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Consolidated 19000 Series Safety Relief Valve Instruction Manual

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© 2020 Baker Hughes Company. All rights reserved.

X. Consolidated 19000 Series SRV (Contd.)

D. The 19096M-DA-BP Valve

18

9

12

13

17

10

10

39

40

8

4

11

7

38

3

37

36

1

5

Figure 6: 19000-DA-BP Valve Construction

Part

No.

Nomenclature

1

Base

3

O-Ring Retainer

4

Disc Holder

5

Guide

7

Bonnet Top

8

Bonnet Bottom

9

Spindle

10

Spring Washer

11

Spring

12

Adjusting Screw

13

Adj. Screw Locknut

17

Cap Gasket

18

Screwed Cap

36

O-Ring Retainer Lockscrew

37

O-Ring Seat Seal

38

Spindle O-Ring

39

Backup Plate

40

Backup Plate O-Ring

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Summary of Contents for Consolidated 19000 DA

Page 1: ...Consolidated 19000 Series Safety Relief Valve Instruction Manual Rev E Baker Hughes Data Classification Public...

Page 2: ......

Page 3: ...ER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN CONNECTION WITH INSTALLATION OPERA...

Page 4: ...ted States Customary System USCS values are converted to metric values using the following conversion factors USCS Unit Conversion Factor Metric Unit in 25 4 mm lb 0 4535924 kg in2 6 4516 cm2 ft3 min...

Page 5: ...ty Relief Valves 11 B 19096M DA BP Safety Relief Valves 11 X Consolidated 19000 Series SRV 12 A Metal Seat Valve 12 B Standard Cap Types 13 C Soft Seat Valve 14 D The 19096M DA BP Valve 15 XI Recommen...

Page 6: ...33 C Test Media 33 D Setting the Valve 33 E Set Pressure Compensation 33 F Blowdown 34 G Simmer 35 H Seat Leakage 35 I Back Pressure Testing MS DA 35 J Hydrostatic Testing and Gagging 37 K Manual Popp...

Page 7: ...if necessary on how to avoid the hazard The top panel of the format contains a signal word DANGER WARNING CAUTION or ATTENTION which communicates the level of hazard seriousness The center panel conta...

Page 8: ...e severe personal injury or death It is the owner s responsibility to specify and provide personal protective wear to protect persons from pressurized or heated parts Contact with pressurized or heate...

Page 9: ...or tools selected Contact Baker Hughes if there are any questions relative to tools methods The installation and start up of valves and or valve products may involve proximity to fluids at extremely...

Page 10: ...ion when a valve is relieving 8 Maximum Allowable Working Pressure The maximum gauge pressure permissible in a vessel at a designated temperature A vessel may not be operated above this pressure or it...

Page 11: ...e static pressure upstream of the valve and characterized by a rapid opening or pop action It is used for steam gas or vapor service 15 Set Pressure The gauge pressure at the valve inlet for which the...

Page 12: ...s with the O ring seat seal option are identified by the suffix DA see Table 14 Lifting Levers Caps and Gags All Consolidated 19000 Series Valves are designed so that field conversion from the standar...

Page 13: ...tion Minimum 20 F 28 C Maximum 600 F 315 C Seat tightness Set pressure of 50 psig 3 45 barg 92 percent 51 psig 3 52 barg 100 psig 6 8 barg 94 percent 101 psig 6 9 barg Maximum Rating 95 percent IX Int...

Page 14: ...wn 34 Outlet Extension not shown 35 Outlet Flange not shown 41 Inlet Nipple Extension Optional not shown 42 Outlet Nipple Ext Optional not shown 18 9 12 13 17 10 11 6 10 4 2 5 1 9 4 2 5 Figure 1 19000...

Page 15: ...H 19357L M 19357L M Excludes 19096M DA BP Note 3 Available for all 19000 valves Note 4 Can be provided with a gag if required Part No Nomenclature 14 Gag Bolt 15 Sealing Plug 16 Sealing Plug Gasket 17...

Page 16: ...r 11 Spring 12 Adjusting Screw 13 Adj Screw Locknut 17 Cap Gasket 18 Screwed Cap 36 O Ring Retainer Lockscrew 37 O Ring Seat Seal 41 Inlet Nipple Extension Optional not shown 42 Outlet Nipple Extensio...

Page 17: ...17 10 10 39 40 8 4 11 7 38 3 37 36 1 5 Figure 6 19000 DA BP Valve Construction Part No Nomenclature 1 Base 3 O Ring Retainer 4 Disc Holder 5 Guide 7 Bonnet Top 8 Bonnet Bottom 9 Spindle 10 Spring Wash...

Page 18: ...ve shall not exceed three 3 percent of valve set pressure when the valve is allowing full capacity flow The inlet piping should never be smaller in diameter than the inlet connection of the valve Exce...

Page 19: ...hanges Do not use fixed supports C Outlet Piping Alignment of the internal parts of the SRV is important to ensure proper operation see Figure 8 Although the valve body will withstand a considerable m...

Page 20: ...nmental damage Before disassembling the valve ensure there is no media pressure in the vessel Many pressure vessels protected by Consolidated safety relief valves contain dangerous materials Decontami...

Page 21: ...ord before removal Measure from the top of the screw to the adjusting screw locknut 13 c Loosen the adjusting screw locknut 13 and remove the adjusting screw 12 from the bonnet top 7 d Unscrew the bon...

