Sarasin-RSBD® Valves
- 9 Series Pressure Relief Valve
- Starflow (P Series) Pressure Relief Valve
- Starflow-V (PV Series) Pressure Relief Valve
- Starsteam (V Series) Safety Valve
9 Series Pressure Relief Valve
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)
SEAT TIGHTNESS
- Metal seats 90% Soft seats 93%
TEMPERATURE RANGE
- -270ºC – 400ºC (-454°F – 752°F)
MATERIALS
- Carbon steel
- Austenitic & Martensitic Stainless Steels
- Duplex & Super-duplex Alloys
- Alloy 254 (6Mo)
- Alloy 400
- Alloys B & C
- Alloys 625 & 825
APPLICATIONS
- 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
DESIGN STANDARDS
- ASME BPVC Section VIII
- API Std 520
- ISO 4126
- PED 2014/68/UE
- ATEX 94/9/EC
- EAC TR CU 10/12/32
- SELO TS
- RCCM Codes
DESIGN RATINGS
- ASME & API Class 150 to 2500 plus API Class 5000 & 10000 (customized)
- ASME Section III (St. Victoret Plant)
CAPACITY
- Individually calculated and selected for each process application
UPGRADES & ADAPTATIONS
- Forged block body
- Limit switch
- Integral flange & bolted bonnet design specific for Shell DEP standards
Starflow (P Series) Pressure Relief Valve
The Sarasin-RSBD® Starflow Spring Loaded Pressure Relief Valve is designed using the concepts of safety, high performance, interchangeability, and simplicity for oil and gas applications.
The Starflow range of Spring Loaded Pressure Relief Valves are available in both conventional and balanced bellows designs.
These Sarasin-RSBD® safety relief valves feature a wide range of material options and trim designs to meet the demands of many processes and applications.
Starflow spring loaded pressure safety valves can be used in vapor, gas, liquid, or steam applications in the oil and gas industry as well as cryogenics. The 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.
KEY FEATURES & BENEFITS
- An extensive range of material options and trim designs for varying process applications
- 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
- API Standard 526 compliant (sizes up to 8 inches)
- Block forged body design for high pressure & severe service applications
- Suitability for NACE MR-01-75 / ISO 15156 and cryogenic applications
SIZE RANGE & DIMENSIONS
- 15 – 400mm (1 – 16 inches)
TEMPERATURE RANGE
- -196°C – 538°C (-320°F – 1000°F)
MATERIALS
- Carbon steel
- Austenitic & Martensitic Stainless Steels
- Duplex & Super-duplex Alloys
- Alloy 254 (6Mo)
- Alloy 400
- Alloys B & C
- Alloys 625 & 825
APPLICATIONS
- LNG & FLNG
- Oil & Gas; Upstream (E & P), Midstream (LNG), and downstream (refining)
- Oil & Gas – pipelines & compression stations
- Chemical & petrochemical production
- Industrial gas & cryogenics
- Nuclear power plants
DESIGN RATINGS
- ASME & API Class 150 to 2500, API Class 5000 & 10000 (customized)
- ASME Section III (St. Victoret Plant)
SEAT TIGHTNESS
- Metal seats 90%
- Soft seats 93%
CAPACITY
- Individually calculated and selected for each process application
UPGRADES & ADAPTATIONS
- Forged block body
- Assisted lift
- Supplementary loading
- Limit switch
- Balanced piston
- Bellows failure sensor
- Damping system (GRAB / QUIRI)
- Inlet and outlet butt-weld ends on customer demand
- Steam jacket
Starflow-V (PV Series) Pressure Relief Valve
The Sarasin-RSBD® Starflow V Pressure Relief Valve is designed for steam boiler applications and provides anti-seizing, rapid lifting, and blowdown performance.
The Starflow V Pressure Relief Valve compliments the existing Starflow P and Starsteam offerings.
The additional option allows boiler manufacturers and plant operators to deal with a single supplier for multiple sizes and pressure conditions ranging from 1 to 8 inches (1 bar (14 psig) to 370 bar (5,366 psig)).
The Starflow safety valve range has been designed to work in a number of processes including multipurpose flow control and pressure relief within the power industry. Furthermore, with the addition of the Starflow V, Trillium Flow Technologies™ now offers its customers a fully inclusive product range available for boiler applications up to supercritical operational levels. Additionally, custom short and long-dimension versions of the Starflow V safety valve is also available as a drop-in aftermarket replacement for the US market.
