BS 3974 Pipe Supports - QPS

1 BS 3974 Pipe SupportsSection 4 Section 4 of this catalogue has been compiled with the kind permission of theBritish Standard Institution. All data has been taken from BS 3974 Part 1 (1974),Part 2 (1978) and Part 3 (1980). reserve the right to alter specifications inline with any updates by the relevant British of materialsMaterial referenceComponentMaterialBS (a) Pipe clipsClipsRange ACarbon steel4360 Grade 43 ARange B1501: Part 1151 or 161: grade 430 BRange D1, D1(M), D2 Alloy steel1501: Part 2620 grade 27 BRange D3, D3(M)1501: Part 2622 grade 515 BAll bolts andRange A, BCarbon steel4190 Grade 4, 6studboltsRange D1, D1(M), D2 Alloy steel4882661 grade B16 Range D3, D3(M)48821% Cr Mo V boron grade B16 AAll nutsRange A, BCarbon steel4190 Grade 4 Range D1, D1(M), D2 Alloy steel4882240 grade 4 Range D3, D3(M)4882621 grade 7 Distance-piecesAll rangesCarbon steel1387 Medium or heavy(b) U-strapsStrapRange D1, D2 Alloy steel1501: Part 2620 grade 27 BRange D31501: Part 2622 grade 515 BSteady plateRange D1, D2, D3 Alloy steel1501.

2 Part 2620 grade 27A or 27 BYoke, end andRanges D1, D2, D3 Carbon steel4360 Grade 43 Ahanger platesAll boltsRanges D1, D2, D3 Carbon steel3692 Grade nuts3692 Grade 8(c) Riser ClampsClampRange ACarbon steel4360 Grade 43 ARange B, C1501: Part 1151 or 161: grade 430 BClampRange D1, D2 Alloy steel1501: Part 2620 grade 27 Band gussetRange D31501: Part 2622 grade 515 BAll boltsRange A, BCarbon steel4190 Grade C3692 Grade D1, D2 Alloy steel4882661 grade B16 Range D348821% Cr Mo V boron grade 816 AAll nutsRange A, BCarbon steel4190240 grade 4 Range C3692 Grade 8 Range D1, D2 Alloy steel4882240 grade 4 Range D34882621 grade 7 Distance-piecesRange A, BCarbon steel1387 Medium or heavyRange CAlloy steel1775 HFS13 or HFW13 Range D1, D2 Carbon steel1387 Medium or heavyRange D3 Alloy steel3604620(d) Sling rodsAll componentsRodsAll rangesCarbon steel4360 Grade 43 ANutsAll ranges4190 Grade 4 or 6(e)

3 Pipe overstrapsCarbon steel4360 Grade 43 Aand boltsLow temperaturesee table 12steelin section three(f) Pipe overstrapsCopper alloy2870CZ 110and hookstrapsStainless steel1449: Part 217% min. Cr content(g) LiningLead sheet1178 materials forsteel pipe clipsCopper/copper2870CZ 110when used onalloy sheetcopper/copperalloy tubesCompressed fibre BS 3974 PIPE SUPPORTSPage 81BS 3974 PIPE Supports INDEXPage 822 Bolt Pipe Clamp3 Bolt Pipe Clamp4 Bolt Riser Clamp6 Bolt Riser Clamp10 Bolt Riser Clamp(Boiler Plate)10 Bolt Riser Clamp(Alloy Steel)U Bolt (Non Grip)U Bolt (Grip)OverstrapBeam Welding AttachmentsOverstrapsDee Shackle1 Piece Pipe StrapU StrapSpring CageSpring CageSling Rod CageHookbolt (To Grip)

4 OverstrapHookstrapUniversal Beam Clip51L/51H57L/57H/58L/58H/5961626364/65 /6667/6869/70717273/74/75799293959697,98 99100 OS100 HS1018586-8788899290, 918484949496999993979798959595100 DESCRIPTIONFIGURE 3974 PIPE Supports OS727992939596979899100 HS1012 BOLTPIPE CLAMP3 BOLTPIPE CLAMP4 BOLTRISERCLAMP6 BOLTRISERCLAMP10 BOLTRISERCLAMP(Boiler Plate)10 BOLTRISERCLAMP(Alloy Steel) U BOLTSNOT TO GRIP U BOLTSTO GRIPOVERSTRAPBEAMWELDINGATTACHMENTDEESHA CKLE1 PIECEPIPESTRAP U STRAPSPRINGCAGESPRINGCAGESLING RODCAGESLING RODCAGEHOOKBOLTTo GripHOOKSTRAPUNIVERSALBEAM CLIP8586,8788899290,91 848494,95,96 94999993979798989595100 Page 83BS 3974 PIPE SUPPORTSPage 84 Nom.

5 8098161201505519*100118161401655519*1501 70201952256519*200222202502756519*250274 203053357522*300326203553857522350378244 1045080224004292446550080224504802452055 0802250053224570600802260063524670700802 2 FIG. 68 Cast Iron PipesDimensions of U-Bolts (not to grip pipe)All dimensions are in millimetresMaterial - Carbon SteelWhen ordering specify:Figure pipe sizeFinish*These U-bolts are identical with the equivalent sizes for steel pipePipeANMKSSizeO/DDiaMax80981611516050 19*100118161351755019*150170201902355519 *200222202452955519*250274203003506022*3 0032620350400602235037824405460652240042 9244555206522450482245055607022500532245 606207022600635246607207022 Dimensions of U-Bolts (to grip pipe)All dimensions are in millimetresFIG.

