The Sarasin-RSBD® 9 Series is a compact Spring Loaded Pressure Relief Valve offering a versatile design with premium performance. The Sarasin-RSBD® 9 Series range of Spring Loaded Pressure Relief Valves are available in both conventional and balanced bellows designs. These compact spring loaded safety relief valves can be used in vapor, gas, liquid, or steam applications.
The Sarasin-RSBD® safety relief valves are designed to provide high integrity performance and repeatability by their use of an integral full, one-piece nozzle, a self-aligning top-guided disc & disc-holder, and a single adjusting ring for blowdown setting. The 9 Series pressure relief valves are suitable for use within the power industry as well as for cryogenic and industrial gas processes.
KEY FEATURES & BENEFITS
An extensive range of material options and trim designs for varying process applications
Full nozzle offering protection of the valve body during its operating cycle
Conversion of trim designs using a minimum of components
Resilient seat design for maximum seat tightness and to prevent fugitive fluid emissions
Flow capacity tested by the US National Board and carrying the ASME UV code stamp
Threaded or flanged end connections
Block forged body design for high pressure & severe service applications
Suitability for NACE MR-01-75 & ISO 15156 and cryogenic applications
Thermal expansion process duties
SIZE RANGE & DIMENSIONS
15 – 40mm (0.5 – 1.5 inches)
Metal seats 90% Soft seats 93%
-270ºC – 400ºC (-454°F – 752°F)
Austenitic & Martensitic Stainless Steels
Duplex & Super-duplex Alloys
Alloy 254 (6Mo)
Alloys B & C
Alloys 625 & 825
Oil & Gas Upstream (E & P)
Midstream (LNG) and downstream (refining)
Oil & Gas pipelines & compression stations
Chemical & petrochemical production
Industrial gas (cryogenics)
Conventional and nuclear power plants
LNG & FLNG
ASME BPVC Section VIII
API Std 520
EAC TR CU 10/12/32
ASME & API Class 150 to 2500 plus API Class 5000 & 10000 (customized)
ASME Section III (St. Victoret Plant)
Individually calculated and selected for each process application
UPGRADES & ADAPTATIONS
Forged block body
Integral flange & bolted bonnet design specific for Shell DEP standards
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