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Consolidated 1900/P Series Safety Valves Instruction Manual

| 31

© 2020 Baker Hughes Company. All rights reserved.

Plain Lever

Packed Lever

Bolted Cap

Screwed Cap

Weather Shield

recommended for

outdoor service

on P3 series
steam valves

Also available with

weather hood for cap.

Packed Lever with Gag

XVIII. 1900/P Series SV Options (Contd.)

Gag

Sealing Plug

and Gasket

Figure 28: Cap and Weather Shield Options

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Содержание Consolidated 1900/P Series

Страница 1: ...Consolidated 1900 P Series Safety Valves The Eductor Tube Advantage Instruction Manual Rev C Baker Hughes Data Classification Public...

Страница 2: ...UIREMENTS FOR OPERATION OF OTHER 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 CONN...

Страница 3: ...tance All the United 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...

Страница 4: ...mended Installation Practices 16 XII Disassembly of 1900 P Series Safety Valves 17 XIII Maintenance Instructions 18 A Machining of Seat Nozzle 18 B Lapping 19 C Reconditioning of Ring Laps 19 D Genera...

Страница 5: ...ce Tools and Supplies 32 A Pin Spanner Wrenches 32 B Inside Snap Ring Pliers 32 C Lap Rings 33 D Lap Plate 33 E Lapping Compounds 33 XX Replacement Parts Planning 34 A Service Parts Inventory Planning...

Страница 6: ...In some instances of human hazards the pictorial may instead depict what preventive measures to take such as wearing protective equipment The bottom panel may contain an instruction message on how to...

Страница 7: ...or near the body can cause severe personal injury or death It is the owner s responsibility to specify and provide protective wear to protect persons from pressurized or heated parts Contact with pre...

Страница 8: ...installation and start up of valves and or valve products may involve proximity to fluids at extremely high pressure and or temperature Consequently every precaution should be taken to prevent injury...

Страница 9: ...valves and valves repaired in the field by Baker Hughes Field Service team are sealed to assure the customer of our guarantee against defective workmanship Unauthorized removal and or breakage of this...

Страница 10: ...ressor discharge lines however the differential required between the operating and set pressures may be greater because of pressure pulsations coming from a reciprocating piston It is recommended that...

Страница 11: ...to discharge a continuous stream Simmer Characterized by the audible visual passage of a fluid across the seating surfaces just prior to opening The difference between this start to open pressure and...

Страница 12: ...n machined device and operates on the force balance principle Types 1900 P1 closed bonnet and P3 slotted bonnet valves have been designed for steam service in accordance with ASME Code Section I and V...

Страница 13: ...ide 11 Guide Gasket 12 Bonnet 13 Bonnet Gasket P1 Only 14 Base Stud 15 Stud Nut 16 Spindle 17 Spring Washer 18 Spring 19 Adjusting Screw 20 Adjusting Screw Nut 22 Plain Cap 24 Cap Set Screw 26 Release...

Страница 14: ...crew 26 Release Nut 27 Release Locknut 33 Top Lever 33A Top Lever Pin 34 Drop Lever 34A Drop Lever Pin Bolted Cap Assembly 35 Bolted Cap 23 Cap Screw 25 Cap Gasket P1 Only Gag Assembly 38 Gag Bolt 39...

Страница 15: ...pany All rights reserved IX Contd 1A 1 2 NPT DRAIN 47 45 46 Part No Nomenclature 45 Bellows Bellows Nut Bellows Flange 46 Bellows Gasket 47 Seal Plate C Bellows Valve P1 Only Bellows Flange Bellows Be...

Страница 16: ...inlet The inlet piping must be clean before installation The discharge piping size must never be less than the valve outlet size For conventional valves Baker Hughes recommends that the discharge pip...

Страница 17: ...t all times 6 All the upper internal parts can be removed as a unit by lifting out the spindle 1 These parts should be removed by lifting straight up On bellows valves care should be taken not to bend...

Страница 18: ...base surface at B run true within 001 0 03 mm on indicator If the nozzle has been removed grip the nozzle in a fourjaw independent chuck using a piece of soft material such as copper or fiber between...

Страница 19: ...rance At this point clean and apply 1000 grit and lap to a mirror finish When lapping has been completed any lines appearing as cross scratches can be removed by rotating the lap which has been wiped...

Страница 20: ...s should have a 63 RMS or better surface finish and their radius must be continuous Each corresponding bearing surface should be conical and smooth with a 63 RMS or better surface finish All traces of...

