Trillium SARASIN-RSBD STARFLOW V Series Installation, Operation & Maintenance Manual
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Trillium SARASIN-RSBD STARFLOW V Series Installation, Operation & Maintenance Manual

Sarasin-rsbd pressure relief valve
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V SERIES (STARFLOW V
TM
)
Installation, Operation,
Maintenance Manual

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Summary of Contents for Trillium SARASIN-RSBD STARFLOW V Series

  • Page 1 V SERIES (STARFLOW V Installation, Operation, Maintenance Manual...

  • Page 2: Table Of Contents

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD CONTENT SAFETY SIGN AND LABELS ..............................3 SAFETY INSTRUCTIONS ............................... 4 SAFETY PRECAUTIONS ................................ 5 WARRANTY INFORMATION ..............................6 TERMINOLOGY ..................................7 GENERAL ADVICE .................................. 8 6.1 RESPONSIBILITIES..................................8 6.2 IDENTIFICATION PLATE.................................. 8 6.3 SPRING ......................................

  • Page 3: Safety Sign And Labels

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD SAFETY SIGNS AND LABELS Signs or labels are included throughout this document. These signs or labels communicate the following messages: • The level of hazard seriousness • The nature of the hazard •...

  • Page 4: Safety Instructions

    Consequently, anyone who uses a procedure and/or tool, which is not recommended by Trillium Flow Technologies or deviates from Trillium Flow Technologies recommendations must be thoroughly satisfied that neither personal safety nor equipment safety will be jeopardized by the method and/or tools which have been selected.

  • Page 5: Safety Precautions

    • Valves under the operating pressure may relieve at any time. Never strike the body or tamper with the valve as such practice could cause premature relief. • Never modify or change the valves, especially when they are under pressure. It is essential that you inform Trillium Flow Technologies in All instances if any machining of parts is to be considered.

  • Page 6: Warranty Information

    Purchase Order. If any issue arises whilst operating the product, the customer should inform Trillium Flow Technologies as quickly as possible. A return to the original plant should then be considered in order for Trillium Flow Technologies to inspect the product.

  • Page 7: Terminology

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 5 TERMINOLOGY For the purpose of this manual, the following abbreviations, definitions and terms apply ACCUMULATION The pressure increase over the maximum allowable working pressure of the vessel, expressed in pressure units or as a percentage of maximum allowable working pressure (MAWP) or design pressure.

  • Page 8: General Advice

    The recommended practices indicated within this manual must be respected to prevent any potential damage to goods. It is important that all points of advice are followed closely and are implemented by suitably qualified personnel. Trillium Flow Technologies disclaims all responsibility for maintenance operations which may be...

  • Page 9: Spring

    • Quick closing (no damping effect when reseating) The adjustment range of the spring must be within ± 5 % of the nominal value Spring data should be obtained from Trillium Flow Technologies ’s Sarasin-RSBD Aftersales Department. When requesting information, please quote the serial number which is shown on the valve identification plate.

  • Page 10: Handling

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 6.5 HANDLING According to procedure 20.02, the safety valve should be handled very carefully at all times whether they are in the packed or unpacked condition. The valves should never be subjected to any impact or striking, either directly or indirectly through the packaging.

  • Page 11: Starflow Tm Basics

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 7 STARFLOW V BASICS 7.1 DESCRIPTION Starflow V safety valves is provided with flanged ends connections. Table 1 shows the critical flow path dimensions according to each orifice designation. In cases of restricted lift, values presented are the maximum allowable limitation.

  • Page 12: Features And Nomenclatures

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 7.2 FEATURES AND NOMENCLATURES Body design in accordance with ASME B16.34 • ASME B&PV Code section I design o 3% overpressure o Adjustable blowdown in between -2% and -4% • Full nozzle design •...
  • Page 13 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD INTERMEDIATE WASHER THRUST BEARING DISC RETAINER RETAINER PLATE SCREW WASHER CIRCLIP DISC HOLDER UPPER SPRING WASHER SPRING LOWER SPRING WASHER COVER STUD PLUG CAP SCREW TEST GAG LEVER FORK OVERLAP RING LEVER PIN SPINDLE NUT FORK PIN ADJUSTING RING SCREW...
  • Page 14 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD DETAIL A FIGURE 2 - MAIN VALVE DRAWING www.trilliumflow.com...
  • Page 15 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD Material configuration Code 30 Code 32 Code 42 Code 52 Code 16 N° Part Name C12A CF8M BODY SA216 Gr WCC SA217 Gr WC6 SA217 Gr WC9 SA217 Gr C12A SA351 Gr CF8M BODY PLATE SA479 Gr 316 SA479 Gr 316...

