Trillium SARASIN-RSBD STARFLOW V Series Скачать руководство пользователя страница 23 | Manualshive

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background image

46

1

SPRING

15

1

SET SCREW NUT

14

1

SET SCREW

ITEM

QTY

DESCRIPTION

Mark

14

15

46

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].

113

1

INTERMEDIATE WASHER

104

1

THRUST BEARING

50

4

NUT

47

1

UPPER SPRING WASHER

46

1

SPRING

45

1

LOWER SPRING WASHER

35

4

COVER STUD

14

1

SET SCREW

3

1

YOKE

ITEM

QTY

DESCRIPTION

50

35

22

|

www.trilliumflow.com

STARFLOW V

™

PRESSURE RELIEF VALVE

SARASIN-RSBD

™

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Содержание SARASIN-RSBD STARFLOW V Series

Страница 1: ...V SERIES STARFLOW V TM Installation Operation Maintenance Manual ...

Страница 2: ...ECOMMENDATIONS 27 9 2 1 PART INSPECTION 27 9 3 RE ASSEMBLY 32 9 3 1 NOZZLE GUIDE ASSEMBLY 32 9 3 2 DISC DISC HOLDER ASSEMBLY 32 9 3 3 ADJUSTMENT OF THE LIFT 32 9 3 4 BODY PLATE AND SPINDLE ASSEMBLY 34 9 3 5 ADJUSTEMENT OF OVERLAP RING 34 9 3 6 ADJUSTMENT OF THE LOWER ADJUSTING RING 35 9 3 7 ADJUSTMENT OF THE UPPER ADJUSTING RING 35 9 3 8 SPRING ASSEMBLY 36 9 3 9 CAP ASSEMBLY 36 10 TESTING 37 10 1 ...

Страница 3: ...diate danger which WILL cause serious personal injury or death WARNING Risk or dangerous practice which COULD cause serious personal injury or death CAUTION Risk or dangerous practice which COULD cause minor injuries ATTENTION Risk or dangerous practice which COULD cause damage to equipment Never face the outlet of a valve when it is discharging as this may result in serious personal injury or dea...

Страница 4: ...sociated with the use of the product Whilst this document is intended to be informative it is important to understand that the safety messages provided are not exhaustive Trillium Flow TechnologiesTM cannot possibly be aware of evaluate or advise all of the conceivable methods by which tasks might be performed or of the possible hazardous consequences of each of those methods Consequently anyone w...

Страница 5: ...pstream the valve and that the valve is isolated from the system pressure Before performing each pop test on the safety valve ensure that no personnel are close to the valve The steam which could escape during the operation could cause serious personal injury When a lift test is performed using the lifting lever be sure to use a rope or a chain whilst standing at a safe distance away from the valv...

Страница 6: ...t Trillium Flow TechnologiesTM cannot be held responsible for any incorrect sizing and selection of a valve if the original specification supplied by the customer was incomplete or inaccurate Trillium Flow TechnologiesTM does not authorise any third parties eg non Trillium Flow TechnologiesTM service centres to repair a product of Trillium Flow TechnologiesTM s manufacture Any customer allowing or...

Страница 7: ... of the disc away from closed position when a valve is relieving LEAK TEST PRESSURE Leak test pressure is the specified inlet static pressure at which a quantitative seat leakage test is performed in accordance with a standard procedure MAWP maximum allowable working pressure The maximum gauge pressure permissible at the top of a vessel in its normal operating position at the designated coincident...

Страница 8: ...nisation 6 2 IDENTIFICATION PLATE The data shown on the identification plate figure 1 should be referenced with all requests for work or for the supply of spare parts The identification plate bears the following information fields fulfilled according code and regulation requirements Serial number also stamped on the edge of the outlet flange Safety valve type model number Inlet dimension pressure ...

Страница 9: ... using the lifting eyes or sling Make sure the valve is not dropped and does not receive strikes Safety valves may be received several months before an actual plant start up date In order that the valve performance is not adversely affected it is important to follow some clear rules concerning storage and handling prior to installation It is recommended that the safety valves are stored in a clean...

Страница 10: ...ion The valves should never be subjected to any impact or striking either directly or indirectly through the packaging Never lift or handle a safety valve by its lifting lever The valve should be moved and transported in the upright position at all times to maintain performance accuracy 9 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 11: ...ment is referred to as the anti seizing function Three rings allow accurate adjustment of the popping and the reseating pressure a lower adjusting ring 7 an upper adjusting ring 8 and an overlap ring 28 which is at the cover level A lift stop 10 controls the lift characteristics The sub assembly ie disc nut 16 lift stop 10 and overlap ring 28 are prevented from rotating by the use of cotter pins U...