Страница 21: ...08 G 312 7 92 025 0 64 1 085 27 56 868 22 05 955 24 26 H 250 6 35 025 0 64 1 255 31 88 1 083 27 51 1 125 28 58 J 375 9 53 025 0 64 1 565 39 75 1 385 35 18 1 430 36 32 K 437 11 10 025 0 64 1 885 47 88...

Страница 22: ...359 136 12 6 109 155 17 N 5 984 151 99 5 984 151 99 5 984 151 99 5 984 151 99 5 984 151 99 P 5 734 145 64 5 734 145 64 7 484 190 09 7 484 190 09 7 484 190 09 Q 7 359 186 92 7 359 186 92 7 359 186 92 7...

Страница 23: ...ot require any machining the same limit washer tagged during disassembly may be used again However lift should be checked and verified correct as described on Section XVI B b If D or E valve nozzle wa...

Страница 24: ...101 22 3 985 101 22 6 620 168 15 372 9 45 T 5 187 131 75 5 187 131 75 7 992 203 00 434 11 02 Figure 23a D G Bellows Only Figure 23b D T Conventional H T Bellows A A Table 8 Maximum Clearance Guide Dis...

Страница 25: ...ew into the bonnet until it contacts the spring washer 15 When compressing the spring hold the spindle with Vise Grip pliers to prevent the spindle from turning in the disc holder Turn the adjusting s...

Страница 26: ...Washer Length Measured Lift C Limit Washer Length 6 Tighten nuts to compress gasket Do not use impact wrench on bellows valves 7 Place dial lift indicator on bonnet and over spindle then zero indicat...

Страница 27: ...umber of times to ensure that the valve opens three times in succession at the desired set pressure Simmer If simmer causes erratic valve opening refer to Table 12 Troubleshooting Guide B Back Pressur...

Страница 28: ...detector solution to all connections joints On bellows valves also install a clean pipe plug in the bonnet vent connection until it s just short of finger tight The purpose is to obtain the smallest...

Страница 29: ...ig 6 89 barg 1 Set 100 psig 6 89 barg 1 D 24 2 Notches 6 Notches E 24 2 Notches 6 Notches F 24 2 Notches 6 Notches G 30 2 Notches 6 Notches H 30 2 Notches 6 Notches J 30 2 Notches 8 Notches K 32 8 Not...

Страница 30: ...Increase differential Solids trapped on seat Lift lifting lever if equipped or inspect for seat damage Mechanical binding See Closing Hang up Improper assembly Remove valve and inspect parts Valve ov...

Страница 31: ...reserved Plain Lever Packed Lever Bolted Cap Screwed Cap Weather Shield recommended for outdoor service on P3 series steam valves Also available with weather hood for cap Packed Lever with Gag XVIII...

Страница 32: ...Holder XIX Maintenance Tools and Supplies Table 13 Pin Spanner Wrench Dimensions Valve Orifice Pin Spanner Wrench Part No Radius Pin in mm in mm D thru G 750 19 05 219 5 56 4451801 H 875 22 23 234 5 9...

Страница 33: ...ensions Orifice in mm Part No D thru J 1 750 44 45 1672805 K L 2 625 66 68 1672807 M N 3 813 96 85 1672808 P 4 188 106 38 167210 Q R 5 500 139 70 167212 T 7 000 177 80 167213 Table 16 Lapping Compound...

Страница 34: ...rupted operational time which can be expected by stocking predetermined valve component classifications Determine need probability coverage which is compatible with a specific company s operational ob...

Страница 35: ...N SIZING THE DISCHARGE SYSTEM Your safety is our business Baker Hughes has authorized no company nor individual to manufacture replacement parts for our valve products When ordering replacement parts...

Страница 36: ...Pin Gasket P1 P3 C B 1 1 1 Bellows Gasket P1 B 1 1 Class II Disc Holder P1 P3 C B 1 6 85 percent Spindle P1 P3 C B 1 6 Guide P1 P3 C B 1 6 Studs Base P1 P3 C B 1 set 6 Nuts Base Stud P1 P3 C B 1 set 6...

Страница 37: ...er Hughes Consolidated factory maintains a Repair Center The repair department in conjunction with the manufacturing facilities is equipped to perform specialized repairs and product modifications e g...

Страница 38: ...38 Baker Hughes 2020 Baker Hughes Company All rights reserved Notes...

Страница 39: ...Consolidated 1900 P Series Safety Valves Instruction Manual 39 2020 Baker Hughes Company All rights reserved Notes...

Страница 40: ...ker Hughes logo Consolidated Green Tag Eductor Tube Advantage and Thermodisc are trademarks of Baker Hughes Company Other company names and product names used in this document are the registered trade...

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