  • Page 16: Installation

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 8 INSTALLATION 8.1 GENERAL DANGER WARNING CAUTION CAUTION Be aware that the Never face the outlet of a Protect against high noise Helmets and gloves must environment might be valve when it is levels which occur during be worn to prevent any extremely hot.

  • Page 17: Outlet Piping

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 8.3 OUTLET PIPING The safety valve must not support either the weight or the installation stresses of the outlet piping. The backpressure should be reduced by using outlet piping with a nominal diameter of at least equal to the nominal diameter of the safety valve outlet flange, together with large radius elbow.
  • Page 18 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD DA (mm) DB (mm) DC (mm) It is necessary to use a torque wrench to tighten the inlet and outlet flange bolting. 1. A check should be made that the gasket is centered on the flange 2.
  • Page 19 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD Nominal Core section Allowable stress (M.Pa) Tightening torque (m.daN) diameter (mm²) (mm) Carbon Stainless Carbon Stainless steel Steel² steel steel 52.3 76.2 10.0 14.1 12.5 19.1 15.3 24.4 19.6 36.0 23.7 49.0 32.2 66.5 43.7...

  • Page 20: Lever Orintation

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD Lifting lugs 8.5 LEVER ORIENTATION Remove the 2 lifting lugs Unset the 3 cap screws [33] Rotate the lifting [30] to the suited position Set the 3 cap screws [33] NOTE: lifting lugs shall not be replaced on the safety valve. CAP SCREW LEVER ITEM...

  • Page 21: Maintenance

    No particular tool is required for the maintenance operations on the main valve of the 76 series valve. Regarding the pilot, a tool kit is recommended to ease the lapping and the re-assembly of disc in the pilot body. Maintenance may be performed without taking the valve off line. Please contact Trillium Flow Technologies SarasinRSBD aftersales team in the event of any uncertainty.

  • Page 22: Disassembly Of The Starflow

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 9.1 DISASSEMBLY OF THE STARFLOW V™ Remove the 3 cap screws [33] Remove the pin [90] Remove the spindle nut [26] whilst lifting lever assembly CAP SCREW SPINDLE NUT ITEM DESCRIPTION Lifting lever assembly Mark the position of the set screw nut [15] on set screw [14], this will speed up the resetting progress.
  • Page 23 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD Mark SPRING SET SCREW NUT SET SCREW ITEM DESCRIPTION Unscrew the 4 nuts [50] from the cover studs [35] Lift the yoke [3] + set screw [14], you can use lifting lugs if needed Then remove the upper spring washer assembly [47+103+113], the spring [46] and the lower spring washer [45].
  • Page 24 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD Lift the spindle assembly [13+89+28+91+2+10]. Keep it vertical as far as practicle. Lift the disc holder assembly [12+56+11+95]. Take care to maintain the disc holder assembly vertical to prevent the sliding rings [12] to fall and break up. www.trilliumflow.com...
  • Page 25 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD DISC RETAINER RETAINER PLATE SCREW DISC HOLDER OVERLAP RING SPINDLE SLIDING RING DISC LIFT STOP COVER ITEM DESCRIPTION Mark the position of each adjusting ring. Upper adjusting ring [8] position marked on the guide [9]. Lower adjusting ring [7] position marked on the nozzle [6].
  • Page 26 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD ADJUSTING RING SCREW GUIDE UPPER ADJUSTING RING LOWER ADJUSTING RING NOZZLE ITEM DESCRIPTION www.trilliumflow.com...

  • Page 27: Inspection Of The Starflow

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 9.2 INSPECTION OF THE STARFLOW V 9.2.1 GENERAL RECOMMENDATIONS We recommend to carefuly stock the disassembled valves per serial number not to mixup parts during inspection and maintenance. Changes from one valve part to another can be invisible to the eye and may compromit perfect valve operation during its whole life cycle.
  • Page 28 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD • Disc (11) o General • Inspect the hinge surface (sphere) of the disc. If it is galled, scratched, corroded or pitted the disc shall be replaced. • Inspect the disc seating surface (figure 13). Roughness of the seating surface of the nozzle shall be Ra 0.4µm (16 RMS).
  • Page 29 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD • Inspect the nozzle seat. Any scratch or impact mark less than 0.5mm deep on the seating surface shall be removed by lapping. The remachining of the nozzle seating surface is recommended if there is any impact mark deeper than 0.5mm. •...
  • Page 30 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD • Guide (09) The gasket seating surfaces (in green) roughness shall be of about Ra 1.6µm (64 RMS). Scratches can be removed with abrasive paper grade 1000 or higher. Check the internal diameter (in green) where the disc-holder slides. If surface is galled, scratched, corroded or pitted the guide shall be replaced.
  • Page 31 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD • Main valve sliding rings (8) (61) Inspect the pairs of sliding rings for any missing splinter, broken part, desintegrating area. If the sliding rings are in proper state, proceed with thickness verification. If not replace them. The sliding rings thicknesses shall be reviewed (figure 19).