Страница 12: ...ture o Two ThermoglideTM rings on the piston Restricted lift arrangement o Adjustable lift stop to attain either a full lift or a restricted lift Premium tightness performance o A lip disc design which increases the tightness on high pressures and high temperatures applications o Disc supplied in Alloy 718 Blowdown chamber o Allows a short blowdown adjustment o Allows a fast blowdown speed to prot...

Страница 13: ...LUG 33 3 CAP SCREW D 31 1 TEST GAG 30 1 LEVER D 29 1 FORK D 28 1 OVERLAP RING B 27 1 LEVER PIN D 26 1 SPINDLE NUT D 25 1 FORK PIN D 22 2 ADJUSTING RING SCREW B 18 1 FLOATING WASHER C 17 1 WASHER RETAINER PLATE 15 1 SET SCREW NUT D 14 1 SET SCREW D 13 1 SPINDLE B 12 2 SLIDING RING A 11 1 DISC B 10 1 LIFT STOP B 9 1 GUIDE C 8 1 UPPER ADJUSTING RING B 7 1 LOWER ADJUSTING RING B 6 1 NOZZLE E 5 1 CAP E...

Страница 14: ...DETAIL A 89 89 91 17 18 28 8 7 11 56 12 10 95 FIGURE 2 MAIN VALVE DRAWING 13 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 15: ...CF8M SA351 Gr CF8M 27 LEVER PIN A479 Gr 410 A479 Gr 410 A479 Gr 410 A479 Gr 410 A479 Gr 410 28 OVERLAP RING SA351 Gr CF8M SA351 Gr CF8M SA351 Gr CF8M SA351 Gr CF8M SA351 Gr CF8M 29 FORK SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC 30 LEVER SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC 31 TEST GAG SA216 Gr WCC SA216 Gr WCC SA216 Gr WCC SA216 Gr WC...

Страница 16: ... high pressure The system should always be purged before safety valve is installed Prior to installation of the safety valves all protective covers must be removed It is recommended that any surfaces in contact with gaskets are checked Dimensions of gaskets should be checked gaskets must not obstruct inlet or outlet orifices A pressure relief valve will only operate correctly if all installation p...

Страница 17: ...o prevent any accumulation in the body The connection curve to the vertical piping must be as close as possible to the safety valve outlet flange The easiest solution is for the elbow to be bolted directly to the safety valve flange The radius of the elbow must be as great as possible ie at least R 2 5 d 8 4 INSTALLATION ON THE PROTECTED EQUIPMENT The equipment nozzle on which the safety valve is ...

Страница 18: ...s Continue to tighten alternatively until the required torque is reached This should be done in 3 or 4 steps NOTE Due to the relaxation of the gasket it should be checked 24 to 48 hours after the first installation DA mm DB mm DC mm 25 50 150 40 80 200 30 80 200 66 100 220 80 150 270 100 150 270 150 200 320 200 250 370 250 300 420 FIGURE 4 BOLTING ORDER 17 www trilliumflow com STARFLOW V PRESSURE ...

Страница 19: ... 4 2 16 144 172 152 7 2 6 4 18 175 172 152 10 0 8 8 20 225 172 152 14 1 12 5 22 281 172 138 19 1 15 3 24 324 172 138 24 4 19 6 27 427 172 113 36 0 23 7 30 519 172 113 49 0 32 2 33 647 172 113 66 5 43 7 36 759 172 88 85 6 43 8 39 913 172 88 111 2 56 9 Note 1 Such as B7 L7 or 42CD4 2 Such as B8 or Z6CN18 9 TABLE 4 NOMINAL TIGHTENING TORQUES 18 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SA...

Страница 20: ... conditions ingress of dirt or other foreign matter or any extremes of temperature conditions please ensure that The body is insulated from the inlet neck to the cover Excessive variations in temperature may affect the set pressure or the body structure thermal stress A weathershield is fitted to prevent ice or snow accumulation or any foreign particles being trapped between the spring coils A wea...

