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Weir Safety Iron, Operating And Maintenance Instructions Manual

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Weir Safety Iron Operating And Maintenance Instructions Manual Download Page 5

Document P/N: 

2P42520 

Release Date: 

07/11/2016 

Revision: D 

 

                         

5 of 22 

 

 

This service manual covers: 

 

Parts List 

Item 

Size   

(in) 

Pressure (PSI) 

Assembly 

PN 

Bolt 

Bolt 

Retainer 

Clamp 
(Plain) 

Soft/Hard 

Seal 

Clamp 

(Threaded)

 

 

 

1 

2 

3 

4&5 

6 

2” 

15,000 

2A25919 

2P25242 

2P25243 

2P25918 

2A39288 

2P25916 

3” 

15,000 

2A25917 

2P25247 

2P25248 

2P25904 

2A39290 

2P25910 

4” 

10,000 

2A25927 

2P25247 

2P25248 

2P25921 

2A39294 

2P25922 

4” 

15,000 

2A25402 

2P25233 

2P25234 

2P24728 

2A39298 

2P25232 

Reference Exploded View of Assembly on Page 7 

 

Seal Ring Kits: 

 

Seal Ring Kits 

Size (in) 

Pressure (PSI) 

Kit Part Number 

Type of Seal 

Hard Seal 

Soft Seal 

2” 

15,000 

2A39288 

Buna 

2P38948 

2P28294 

2A39289 

Viton 

2P38948 

2P25702 

3” 

15,000 

2A39290 

Buna 

2P38949 

2P28292 

2A39291 

Viton 

2P38949 

2P25704 

4” 

10,000 

2A39294 

Buna 

2P38947 

2P27767 

2A39295 

Viton 

2P38947 

2P28020 

4” 

15,000 

2A39293 

Buna 

2P38949 

2P28292 

2A39296 

Viton 

2P38950 

2P25377 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

SECTION I: General Information 

Summary of Contents for Safety Iron

Page 1: ...h it has been provided without the prior written consent of the copyright owner SPM SAFETY IRON SAFETY HAMMER SUR DROP DESTINY STAMPEDE DURALAST and GLADIATOR are trademarks and or registered trademarks of S P M Flow Control Inc WEIR and WEIR logo are trademarks and or registered trademarks of Weir Engineering Services Limited Certain features of some of the products disclosed in this document may...

Page 2: ... functionality when exposed to fire WARNING MISUSE SIDE LOADING IMPROPER MAINTENANCE OR DISASSEMBLY UNDER PRESSURE CAN CAUSE SERIOUS BODILY INJURY DEATH OR PROPERTY DAMAGE The following information is given in good faith and should aid in the safe use of your SPM products This information is not meant to replace existing Company s safety policies or practices Personal Responsibilities 1 When worki...

Page 3: ...ice Only SPM replacement parts should be utilized Failure to do so may result in loss of warranty as well as SERIOUS BODILY INJURY DEATH OR PROPERTY DAMAGE Special Precautions 1 Modifications to or unauthorized repair of any part of a SPM product or use of components not qualified by Weir Oil Gas can lead to damage or failure resulting in SERIOUS INJURY OR DEATH 2 All SPM threaded components are r...

Page 4: ...ECTION 8 ENGINEERING REFERENCE DOCUMENTS 9 TEMPERATURE RATING 9 SECTION II INSTALLATION AND OPERATION 10 INSTALLATION EQUIPMENT ACCESSORIES SPECIFICATIONS 10 IMPACT WRENCH SPECIFICATIONS 11 SAFETY IRON BOLT TORQUE VALUES 13 MINIMUM AIR REQUIREMENTS 13 SECTION III ASSEMBLY OF COMPONENTS 16 FLOW LINE INSPECTION 19 SECTION III DISASSEMBLY 20 TROUBLESHOOTING GUIDE 21 SECTION IV SERVICE AND SUPPORT 22 ...

Page 5: ... 2P25247 2P25248 2P25921 2A39294 2P25922 4 15 000 2A25402 2P25233 2P25234 2P24728 2A39298 2P25232 Reference Exploded View of Assembly on Page 7 Seal Ring Kits Seal Ring Kits Size in Pressure PSI Kit Part Number Type of Seal Hard Seal Soft Seal 2 15 000 2A39288 Buna 2P38948 2P28294 2A39289 Viton 2P38948 2P25702 3 15 000 2A39290 Buna 2P38949 2P28292 2A39291 Viton 2P38949 2P25704 4 10 000 2A39294 Bun...

Page 6: ...r to make up and break down a connection while providing stronger more durable connections that are less fatiguing for the user Available in a broad range of configurations for use in high pressure applications these products are built to exact specifications and meet the most rigorous quality standards from third parties such as DNV SPM Safety Iron products are available in 2 3 and 4 sizes with p...

Page 7: ...Document P N 2P42520 Release Date 07 11 2016 Revision D 7 of 22 SPM Safety Iron Exploded View Parts List ID Description 1 Bolt 2 Bolt Retainer 3 Clamp Plain 4 Soft Seal 5 Hard Seal 6 Clamp Threaded ...

