Low Emission Packing Owner S Manual Garlock-Books Pdf

Low Emission Packing Owner s Manual Garlock
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1 Garlock Low Emission Packing Installation,1 1 Valve Condition Assessement 2. 1 2 1303 FEP Spool Stock 3,1 3 1303 FEP Die formed ring set 5. 1 4 212 ULE 7,1 5 9000EVSP with 1303 FEP end rings 9. 1 6 9001 QS with 1303 FEP end rings 11,1 7 Cycle and Adjustment Procedure 12. 2 Packing Performance Considerations 13,3 Troubleshooting 14.
4 Common Causes for Packing Failure 17,6 LOW E Packing Warranty 19. 7 Packing Installer Program 20, 8 Gland Bolt Torque Calculation Method Appendix A 21. 9 Valve Stem Packing S A F E Tags Appendix B 21,Garlock Low Emission Compression Packing. Garlock Low Emission Packing,1 GARLOCK LOW EMISSION PACKING INSTALLATION. These guidelines and instructions are applicable to our valve. stem packing products when best sealing is desired for. fugitive emission control Refer to our General Valve Packing. Instructions available on our website to find installation. instructions for steam or other applications requiring different. performance considerations, CAUTION Follow all plant safety procedures to ensure valve is out.
of service and can be handled safely before moving forward with. installation Review below instructions carefully before proceeding. with packing replacement,1 1 VALVE CONDITION ASSESSMENT. Packing is designed to conform under axial load and generate. radial load on stem and inside of the stuffing box A smooth. surface will create the best seal with the packing and allow it. to consolidate and fill any void properly when loaded by the. gland follower Therefore it is necessary to assess conditions. of all the parts of the valve involved and fix or replace what is Inspect gland flange It should be straight. necessary Here are important features to verify, Inspect fasteners These need to be in new or near new. Inspect Stuffing box and stem Both should be clean and condition to ensure that torque load is transferred properly. be free of burrs pitting scoring or corrosion on surface to gland follower and packing set Gland bolts and nuts shall. The box bottom should be flat If box bottom is beveled run freely on the threads Before fastening and tightening. we recommend the use of a system compatible braided an anti seize lubricant needs to be applied on gland nuts and. packing ring to be installed at the bottom of the stuffing bolts Use of hardened flat washers is highly recommended. box before the bushing if one is necessary Unless the to prevent wear and damage to fasteners and gland flange. bushing is already designed to accommodate the bottom The lubricant shall not contain any potential volatile organic. beveled angle of the box compounds VOC, The valve stem surface should be smooth and not present. scratches pits or scores Any found shall not exceed 0 002. 051 mm depth and or depth to width ration greater than. Stem surface finish recommended 16 32 inch 0 40,0 81 m AARH. Stuffing box inner surface should be smooth and not. present scratches pits or voids found to be deeper than. 0 006 152 mm For best FE sealing a bore finish 63,inch 1 60 m AARH or less is recommended Bore.
finish shall not exceed 125 inch 3 20 m AARH, Valve stem warpage runout must be checked over of the. entire length of the stem and shall not exceed 0 001 in in. Inspect gland follower and packing bushing or spacer if. applicable The surface in contact with packing should be. flat The inside diameter ID to stem clearance should not. exceed 060 1 52 mm The outside diameter OD to,stuffing box bore should not exceed 030 76 mm. Leaders in Sealing Integrity,Garlock Low Emission Compression Packing. Garlock Low Emission Packing, 1 2 1303 FEP BRAIDED SPOOL STOCK PACKING INSTALLATION. Packing is available on a spool and needs to be cut into lengths. to form rings, 1 Raise the valve to the full open position 7 Apply compression to the Compress packing by.