Страница 21: ...e operation the system upon which the pressure relief valve is installed must not be pressurised 9 MAINTENANCE DANGER CAUTION CAUTION Never face the outlet of a valve when it is discharging as this may result in serious personal injury or death There should be zero pressure at the valve inlet prior to commencement of any work which is to be performed Any person who is working on the valve should b...

Страница 22: ...EM QTY DESCRIPTION 90 33 26 Lifting lever assembly Mark the position of the set screw nut 15 on set screw 14 this will speed up the resetting progress Unscrew the set screw nut 15 of about turn Loosen the set screw 14 until the spring 46 thrust has been completely released The set screw 14 shall rotate freely 21 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 23: ...ing lugs if needed Then remove the upper spring washer assembly 47 103 113 the spring 46 and the lower spring washer 45 113 1 INTERMEDIATE WASHER 104 1 THRUST BEARING 50 4 NUT 47 1 UPPER SPRING WASHER 46 1 SPRING 45 1 LOWER SPRING WASHER 35 4 COVER STUD 14 1 SET SCREW 3 1 YOKE ITEM QTY DESCRIPTION 50 35 22 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 24: ...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 23 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 25: ...ESCRIPTION 13 28 89 91 2 10 89 56 12 12 11 95 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 Unscrew the 2 adjusting ring screws 22 Remove the guide assembly 9 8 Unscrew the nozzle assembly 6 7 24 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 26: ...22 2 ADJUSTING RING SCREW 9 1 GUIDE 8 1 UPPER ADJUSTING RING 7 1 LOWER ADJUSTING RING 6 1 NOZZLE ITEM QTY DESCRIPTION 9 8 6 7 22 25 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 27: ...y true with sliding surfaces and sealing ones 5 33 3 2 9 1 6 26 90 29 30 14 15 113 104 47 46 45 50 35 13 22 DETAIL A 89 89 91 17 18 28 8 7 11 56 12 10 95 9 2 2 PART INSPECTION Body 1 Inspect the body for any cracks erosion pitting Outlet flange gasket seating area shall be in proper condition without any impact marks If the body has such defects it shall be replaced Boltings 35 50 Studs and nut sh...

Страница 28: ... The remachining of the nozzle seating surface is recommended if there is any impact mark deeper than 0 5mm Ra 0 8 Ra 1 6 Disc seating Sphere x The disc seat maximum repair figure 15 X dimension must not go below 0 1 mm for all orifices If the repair dimension is out of the tolerance the disc must be replaced Nozzle 6 o General Inspect the nozzle wetted area There shall be no trace of erosion pitt...

Страница 29: ...all be changed Inspect nozzle seating surface after lapping machining operations Touch check the roughness of lapped seating surfaces according to ISO 2632 or equivalent test specimen Final roughness of the seating surface of the nozzle shall be Ra 0 4µm 16 RMS or finer Nozzle seating Thread Centering diameter Rising Face RF X Disc holder 56 Inspect the external diameter of the stem part It shall ...

Страница 30: ...her Check the internal diameter in green where the disc holder slides If surface is galled scratched corroded or pitted the guide shall be replaced Gasket Seating Internal diameter Spindle 13 Strenghtness of the spindle Sliding diameter Spring washer seating surface Sphere A a 0 05 A 29 www trilliumflow com STARFLOW V PRESSURE RELIEF VALVE SARASIN RSBD ...

Страница 31: ... If any sliding ring thickness falls below the tolerancy given in table below the sliding ring pair shall be replaced Sliding ring thickness mm F G H J K L M N P Q R T Tolerancy mm 0 02 0 05 0 025 0 061 0 025 0 061 0 032 0 075 0 032 0 075 0 032 0 075 0 032 0 075 0 032 0 075 0 032 0 075 Disc Holder 7 8 10 12 14 14 14 14 17 FIGURE 19 SLIDING RING FIGURE 20 SLIDING RING TABLE 9 SLIDING RING THICKNESS...

Страница 32: ...or do it manually 2 Grease the disc 11 3 Insert it inside the disc holder 56 The disc 11 must be able to flap inside the disc holder 56 4 Clean the disc 11 seat Put some rubber on the vise in order to cut the sliding rings 12 at 45 degrees The cutting width must be lower than 0 04 in and the cuts must be opposed cf picture 5 Put the sliding rings 8 around the disc holder 56 6 Insert the disc holde...

Страница 33: ...tual lift will be the value which is stamped on the nameplate and in the computerized sizing report Adjust the lift stop 10 with one hand whilst with the other hand prevent the spindle from turning thus stopping the disc 11 from turning on the seat To lock screw down the lift stop in order the first notch faces the pin hole Insert and open the cotter pin 89 The cotter pin head must be in the horiz...