6 69 Steel PipesFIG. 70 Cast Iron Pipes*These U-bolts are identical with the equivalent sizes for steel 69/70 U-BOLT TO GRIPM aterial - Carbon ordering specify:Figure NoNominal Pipe SizeFinishFIG. 67 Steel PipesFIG. 67/68 U-BOLT NOT TO GRIPBS 3974 PIPE SUPPORTSPage 85 FIG. 51 & 51H 2 BOLT PIPE CLAMPS lingClampSafeSlingClampSafeNom OutsideRodDDimensionsGWorkingRodDDimensi onsGWorkingSizeDiaDiaDiaB x TPBoltHole diaMinloadDiaDiaB x TPBoltHole HEAVY SERIESC lamp and loadboltsClamp and loadboltsPipe SizeLight Series FIG 51 LHeavy Series FIG 51 HFig. 51 Dimensions of pipe clamps for steel pipes (RANGE A: -20 C to 100 C)Pipe clip for steel, cast iron and copper/copper alloy pipes(range A: -20 C to 100 C)Material - Carbon SteelWhen ordering specify:Figure pipe sizeFinishHole dia BS 3974 PIPE SUPPORTSPage 86 SlingClampSafeSlingClampSafeNomOutsideRo dDDimensionsGWorkingRodDDimensionsGWorki ngSizeDiaDiaDiaB x TPQBoltHole MinLoadDiaDiaB x TPQBoltHole HEAVY SERIESPipe SizeBoltsBoltsClamp and loadClamp and loadLight SeriesHeavy SeriesFIG.

7 57 Dimensions of pipe clamps for steel pipes, Range B: -20 C to 400 CMaterial - Carbon SteelWhen ordering specify:Figure pipe sizeFinishFIGS. 57/58/59 3 BOLT PIPE CLAMPBS 3974 PIPE SUPPORTSPage 87 SlingClampSafeSlingClampSafeNomOutsideRo dDDimensionsBoltsGWorkingRodDDimensionsB oltsGWorkingSizeDiaDiaDiaB x TPQBoltHole MinLoadDiaDiaB x TPQBoltHole HEAVY SERIESPipe SizeLight SeriesHeavy SeriesClamp and loadClamp and loadGNominalOutsideSling DPQBoltBolt MinSizeDiaRodDiameterSizeHoleDiameterDia D1D2&D3D1 and WorkingLoad400450500 Clamp Dimensions*Sub RangesB x TPipeClamp and load 59 Dimensions of alloy steel pipe clamps for steel pipes.

8 (range D: 20 C to 570 C) All dimensions are in millimetresWhen ordering specify:Figure pipe sizeFinish*Range D1 gives dimensions for pipe clamps using BS1501 : 620 grade 27B (1% Cr, % Mo) material for use formaximum temperature of 510 D2 and D3 give respectively, dimensions for pipe clips using BS 1501 : 620 grade 27B (1% Cr, % Mo)material for use for maximum temperature of 540 C and BS 1501 : 622 grade 31B ( 2 % Cr, 1 % Mo) Material for useup to 570 CFIG. 58 Dimensions of pipe clamps for steel pipes, Range C:400 C to 470 CBS 3974 PIPE SUPPORTSPage 88 SlingW x PieceBoltSizeDiameterPipe MinMaxNominalHload atSizemin, Hkg1003608007607206806406005605204804404 0012539081076573069566563059556552549546 0150445106010451030990940900860820780740 7151754651050100596592088584581077573569 5665200490100094090086583079576072569065 0615225540140013551305126012101160111510 7010209759252505851200115511051055101096 0910865815765725300655170016501600155015 0014501400135013001250120014016020406080 Increment over min.

9 HMaximum Load in (kg)180200100120 FIG. 61 4 BOLT RISER CLAMPFIG. 61 Dimensions of riser clamps for pipes up to and including 300mmnominal size (Ranges Aand B)*FIG. 61 Maximum loads for riser clampsWhen ordering specify:Figure pipe sizeFinish*Range A: -20 C to 100 CRange B: -20 C to 400 CBS 3974 PIPE SUPPORTSPage 89 SlingW X PieceBoltHoleDiameterFIG. 62 6 BOLT RISER CLAMPFIG. 62 Dimensions of riser clamps for pipes over 300mm nominal size (ranges Aand B)**Range A: -20 C to 100 CRange B: -20 C to 400 CPipeMinMaxNominalHLoad20406080100120140 160180200220240 Sizekg3506602225218021322080203019721920 1870182017601710166016004007562000195019 0018401780172516701615157015001440139013 2045082527002660261025602510246024052380 2310228022102160210050091030002960291528 6026152780271526602615256025152460240055 0935280027602710266026102580251624802415 2380221022802200600985320031603115306030 1029602910288028152760271026602600 Increment over Min HMaximum loads in (kg)FIG.

10 62 Maximum loads for riser clampsBS 3974 PIPE SUPPORTSPage 90 SlingSafeNominalOutsideRodW x TAB* BoltClamp BoltGusset 64 Dimensions of riser clamps for steel pipes (Range D1: -20 C to 510 C)All dimensions are in millimetresFIG. 64,65,66 10 BOLT RISER CLAMPWhen ordering specify:Figure pipe sizeFinishBS 3974 PIPE Supports Page 91 SlingSafeNominalOutsiderodW x TAB*MinBoltBoltDEFBoltBoltHJKLMN workingSizeDiameterDiameterSize holeSize PlatePipeClampLoad BoltClamp 65 Dimensions of riser clamps for steel pipes (Range D2: 510 C to 540 C)All dimensions are in millimetresSlingSafeNominalOutsiderodW x TAB*MinBoltBoltDEFBoltBoltHJKLMN workingSizeDiameterDiameterSize holesize PlatePipeClampLoad BoltClamp 66 Dimensions of riser clamps for steel pipes (Range D3.)