Baker Hughes Consolidated 1900 Series Instruction Manual

Safety relief valves with eductor tube advantage

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1900/1900 DM Series

Safety Relief Valves

The Eductor Tube Advantage™

Instruction Manual (Rev. P)

Baker Hughes Data Classification : Public

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Page 1 1900/1900 DM Series Safety Relief Valves The Eductor Tube Advantage™ Instruction Manual (Rev. P) Baker Hughes Data Classification : Public...
Page 2 REFERENCE INFORMATION IN ADDITION TO THE CUSTOMER/OPERATOR’S NORMAL OPERATION AND MAINTENANCE PROCEDURES. SINCE OPERATION AND MAINTENANCE PHILOSOPHIES VARY, BAKER HUGHES (AND ITS SUBSIDIARIES AND AFFILIATES) DOES NOT ATTEMPT TO DICTATE SPECIFIC PROCEDURES, BUT TO PROVIDE BASIC LIMITATIONS AND REQUIREMENTS CREATED BY THE TYPE OF EQUIPMENT PROVIDED.
Page 3: Conversion Table
Note: Multiply USCS value with conversion factor to get metric value. Notice! For valve configurations not listed in this manual, please contact your local Green Tag™ Center (GTC) for assistance. © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 4: Table Of Contents
Consolidated 1900 Series Safety Relief Valve ........
Page 6: Product Safety Sign And Label System
Do not this will result in severe avoid possible severe prevent possible injury drop or strike. personal injury or personal injury or death. death. © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 7: Safety Alerts
Contact with pressurized or heated parts can result in severe personal injury or death. © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 8: Safety Notice
Therefore customers contracting such repair services from unauthorized sources must do at their own risk. Unauthorized Removal of Seals: All new valves and valves repaired in the field by Baker Hughes Field Service are sealed to assure the customer of our guarantee against defective workmanship. Unauthorized removal and/or breakage of this seal will negate our warranty.
Page 9: Terminology For Safety Relief Valves
90% of the set pressure. However, on pump and compressor discharge lines, the differential required between the operating and © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 10: Handling And Storage
Never lift the full weight of the valve by the valve in place. lifting lever. ATTENTION! Do not rotate the valve horizontally or lift/carry using the lifting lever. 10 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 11: Design Features And Nomenclature
1900 Universal Media shall be inspected, disassembled, reassembled, tested, installed, operated and maintained per the instructions of the 1900 Dual Media. | 11 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 12: Consolidated 1900 Series Safety Relief Valve
Figure 1: Conventional Metal Seat Valve Cap Gasket Eductor Tube Bonnet Plug Limit Washer 1. Refer to page 33 and Figure 30 for more details. Figure 2: DM Metal Seat Valve 12 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 13: Standard Cap Types
Packing Nut Top Lever Drop Lever Sealing Plug Sealing Plug Gasket Figure 4: Plain Cap Figure 6: Cap with Gag Figure 5: Bolted Cap | 13 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 14: Bellows Metal Seat Valve
Figure 7: Bellows Metal Seat Valve Construction Bellows Bellows gasket 1. Refer to page 33 and Figure 30 for more details. Bellows Flange Bellows Bellows Ring Figure 8: Bellows Assembly 14 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 15: V-W Bellows Metal Seat Valve
Figure 9: V and W Orifice Valve Construction Bellows Bellows gasket Overlift Restrictor Guide RIngs Compression Screw Spring Plunger Clevis Lockscrew Washer (Bellows) Retainer Screw Lockwasher | 15 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 16: Soft Seat Valve
Figure 10b: 1900 DM, D-U Orifice Part Nomenclature Nozzle Adjusting Ring Disc Disc Retainer Disc Holder Bellows O-Ring Retainer Lockscrew O-Ring Retainer O-Ring Seat Seal Figure 10: Soft Seat Valve Construction 16 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 17: Thermodisc
Consolidated 1900 Series Safety Relief Valve (Cont.) F. thermodisc Figure 11a: thermodisc Figure 11: thermodisc Valve Construction Part Nomenclature Nozzle Adjusting Ring Disc Disc Retainer Disc Holder | 17 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 18: Cryodisc
Consolidated 1900 Series Safety Relief Valve (Cont.) G. Cryodisc Figure 12a: Cryodisc Figure 12: Cryodisc Valve Construction Part Nomenclature Nozzle Adjusting Ring Cryodisc Disc Retainer Disc Holder 18 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 19: Recommended Installation Practices
The determination of reaction forces during valve discharge is the responsibility of the vessel and/or piping designer. Baker Hughes publishes certain technical information about reaction forces under various fluid flow conditions, but assumes no liability for the calculations and design of the inlet piping.