Страница 34: ...ith the lift stop 10 Screw up the overlap ring by the number of turns shown in the following table 14 Orifice Pitch on the stem mm Recommended number of turns after contact with the lift stop 5 1 F 5 1 G 7 1 H J 150 300 inlet 7 1 5 1 t e l n i 0 0 3 J K 1 5 5 L 1 5 5 M 1 5 5 5 2 N P 2 3 5 Q 2 6 5 R 2 6 5 T 2 6 5 V 2 10 W 2 12 5 Once the overlap ring 28 has been adjusted adjusted screw the overlap ...

Страница 35: ...as first initial adjustment if no mark has been taken Should any fine adjustment of the upper adjusting ring be necessary whereby the blowdown setting should need more accuracy The additional procedures which are shown below should be observed The upper adjusting ring may be adjusted only if the adjustments of the overlap ring and the lower adjusting ring prove to be unsatisfactory Our experience ...

Страница 36: ...ody 1 11 Adjust the set screws 22 23 Position the set screws 22 23 between two notches They must prevent the rings 7 8 from turning without blocking them 12 Screw the spindle nut 26 on the spindle 13 13 Fit the cap 5 on the valve 9 3 9 CAP ASSEMBLY 1 Fit the spindle nut 26 on the spindle 13 2 Mount the cap 5 on the yoke 3 Tighten it by using the cap screws 33 The lever 30 must be at the opposite o...

Страница 37: ...all safety valves which might be installed on the system Then apply a light torque to lock the gag into place a high torque could result in damage to the disc and nozzle seats If any leakage occurs the system pressure needs to be lowered so that the gag may be lightly retightened The gag should not be retightened without the system pressure being lowered as damage to the seating surfaces could occ...

Страница 38: ...nline testing device Using the first method the system pressure is increased until the popping point of the safety valves is reached This method allows both verification of the set pressure and clarification of the blowdown For the second method the Trillium Flow TechnologiesTM online testing device is used to determine the valve s opening pressure at the normal system operating pressure The diffe...

Страница 39: ... by accident This does not prevent the system pressure to rise and expose all the intervening personal near the valve To obtain a short blowdown high closing pressure the overlap ring 28 shall be lowered For this purpose remove the overlap ring pin 90 and screw down the overlap ring by one notch If the valve starts to chatter cease moving the overlap ring Leave the overlap ring at the most recent ...

Страница 40: ... is necessary to seal the valve in compliance with most of the international regulations This prevents changing the adjustments It allows also to identify the last intervening organisation manufacturer service centre or end user that will be responsible for the last adjustments The V series StarsteamTM safety valve includes means to allow the seal of all the adjustments In case a seal is broken pl...

Страница 41: ... has insufficient articulation Inspect the disc and spindle hinge surface Incorrect discharge piping support allowances or its weight supported by the valve outlet flange A Rearrange the support hardware Install if drip pan if necessary Review the outlet piping installation The disc does not reseat Lower adjusting ring too high Adjust the position of the ring Foreign material Carry out maintenance...

Страница 42: ... the same time as new valves Spare parts predictability Parts classification Replacement frequency A Most frequent B Less frequent but critical C Seldom D Hardware E Practically never replaced Parts classification can be found in section 6 2 table 2 It is necessary to indicate the serial number which is stamped on the valve nameplate in order to guarantee the authenticity and the interchangeabilit...

Страница 43: ...dered obsolete Sarasin RSBDTM parts may still be produced on demand If you are not aware of your nearest representative please contact the manufacturing operation at the address shown below If you are not aware of your nearest representative please contact the manufacturing operation at the address shown below Trillium Flow Technologies France SAS Rue Jean Baptiste Grison Z I du Bois Rigault 62880...

Страница 44: ... 217 Grade WC6 16 SA 351 Grade CF8M 42 SA 217 Grade WC9 Z other material 6 Flange Type A ASME B16 5 and EN 1759 1 P EN 1092 1 whatever possible size to drill Z Other 7 t e l n i e p y T h s i n i F e g n a l F M RF Smooth finish C2 Small tongue face J Ring Tool Joint C1 Large tongue face E2 Small male face C Tongue face E1 Large male face D2 Small groove face E Male face D1 Large groove face F2 Sm...

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