  • Page 32: Re-Assembly

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 9.3 RE-ASSEMBLY 9.3.1 NOZZLE/GUIDE ASSEMBLY 1. Insert the body (1), upside down in the vise. 2. Smooth the nozzle threads (6) if there are rough patches. And clean it. 3. Grease the nozzle threads (6) and the nozzle seat (6). 4.
  • Page 33 ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD The full lift settings are given in the following table 13: Orifice Orifice diameter ASME certified ASME Tolerance on full designation (mm) certified lift (mm) Full lift (mm) Min restricted lift (mm) 17,5 +0,2/-0 +0,3/-0...

  • Page 34: Body Plate And Spindle Assembly

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 9.3.4 BODY PLATE AND SPINDLE ASSEMBLY 1. Insert the floating washer (18) in the body plate (2), the chamfer must be turned up (see zooming picture). 2. Then, put the washer retainer plate (17) on it. 3.

  • Page 35: Adjustment Of The Lower Adjusting Ring

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 9.3.6 ADJUSTMENT OF THE LOWER ADJUSTING RING • Take off the lower adjusting ring screw (22). • Raise the lower adjusting ring until it is in contact with the disc holder (56). Do not apply any effort so that compressing compression of the spring may be avoided.

  • Page 36: Spring Assembly

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 9.3.8 SPRING ASSEMBLY 1. Grease and mount the lower spring washer (45) on the spindle (13). 2. Put the spring (46) on it. 3. Grease and mount the upper spring washer (47) on the spindle (13). 4.

  • Page 37: Testing

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 10 TESTING 10.1 TEST GAG The gag for hydrostatic testing may be used for both: flange and butt-weld inlet connections. To assemble the test gag, the cap needs to be removed from the valve. Please refer to section 9.1 for cap removal instructions.

  • Page 38: Set Pressure And Adjustment Of Rings

    All the safety valve are tested at the Trillium Flow Technologies factory. Nevertheless, a calibration on the actual equipment with a full capacity is recommended. This will ensure a proper opening and the perfect rings adjustment.

  • Page 39: Set Pressure Adjustmen

    The blowdown should always be as long as possible based upon the operating conditions. Short blowdown ranges may lead to chattering. 10.2.3 UPPER AND LOWER RINGS ADJUSTMENT Initial adjustments should be kept unless required as the above description.. In case of any issues with set pressure adjustment, please contact Trillium Flow Technologies aftersales department. www.trilliumflow.com...

  • Page 40: Calibration Check With Online Testing Device

    10.3 CALIBRATION CHECK WITH ONLINE TESTING DEVICE It is sometimes required to check for the calibration of the valve at the commissioning stage or periodically. Such activity can be achieved using a specific online testing electronic device. Trillium Flow Technologies can arrange to perform such activity.

  • Page 41: Troubleshootings

    ™ STARFLOW V PRESSURE RELIEF VALVE ™ SARASIN-RSBD 12 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION The disc does not move Test gag still in place Remove the test gag (no lift) Foreign material trapped in Carry out maintenance to remove the part and to between a moving part and fixed overhaul the potential damaged parts.

  • Page 42: Spare Parts

    Such work must be carried out by a skilled technician. The Trillium Flow Technologies Group offers trainings and education programmes to cover all areas of maintenance and repair. Please consult your nearest Trillium Flow Technologies representative for more details. To perform basic maintenance tasks within the shortest possible timeframe, it is recommended that class “A”...

  • Page 43: Genuine Parts

    PRESSURE RELIEF VALVE ™ SARASIN-RSBD 15 GENUINE PARTS The use of spare parts which are not obtained from a genuine Trillium Flow Technologies source or a Trillium Flow Technologies accredited company exposes product, plant and personnel to high risk. • Sarasin-RSBD parts only are designed and produced to be used in Sarasin-RSBD valve designs.

  • Page 44: Codification

    Government Ring • • • y t i • SARASIN-RSBD and STARFLOW V are trademarks and/or registered trademarks of Trillium Flow Technologies France SAS; Trillium Flow Technologies is a trademark and/or registered trademark of Trillium Flow Technologies Engineering Services Limited. www.trilliumflow.com...

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