Page 21: Disassembly Of 1900 Series Safety Relief Valves
• Record the number of notches that pass the ring pinhole before the ring contacts the disc holder. ATTENTION! This procedure does not substitute for actual pressure testing. | 21 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 22 Remove the stud nuts (14) and lift off the bonnet Disc Holder (11). Guide ATTENTION! Top of Base Set the valve using the setting procedures after reassembly Figure 16: Lifting Tools for M through U Orifice 22 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 23 Disc should dislodge The nozzle (2) is normally removed for from disc holder. routine maintenance and service. | 23 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 25: Maintenance Instructions
Nozzle laps (See Figure 22) are available from damaged valve seating surfaces, machining will Baker Hughes. Do not use these laps if the valve be required before lapping. O-ring seat seal valve nozzle can be removed and machined to the nozzles can only be reconditioned by machining, proper seat dimensions (see Tables 1a and 1c).
Page 26: Lapped Nozzle Seat Widths
3.30 – 3.81 251 – 300 17.30 – 20.68 .150 – .160 3.81 – 4.06 1. + .005" (0.13 mm) per 100 psig (6.89 barg) [.070"(1.78 mm) ± .005"(0.13) max] 26 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 27 3. For 1900DM/UM Soft Seat, the nozzle seat shall not be lapped and left at the 5-degree angle. The corner should be inspected to ensure its rounded. The corner should be deburred if needed. | 27 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 28: Lapping Disc Seats
ATTENTION! Before assembly, lap the contact surfaces of the nozzle, soft-seat disc (DM DA) and O-ring retainer to provide metal-to-metal seat tightness in the event of O-ring failure. 28 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 29: Lapping O-Ring Seating Surfaces
H. Re-Machining Nozzle Seats and Bores 1. Remove the nozzle (2) from the valve to be LAPPING PLATE RING LAP Figure 24: Lapping Pattern | 29 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 30: Re-Machining The Disc Seat
Washer smoothest possible finish. Seat Seat The disc (6) is now ready for lapping. • Discard the disc if the minimum dimension N Figure 28: V-Block Support Setup 30 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 31: Checking Lift On Restricted Lift Valves
30% of the full rated capacity or .080˝ (2.03 mm). Figure 29: Valve Nameplate (Note: Lift value to be obtained from NB-18 document) | 31 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 32 60 and below 5.15 and below 61 and above 5.21 and above 40 and below 3.77 and below 41 and above 3.84 and above K - W ALL PRESSURES 32 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 33 0.100 in. 0.100 in. .067 in. .080 in. 0.119 in. 0.139 in. 0.100 in. 0.093 in. 0.139 in. 0.139 in. .105 in. .130 in. | 33 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 34 Bellows Limit Washer Limit Washer Measured Lift Disc Holder Bellows Ring Bellows Gasket Limit Washer Length Disc Holder Conventional Bellows Figure 30: Determining Lift and Limit Washer Length 34 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 35: Inspection And Part Replacement
.008" (0.19 mm) (D, E, F orifice), .009" (0.23 mm) (G orifice), or .011" (0.27 mm) (H orifice) minimum thickness of the cryogenic disc lip cannot be measured, replace the Cryodisc. | 35 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 36 Nozzle Bore Nozzle Nozzle Bore Bore Figure 31a: Figure 31b: Figure 31c: Metal Seated Nozzle O-Ring Seal Nozzle DM Soft-Seat O-Ring Nozzle Figure 31: Metal Seated and O-Ring Nozzles 36 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 37 2.36 45˚ 0.53 5.46 129.41 127.92 -.152 +.000 19.0 158.34 153.42 2.36 0.53 3.61 158.42 156.82 -.178 44.5 8.89 280.90 266.30 8.84 30˚ | 37 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 38 If an old style nozzle is machined to the new configuration, it should be done to a 63 micro inch finish and shall be concentric and parallel to the original centerline within .004” (0.10 mm) T.I.R. 38 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 39 Type 3 0.822 20.88 .015 0.38 1.888 47.96 .267 6.78 0.822 20.88 .015 0.38 1.125 28.57 .015 0.38 Type 3 1.692 42.97 .015 0.38 | 39 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 40 Figure 34: Cryodisc Design (D-U Orifices) 0.009 0.23 0.011 0.27 0.019 0.48 0.023 0.58 0.026 0.67 0.034 0.86 0.037 0.94 0.046 1.17 0.051 1.29 0.061 1.55 0.094 2.39 0.101 2.57 40 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 41: Disc Holder Inspection Criteria