Page 8: ... union counterparts Since no parts are being forced or struck on a regular basis the parts do not wear very quickly However certain features should be inspected prior to use Qualified personnel should review the overall installation before every use a Flange faces should be free of significant burrs gouges dents dirt and cracks The outer surfaces are precision machined to fit against the clamp inn...

Page 9: ...ty Iron connections and equipment k Weld repair is prohibited for SPM Safety Iron products Engineering Reference Documents The following list of SPM Engineering documents serves as guidelines when working with Safety Iron products It is important that all are adhered to and are completed by a qualified technician ENG 051 SPM Safety Iron Clamp Assembly Union Inspection ENG 052 SPM Safety Iron Seal ...

Page 10: ...onnections should be initially made up with an approved power wrench d All SPM Safety Iron connections except 4 15K should be torqued using a SPM Torque Regulating Bar 4 15K Safety Iron does not require regulating bar for assembly This device should be verified by an approved calibrated manual torque wrench once during each job This manual torque wrench should be periodically calibrated to verify ...

Page 11: ... torqued such that they fall within 50 ft lbs of the listed torque for each size of Safety Iron This is best achieved by employing the SPM Torque Regulating Bar 4 15K does not require TRB Impact Wrench Specifications Safety Iron Size Pressure Rating PSI Drive Size in Torque Capacity ft lbs 2 15K 1 2 50 to 400 3 15K 3 4 300 to 1000 4 10K 3 4 300 to 1000 4 15K 3 4 300 to 1000 Torque Regulating Bar T...

Page 12: ...xt impulse from the impact gun can be applied the shaft will spring back Any further attempts to tighten the bolt will only result in the shaft flexing in sync with the blows from the impact wrench The extension is easily attached to the impact wrench using a 3 4 square male female drive with a socket retainer The additional reach offered by the extension also helps to reduce worker fatigue The To...

Page 13: ...n Bolt Torque values D Minimum Air Requirements In order for the impact wrenches and the TRB to function as intended minimum air requirements must be met SPM recommends 45 SCFM per impact wrench with an air pressure measured at the impact wrench of 90 psi Failure to supply these minimum requirements will not allow the wrench to achieve the rated bolt torque and will increase assembly time do to st...

Page 14: ...haracteristics of impact wrenches the torque level achieved by the torque stick should be verified before each job It is important that a regulator be installed on the compressor to allow for adjustments necessary to complete the calibration procedure a Adjust the air pressure delivered to the impact wrench so that the tool is operating at 90 100 psi at the tool when the trigger is pulled Note the...

Page 15: ...t Size SPM Safety Iron comes with specified bolt hex head sizes Sockets to tighten these bolts are required to match perfectly The following sockets should come at a minimum with a 1 2 drive Bolt Hex Head Sizes Safety Iron Size Pressure Rating PSI Socket Size in 2 15K 1 1 2 3 15K 1 1 16 4 10K 1 11 16 4 15K 2 1 16 Bolt Hex Head Sizes ...

Page 16: ...wn SPM Safety Iron 1 Verify the internal and external surfaces of the SPM Safety Iron flanges are clean and lubricated with multi purpose grease or heavy oil 2 Verify that the seal ring outside surfaces are clean and lubricated with multipurpose grease This will ease removal at the time of dis assembly Insert the seal ring assembly into the bore of one of the SPM Safety Iron flanges 3 Pull the two...

Page 17: ...g assembly should it be dropped 5 Set the plain clamp with captive bolts on top of the SPM Safety Iron flanges orienting it so that the bolts easily seat against the threaded holes in the threaded clamp All fixed manifold applications will require striking the top of the upper clamp with a dead blow hammer prior to tightening the bolts This action will ensure the clamp is fully seated and will red...

Page 18: ...xtension 8 Tighten the bolts using an alternating pattern in which the bolts are incrementally rotated to ensure each thread engagement length is similar Continue this until the bolts no longer rotate 9 Verify that the torque applied to the bolts is within the allowable range for each size This is to be accomplished by testing the first connection see Calibration Procedure using a standard torque ...

Page 19: ...that may have been loosened to allow for adjustment during the installation process were properly re tightened One way to ensure that an equal amount of torque is being applied to the assembly the gap between the clamp halves must be approximately the same on both sides as shown below This is only to be used as a sanity check after torqueing the assembly If there is a significant difference in the...

Page 20: ... one bolt to about its halfway point then loosen the other the same amount 2 Loosen the first bolt all the way followed by the other bolt Completely disassemble the connection and store the components as desired It is recommended that clamp halves be bolted together for storage to keep bolt threads from being damaged as shown below Care should also be taken to minimize damage to the metal seal rin...

Page 21: ...ead Due to rough treatment the heads on older bolts may become worn or deformed Check the hex head on the bolt to ensure that it is clear of obvious protrusions Replace bolt as needed Incorrect impact socket size Ensure that you are using the proper impact socket size for the particular size of Safety Iron Warped Safety Iron clamps Excessive overpressure Excessive overpressure may warp Safety Iron...

Page 22: ... Worth TX 76108 USA Tel 1 800 342 7458 Fax 817 977 2508 www global weir Copyright 2016 S P M Flow Control Inc All rights reserved S P M Flow Control Inc is the owner of the copyright and all confidential information in this document which must not be copied in whole or in part in any form or by any means and the information in it must not be used for any purpose other than the specific purpose for...

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