KEY FEATURES & BENEFITS
- Composite design
- ASME B&PV Code Section I and VIII certified valves (full lift and restricted lift)
- Anti-seizing capability to prevent galling or sticking of internal components in the event of inconsistent operation or chattering
- Spring loaded safety valves with fully metallic seat surfaces
- Exposed spring for effective venting of steam
- High performance
- Effective flow coefficient granted by National Board (USA) in accordance with the ASME B&PV Code
- High pressure ratings to attain maximum set pressures
- Specially designed and contoured disc to optimize steam flow & seat tightness
- Effectively designed body chamber to optimize blowdown reaction time
- Anti-seizing capability to ensure accurate & repeatable opening pressures
- Control of the cost of product ownership
- Availability of large orifice sizes can minimize the quantity of selected valves and thus reduce the cost of acquisition and maintenance
- Anti-seizing capability will assist to control the cost of operation, maintenance, and spare parts
DESIGN STANDARDS
- ASME BPVC section I & VIII
SIZE RANGE & DIMENSIONS
- Inlet sizes: 1.25 – 12 inches
PRESSURE CLASS & POWER
- ANSI Class 150 through 1500 FLANGED (B16.5)
TEMPERATURE RANGE
- Up to 649ºC (1200°F)
CAPACITY
- Calculated and selected for each process application
MATERIALS
- SA 216 Gr. WCCSA 217 Gr. WC6/WC9SA 351 Gr. CF8M
Starsteam (V Series) Safety Valve
The Sarasin-RSBD® Starsteam Spring Loaded Safety Valve is designed to reliably meet the stringent requirements of ASME Boiler and Pressure Vessel Code Section I for Power applications.
The Starsteam Safety Valve is designed to meet the rigorous process conditions which are essential for steam boilers. This spring loaded safety valve is used in superheater and reheater applications and is specially engineered to provide fast response to overpressure and blowdown requirements.
The Sarasin-RSBD® Starsteam safety valves are designed to provide high integrity performance and repeatability particularly at high pressure and high temperatures in power plants as well as oil and gas boiler applications. This safety valve features a Stardisc design which guarantees perfect tightness at high temperatures as well as repeated and accurate positioning on the nozzle.
KEY FEATURES & BENEFITS
- A specially engineered internal design provides the fast response overpressure and blowdown requirements which are demanded by ASME BPVC Section I code of practice
- The valve is for use in boiler drum, superheater, and reheater applications
- Flanged or butt-weld inlet connections
- Flow capacity tested by the US National Board and carrying the ASME V code stamp (full lift and restricted lift)
- Thermoglide design eliminates the risk of seizing or sticking of internal parts
- Thermoglide design improves the gliding characteristics of internal parts thus enabling the valve to achieve its full lift and re-seat point within the fastest possible time
- Stardisc disc lip design guarantees perfect tightness due to its flexibility at high temperature.
- Starsdisc low loading point guarantees repeated and accurate positioning on the nozzle
- Dual adjusting ring to adjust the accumulation chamber volume and guarantee short and fast action blowdown characteristics
- Seal welded semi-nozzle design
- Pre-drilled yoke mounting surface for in-situ electronic valve testing
TEMPERATURE RANGE
- Saturated steam up to 649ºC (1200°F)
MATERIALS
- Carbon steel, various carbon & chrome moly steels austenitic stainless steels
APPLICATIONS
- Conventional power plants applications as detailed below
- Drum (subcritical)
- Superheater inlet (supercritical)
- Superheater outlet
- Reheater inlet and outlet
- Sootblower
- Oil & Gas applications
- Site boiler installations
- Nuclear power plants
DESIGN STANDARDS
- ASME BPVC I, ISO 4126, PED 2014/68/UE, ATEX 94/9/EC, EAC TR CU 10/12/32
- ASME Section III (St. Victoret Plant)
DESIGN RATINGS
- ASME Class 600 to 4500
- Flanged or Butt-weld
- Size range & dimensions
- 40 – 200mm (1.5 – 8 inches)
CAPACITY
- Individually calculated and selected for each process application
DESIGN RATINGS
- Assisted lift
- Restricted lift
- Supplementary loading