Figure 35f: Detail 6 O-Ring Liquid Service (DALA Dual Media Service Design) - H and J Orifice (DM Design) Figure 35: Disc Holder Designs | 41 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 42 3.947 100.25 3.947 100.25 5.191 131.85 5.191 131.85 6.153 156.29 6.153 156.29 7.833 198.96 7.833 198.96 8.432 214.17 8.432 214.17 10.340 262.64 10.340 262.64 12.972 329.49 12.972 329.49 42 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 43 Adjusting Ring Designed to provide high lift and capacity with stable operation on Nozzle liquid media. Figure 36: 1900 Series Liquid Service (LA) Internals | 43 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 44: Guide Inspection Criteria
2. Guide and disc holder assembly: The disc holder and the guide may be retained provided their diametrical clearance falls within the limits within the table. If the fit between the assembled parts is outside the allowable clearance, replace either component or both to provide proper assembly clearance. 44 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 45: Spring Inspection Criteria
– .047" (1.19 mm) for springs with an ID of 4" (100 mm) or greater. Top of Spring Bottom of Spring Figure 37: Spring Allowed Tolerance | 45 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 46: Reassembly Of 1900 Series Srv
(see Figure 38) to determine O-ring material and “as-built” part number. THIS VALVE CONTAINS AN O-RING SEAT SEAL O-RING MATERIAL O-RING PART NO. Figure 38: Valve O-Ring Tag 46 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 47: Reassembly Procedure
(8), remove the disc retainer (7) from the back of the disc. On restricted lift valves, install the limit washer with the chamfered side down. | 47 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 48 Contact the factory for procedure on how to use the Ensure the spindle turns freely. setting device. – Lift complete assembly and carefully lower it into the valve base (1). 48 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 49 ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- ---- | 49 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 50 The valve is now ready for setting and testing. Table 12: Torque Required for Each Round of Pattern Round Percentage of Required Torque Wrench Tight 50 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 51 30 Notches 38 Notches 6 Notches 19 Notches – – – 10 Notches 30 Notches 1. Valve serial numbers are alphabetically and numerically chronological. | 51 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 52 15-25 1.03-1.7 26-50 1.79-3.44 51-100 3.5-6.8 101+ 6.9+ 15-25 1.03-1.7 26-50 1.79-3.44 51-100 3.5-6.8 101+ 6.9+ 1. Measured in number of notches down from touching the disc holder. 52 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 53 (3). bind the adjusting ring. If binding occurs, cut the adjusting ring pin until adjusting ring moves freely from side-to-side within the notch. | 53 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 54: Setting And Testing
Valves to be used in saturated steam service are tested on saturated steam. Therefore, no CDS is required. However, valves in superheated steam service are tested on saturated steam and require a CDS. 54 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 55 Multiplier (see Table 17) ....X1.014 to remain constant for valves with variable Cold Differential Set Pressure 405.6 psig (27.97 barg). superimposed backpressure. | 55 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 56: Setting The Pressure
3. Use the tubing to take a leakage measurement. slowly release the compression on the spring by turning the adjusting screw counterclockwise until 56 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 57 Set > 100.0 Set > 68.95 95% of Set 95% of Set 1. Set pressures below 15 psig are outside the scope of API 527. | 57 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 58: Recommended Backpressure Testing For Joint Leakage
If the valve internals have been disturbed, it is necessary to retest in accordance with the instructions within this manual. Otherwise, repeat the backpressure tests outlined above. 58 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 59: Hydrostatic Testing And Gagging
Packing Adjusting Screw Screw Locknut Lifting Fork Drop Lever Spindle Cap Bolt Adjusting Screw Spindle Figure 42: Plain Lever Figure 43: Packed Lever | 59 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 60: Troubleshooting 1900 Series Srvs
Inspect valve and installation. Improper installation or valve sizing. Check for piping restrictions. Check required capacity. Chatter Built-up back pressure. Check outlet piping. Improper ring setting. Check ring setting. 60 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 61: General Information