Remove all of the old packing from the lower rings in the set when applying appropriate gland. load using a torque wrench, stuffing box and dispose properly possible If the gland follower. 2 Inspect stuffing box for wear and cleanliness will reach down to contact the. Replace worn parts and clean as required to second ring then use it to apply. meet stuffing box condition requirements compression by tightening. see in above section 1 1 valve condition down on the gland bolts to the. assessment minimum recommended torque,see below equation 1 2 1 If the. 3 Determine packing size by,gland follower does not contact. measuring stem diameter,the second packing ring then. inner dimension and stuffing,insert a proper size bushing.
box bore diameter outer,in the stuffing box and again. dimension Subtract inner,apply compression by tightening. dimension from outer dimension and divide by two for the. down on the gland bolts to the,cross sectional size of packing. minimum recommended torque, 4 Measure the stuffing box depth Remove the bushing after this. The packing shall be a 5 ring compression step,set As a reference packing.
8 Follow step 6 to install 2 more rings carefully offsetting the. needs to be compressed 30, seam as indicated Use gland follower to apply pressure. minimum during install Use a bushing to fill stuffing box if. as instructed in 7 Verify that gland follower is equally. depth is greater than height of uncompressed packing set. centered around the stem during tightening process or. A bushing should also be used if the gland follower is short. it will result in side loading the packing and or possible. and gland flange could bottom out leaving no room for future. contact with the stem, adjustment Garlock 1998 EZ Bushing or a split metallic or. machined carbon bushing can be used 9 Install final ring and apply the minimum recommended. torque to packing set with gland nuts using a torque. 5 Cut packing into individual rings by using a mandrel with. wrench Alternately tighten the nuts until the desired. the same diameter as the,torque is reached,stem or a packing cutter It is. recommended to do a bevel 10 Check to make sure there is a minimum of 0 125 3 2. or skive cut if this can be done mm gland follower penetration into the stuffing box and. with care on a mandrel that there is sufficient gland follower length remaining for. future adjustment,6 Install one ring at a time seating. each ring firmly Insert 11 Perform a cycle and adjust procedure see Section 1 6. first ring of packing Gland nut torque should be re checked and re adjusted. into the stuffing box if necessary within 2 weeks after putting the valve into. noting the location of service, the ring seam Push 12 Attach a tag to the valve for recording.
this ring down till it a Final gland nut torque manufacturers recommended. contacts the bottom load, of the stuffing box b Date of the completed installation. Install the second ring, c Date of the follow up gland nut torque check and. of packing offsetting,measured or re torque load if applicable. the seam of this ring by 90 degrees clockwise from that of. the previous ring Push this ring down until it contacts the. ring below it Do not lubricate the packing rings If help is required for appropriate bushing sizing please consult. Garlock representative, If a torque wrench is not readily available a work around. compromise would be to apply 30 compression,Leaders in Sealing Integrity.
Garlock Low Emission Compression Packing,Garlock Low Emission Packing. EQUATION 1 2 1 FOR MINIMUM RECOMMENDED,TORQUE GLAND LOAD. Torque 111 3 D2 d2 B,T Torque on each bolt FT LBS,D Bore diameter inches. d Stem Diameter inches,Gland bolt diameter inches,B Number of gland bolts. The torque calculated by this equation will yield a gland. load of 8500 psi, A detailed explanation of the torque calculation can be.
found in Appendix A, These are general instructions intended for qualified valve stem packing. installer If in doubt installer should get assistance from qualified. installer familiar and trained for this kind of installation or can contact. a Garlock representative Product style should be used according to. specifications User assumes the responsibility of choosing and using a. specific product into particular service conditions. Leaders in Sealing Integrity,Garlock Low Emission Compression Packing. Garlock Low Emission Packing,1 3 1303 FEP DIE FORMED PACKING SET INSTALLATION. 1 Raise the valve to the full open position 8 Install final ring and apply Compress packing by. Remove all of the old packing from the recommended load to packing applying appropriate gland. load using a torque wrench, stuffing box and dispose properly set with gland nuts using a. 2 Inspect stuffing box for wear and cleanliness torque wrench Alternately. Replace worn parts and clean as required to tighten the nuts until the desired. meet stuffing box condition requirements torque is reached. see in above section 1 1 valve condition 9 Check to make sure there is a. assessment minimum of 0 125 3 2 mm, 3 Verify fit of packing size by gland follower penetration into.