Page 22: ...the cutting action of the compound 8 To check the seating surfaces remove all compounds from both the seat and the lap Then shine the seat with the same lap using the lapping motion described above L...

Page 23: ...ck align the base so that surfaces marked X and U run true within 001 0 03 mm on an indicator b Take light cuts on the seat surface until all damage is removed Reestablish dimensions B C F G H and Ang...

Page 24: ...9 28 17 1 247 31 67 0 048 1 22 19096H 0 350 8 89 0 395 10 03 Flat Flat 0 457 11 61 0 503 12 78 0 030 0 76 19126H 0 401 10 19 0 453 11 51 Flat Flat 0 523 13 28 0 579 14 71 0 030 0 76 19226H 0 537 13 64...

Page 25: ...457 11 61 0 503 12 78 0 022 0 56 19110H 0 375 9 53 0 395 10 03 N A 0 457 11 61 0 503 12 78 0 022 0 56 19126H 0 401 10 19 0 444 11 28 N A 0 523 13 28 0 579 14 71 0 022 0 56 19226H 0 537 13 64 0 616 15...

Page 26: ...A 19226H 0 210 5 33 1 504 38 20 Flat 0 030 0 76 30 0 250 6 35 N A N A Table 5 19000 Series Soft Seat DA Base Re work Dimensions Valve Type A min B 002 in 0 05 mm C min D 002 in 0 05 mm E 003 in 0 08 m...

Page 27: ...severely damaged or if dimension S minimum is exceeded see Figure 12 and Table 7 ATTENTION The O ring always should be replaced to ensure seat tightness 2 Polishing the base seat Normally the base se...

Page 28: ...t Valve Type Disc Metal Seat O Ring Retainer Soft Seat Q R min S min Q R min S min 1 Design 2 Design in mm in mm in mm in mm in mm in mm in mm 19096L M 0 461 11 71 0 025 0 64 0 243 6 17 0 234 5 94 0 4...

Page 29: ...d dimension S cannot be maintained see Table 7 3 Length S is less than S minimum see Table 7 C O Ring Seat Seal Assembly The O ring seat seal assembly parts should be replaced as follows 1 O ring seat...

Page 30: ...bent see Figure 13 G 2 DA BP The spindle should be replaced if 1 The bearing surfaces V are galled pitted or scratched 2 The threads are torn stripped or galled 3 The spindle is bent 4 The O ring groo...

Page 31: ...in 0 03 mm K L min Metal Seat MS Soft Seat DA Metal Seat MS Soft Seat DA in mm in mm in mm in mm in mm 19096L 0 661 16 79 0 810 0 007 20 57 0 18 0 810 0 007 20 57 0 18 1 701 43 21 1 701 43 21 19110L 0...

Page 32: ...e bonnet seating surface and the bonnet and base threads 3 Use a clean base 1 lapped for the valve set pressure see seat width requirement Table 5 Place a lapped disc 2 on the base with lapped surface...

Page 33: ...ng surfaces should be free of any nicks or scratches with a 63 RMS finish maximum Apply non copper based thread lubricant to the bonnet and base threads and guide seating surfaces Install the bonnet 6...

Page 34: ...plate O ring 310XX030 40 in the O ring groove in the backup plate 39 using a small amount of O ring lubricant Verify that the backup plate seating surface on the bonnet bottom and the backup plate rin...

Page 35: ...ned if changes are to be made to the set pressure or backpressure or if the service temperature changes Note This design will allow the set pressure to remain constant under superimposed variable back...

Page 36: ...e Table 11 X1 019 Cold Differential Set Pressure 2548 psig 175 68 barg Set pressure 2500 psig 172 37 barg temperature 500 F 260 C constant backpressure 150 psig 10 34 barg Set Pressure 2500 psig 172 3...

Page 37: ...ble 13 when the test medium is either air or water Table 13 Metal Seat Valve Leakage Rate Max Leakage Rate Approximate Leakage Rate Bubbles per minute ft3 per 24 hr Liters per 24 hr 40 0 06 16 99 Tabl...

Page 38: ...s Repair of leaking valve joints may be attempted by tightening the leaking joint while the valve is still on the stand If this does not stop the leak disassemble and inspect the leaking joint If the...

Page 39: ...conditions completely release the lever from maximum lift to snap the valve back on its seat Since in some cases the dead weight of the lever may have a tendency to lift the valve disc the lever shou...

Page 40: ...003 Lapping compounds are identified in Table 17 Laps and the lapping plate may be purchased from Baker Hughes XVIII Maintenance Tools and Supplies Table 16 Laps Valve Part Number 19096L 19110L 19126L...

Page 41: ...bles 19 and 20 to determine the parts to include in the inventory plan Select the desired parts and determine those required for proper maintenance of the valve population in the plant D Identificatio...

Page 42: ...Table 19 Metal to Metal Seat Valves Class Part name Quantity Parts Size Type Material Valves in Service Need Coverage Probability I Disc Gaskets Cap 1 1 1 1 70 percent II Disc Holder Spindle Guide 1...

Page 43: ...d parts Inventory Control Global access to spare parts inventories with your local Green Tag Center Baker Hughes s authorized sales representative Parts interchangeability Obsolete and excess inventor...

Page 44: ...ormation The Baker Hughes logo Consolidated EVT ValvKeep and Green Tag are trademarks of Baker Hughes Company Other company names and product names used in this document are the registered trademarks...

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