H orifices only). Upper spring washer, no change. 9. Drill .719˝ (18.26 mm) dia. on bonnet boss and tap 9. Bonnet vent plugged (if desired). 1/2" N.P.T. (as required) | 61 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 62 1. Valves manufactured after 1980 are furnished with bonnet vent machined. 2. J, N, P orifice valves manufactured after 1981 are furnished with threaded disc holder and reduced guide bore for balanced bellows conversion. 62 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 63: Conversion From Bellows To Conventional Type
Note: When indicated at surfaces D and E (see Figure 46), run out at surface F is not to exceed .005˝ (.127 mm) full indicator reading. | 63 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 64: Optional Glide-Aloy Parts
Processing of Such Components Baker Hughes’ experience indicates that if the Glide-Aloy is a proprietary process of Baker Hughes utilized to provide a combination of a low coefficient components have been properly cleaned, adequate of friction between sliding components and to protect coating will remain to ensure proper operation.
Page 65: Maintenance Tools And Supplies
3. Ring laps - One set of three (3) ring laps is recommended for each orifice to assure ample flat laps are available at all times. | 65 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 66: Lapping Tools
(6) from the disc holder (8) (see Figure 47 and Table 27a). Lifting Tools - Lifting tools are used for the removal of the upper internal parts of larger valves (see Table 27b). 66 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 67: Replacement Parts Planning
70% of all instances). Figure 48: Typical Valve Nameplate | 67 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 68: Genuine Consolidated Parts
• Consolidated valve products have been in service PART NO. since 1879 Figure 49: Typical Valve Nameplate • Baker Hughes has worldwide service • Baker Hughes has fast response availability for parts PSV NUMBER P. O. NUMBER REQN NUMBER Figure 50: Optional Tag Number Nameplate When the SRV is repaired, a metal repair nameplate (see Figure 51), Board “VR”...
Page 69: Recommended Spare Parts For 1900 Series Srvs
1. For restricted lift valves only. Your Safety is our Business Baker Hughes has not authorized any company or any individual to manufacture replacement parts for its valve products. When ordering replacement valve parts, please specify in your purchase order: “ALL PARTS MUST BE DOCUMENTED AS NEW AND SOURCED FROM Baker Hughes.”...
Page 70 1. For restricted lift valves only. Your Safety is our Business Baker Hughes has not authorized any company or any individual to manufacture replacement parts for its valve products. When ordering replacement valve parts, please specify in your purchase order: “ALL PARTS MUST BE DOCUMENTED AS NEW AND SOURCED FROM Baker Hughes.”...
Page 71: Manufacturer's Field Service, Repair And Training Program
For further information, please contact your local Green Tag Center. | 71 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 72: Appendix A - 1900 Dm Soft Seat Disc Retainer Assembly
15 (1.69) 10 (1.13) 15 (1.69) 10 (1.13) 15 (1.69) 10 (1.13) 18 (2.03) 18 (2.03) 18 (2.03) 18 (2.03) 18 (2.03) 18 (2.03) 18 (2.03) 18 (2.03) 72 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 73: Appendix B - 1900 Dm Soft Seat (Da) Disc Retainer Assembly Fixture Drawings
Leg Rods RCH 120 Enerpac Swagelok Enerpac Thread Adaptor Guide Rods Top Plate .750-10UNC Nut Cylinder Disc O-Ring Retainer Lock Screw Orifice Adaptor | 73 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 74 Figure 53: U Ofifice Disc Assembly Item Nomenclature Qty. Bottom Plate Leg Rods RCH 120 Enerpac Swagelok Enerpac Thread Adaptor Guide Rods Top Plate .750-10UNC Nut Cylinder Disc O-Ring Retainer Lock Screw 74 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 75: Soft Seat Assembly Fixture Component Drawings
Soft Seat Assembly Fixture Component Drawings Figure 54: Top Plate Figure 55: Bottom Plate Figure 56: Leg Rods Figure 57: Guide Rods | 75 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 76 Orifice Adaptor Drawings Figure 58: Orifice DEFGHJ Adaptor Figure 59: Orifice KLM Adaptor Figure 60: Orifice NP Adaptor Figure 61: Orifice QR Adaptor 76 | © 2024 Baker Hughes Company. All rights reserved. Baker Hughes...
Page 77: Cylinder And Enerpac Thread Adaptor Drawings
4.200 [106.68] Figure 62: Cylinder 1900 DM Ø "A" Design DEFGHJ 1.375 [34.93] 2.250 [57.15] 2.250 [57.15] 2.938 [74.61] Figure 63: Enerpac Thread Adaptor | 77 © 2024 Baker Hughes Company. All rights reserved. Consolidated 1900/1900 DM Series SRV Instruction Manual...
Page 80 Copyright 2024 Baker Hughes Company. All rights reserved. Baker Hughes provides this information on an “as is” basis for general information purposes. Baker Hughes does not make any representation as to the accuracy or completeness of the information and makes no warranties of any kind, specific, implied or oral, to the fullest extent permissible by law, including those of merchantability and fitness for a particular purpose or use.

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