the process application
- Capacity tested by the US National Board and carrying the ASME UV code stamp
- Available in either flanged configuration or with ISO or UNC threaded inlet connections
- Pop or modulating action pilot
- Excelling in cryogenic applications
- Externally adjustable blowdown
- Balanced against back pressure
- High degree of seat tightness
Specifications
Design Rating
- ASME & API Class 150 to 300
Size
- 74VP & 74LP Series: 2” x 3” - 14” x 18”
- 78 Series: 2” x 3” - 6” x 8”
Temperature Range
- -196° to 200° C (-320° to 392° F)
Seat Tightness
- 95%
Pressure Range
- 15 (6 wc) to 250 (100 wc) mbar Standard
- 70 mbar (28 wc) to 2 bar (29 psig) Standard & Cryogenic
Material of Construction
- Carbon Steel
- Austenitic Stainless Steel
- Tank & Vessel Protection
- Industrial Gas (Cryogenics)