measuring stem diameter the stuffing box and that there. inner dimension and is sufficient gland follower, stuffing box bore diameter remaining for future adjustment. outer dimension Subtract 10 Perform a cycle and adjust. inner dimension from outer procedure see below Section. dimension and divide by two 1 6 Gland nut torque should. for the cross sectional size of packing be re checked and re adjusted. 4 Measure the stuffing box if necessary within 2 weeks after putting the valve into. depth Die formed packing service, will be compressed 25 11 Attach a tag to the valve for recording. minimum during install Use a a Final gland nut torque manufacturers recommended. bushing to fill stuffing box if depth is greater than height of load. uncompressed packing set A bushing should also be used. b Date of the completed installation, if the gland follower is short and gland flange could bottom. out leaving no room for future adjustment Garlock 1998 EZ c Date of the follow up gland nut torque check and. Bushing or a split metallic or machined carbon bushing can measured or re torque load if applicable. 5 Install one ring at a time seating each ring firmly Insert first. ring of packing into the stuffing box noting the location. of the ring seam Push this ring down until it contacts the. bottom of the stuffing box Install the second ring of packing. offsetting the seam of this ring by 90 degrees clockwise. from that of the previous ring Push this ring down until it. contacts the ring below it Do not lubricate the packing rings. 6 Apply compression to the lower rings in the set when. possible If the gland follower will reach down to contact the. second ring then use it to apply compression by tightening. down on the gland bolts to the minimum recommended. torque see below equation 1 3 1 If the gland follower. does not contact the second packing ring then insert a. proper size bushing in the stuffing box and again apply. compression by tightening down on the gland bolts to the. minimum recommended torque Remove this bushing after. the compression step, 7 Follow step 6 to install 2 more rings carefully offsetting the If help is required for appropriate bushing sizing please consult. seam as indicated Use gland follower to apply pressure Garlock representative. as instructed in 7 Verify that the gland follower is equally. If a torque wrench is not readily available a work around. centered around the stem during tightening process or it compromise would be to apply 30 compression. will result in side loading the packing and or possible contact. with the stem,Leaders in Sealing Integrity,Garlock Low Emission Compression Packing.
Garlock Low Emission Packing,EQUATION 1 3 1 FOR MINIMUM RECOMMENDED. TORQUE GLAND LOAD,Torque 111 3 D2 d2 B,T Torque on each bolt FT LBS. D Bore diameter inches,d Stem Diameter inches,Gland bolt diameter inches. B Number of gland bolts, The torque calculated by this equation will yield a gland. load of 8500 psi, A detailed explanation of the torque calculation can be.
found in Appendix A, These are general instructions intended for qualified valve stem packing. installer If in doubt installer should get assistance from qualified. installer familiar and trained for this kind of installation or can contact. a Garlock representative Product style should be used according to. specifications User assumes the responsibility of choosing and using a. specific product into particular service conditions. Leaders in Sealing Integrity,Garlock Low Emission Compression Packing. Garlock Low Emission Packing,1 4 212 ULE VALVE PACKING INSTALLATION. 7 Apply compression to the Compress packing by, Packing is available on a spool and needs to be applying appropriate gland. lower rings in the set when load using a torque wrench. cut into lengths to form rings,possible If the gland follower.
1 Raise the valve to the full open position will reach down to contact the. Remove all of the old packing from the second ring then use it to apply. stuffing box and dispose properly compression by tightening. 2 Inspect stuffing box for wear and cleanliness down on the gland bolts to the. Replace worn parts and clean as required to minimum recommended torque. meet stuffing box condition requirements see below equ. Garlock Low Emission Compression Packing Leaders in Sealing Integrity 3 Packing is available on a spool and needs to be cut into lengths to form rings 1 Raise the valve to the full open position Remove all of the old packing from the stuffing box and dispose properly 2 Inspect stuffing box for wear and cleanliness

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