For easy handling bolt numbering shall be done clockwise around the flange with the following sequence The table below shows torque sequence for flanges with 4 to 32 bolts Number of Bolt Stud Bolt Tightening Sequence to Follow 4 bolt Flange 1 3 2 4 8
Typical fouling factor values Following table represents typical values of heat exchanger dirt factor for commonly occurring process fluids in petroleum industry Fluid Fouling Factor h⋅ft 2 ⋅ F Btu Water 0 0002 Propane 0 001 Butane 0 001 Gasoline 0 001
Recommended Maximum Bolt Loads and Torque Values UNC Threads UNC Quality P S T A F in Newtons N m lbf lbf ft Newtons N m lbf lbf ft Newtons N m lbf lbf ft in 1 4 4379 5 43 984 4 00 8320 10 3 1870 7 60 8980 11 1 2018 8 19 7 16 5 16 7344 11 2 1650 8 26 13954 21 3 3136 15 71 15061 23 0 3385 16 96
For heat exchangers flanges torque values to be 30 70 100 and 100 percent of the final torque value Where recommended using hydraulic tensioner for bolt tightening follow the manufacturer recommendations A table is provided in Fig 4 below to show an
Sizes from 1 4 up are in ft lbs Fine thread figures are for 1 14 Grade 2 5 and 8 values are for plated bolts Created Date 9 8 2006 11 12 23 AM
70 95 53 72 110 149 80 108 5 18 78 105 5 59 80 120 162 5 90 122 5 8 11 100 135 5 73 99 150 203 5 110 149 18 110 149 83 112 170 230 5 130 176 3 4 10 170 230 5 130 176 270 366 200 271 16 190 257 5 140 190 300 406 5 220
Table of Contents Page 3 Name Plate Insert 4 1 0 Principles of the Plate Heat Exchanger 1 1 Principles 2 0 Construction of the PHE 5 2 1 Plate Characteristics 6 0 2 2
Torque tolerance 0 15 of torquing values Unless otherwise specified use torque values listed above 5 8 8 8 10 9 Class 5 8 Class 8 8 Class Bolt Head Identification Bolt Size Grade 2 Grade 5 Grade 8 Metric Bolt Head Identification Bolt Size Inches
Pass 4 Set the torque wrench to 100 torque value and repeat crisscross pattern for a 4th time Pass 5 Check all bolts at 100 torque with a circular pattern Bolt Tightening Sequence Crisscross pattern divide the flange into 4 quadrants Over 40 bolts 1 2
This table is offered as the suggested maximum torque values for threaded products and is only a guide Torque Values FT lbs Bolt Size Inches Coarse Thread inch SAE 0 1 2 74 000 psi Low Carbon Steel SAE Grade 3 SAE Grade 5 120 000 psi Med
TIGHTENING TORQUES FOR METRIC BOLTS of yield strength Sy M 201 TRIQUE Diameter mm 6 8 10 12 14 16 18 20 22 24 27 30 33 36 39 42 45 48 52 56 60 64 68 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33 M36 M39 M42 M45 M48 M52
Up to 8 Bolts– Use 4 Pass Method Pass 1 Set the torque wrench to the 30 torque value and apply the torque wrench in the crisscross pattern for that particular flange until all bolts have been tightened once Pass 2 Set the torque wrench to the 60 torque
The values are for slightly lubricated bolts For dry bolts increase the torques with approximately 30 Bolt Torque Calculator Metric Bolts Tightening Torques Sponsored Links Related Topics Fasteners Bolts nuts and threaded rods torque tension and
16815 Southpark Dr Westfield IN 46074 888 925 3284 317 896 4391 info industrialbolting com
Yoke Nuts Ascertain manufacturer s torque guide then reduce values by 30 Maximum Torque Guide Aluminium in Nm Thread Diameter 3mm 4mm 5mm 6mm 8mm 10mm Flanged Hex Head Bolt n a n a 6 00 8 00 12 00 20 00 Socket Cap Bolt 1 50 3 50
About the App Look up flange bolt sizes and torque patterns in three taps with Flange Bolt Just enter the flange size type and class and the tool instantly shows the ASME values for 1 Number of studs 2 Diameter of studs 3 Length of studs 4 Torque pattern 5
2021 9 25 nbsp 0183 32 Calculation formula of ordinary bolt torque T KFd N mm K tightening torque coefficient a reference value can be roughly selected according to the surface state For general machined surfaces if there is lubrication K can be 0 13
d Nominal bolt diameter in The nut factor is not the coefficient of friction It is an experimentally derived constant that includes the impact of friction ft lbs to nm 0 737562149277 nm to ft lbs 1 3558179 Table 4 Torque FT LBS Use only with 6061 T6 Aluminium flanges BOLT
Torque Chart for ASTM A193 Grade B7 Studs in Ft Lbs at 100 of yield Bolt Diameter Nut Size Moly Lube Nickel Lube Copper Lube Machine Oil Dry u 0 085 u 0 110 u 0 100 u 0 160 u 0 400 3 4 quot 1 1 4 quot 208 342 314 448 1118 7 8 quot 1 7 16 quot 330 544 500 716
The table below lists a typical range for the quot K Factor quot as well as the values used in calculating the RepairEngineering Bolt Torque Chart Note that the quot K Factor quot values used to calculate the RepairEngineering Bolt Torque Chart were picked
Bolt Torque Charts These charts show suggested maximum torque values for threaded products and are intended only as a guide Always refer to the manufacturers recommended torque values if possible CDI Torque Products is not responsible for any application of
2021 1 30 nbsp 0183 32 Bolt Lubricant and Torque A Comprehensive Guide Last updated on January 30 2021 February 4 2021 by Scott Hamilton For the past 40 years when the oil and gas industry thought of bolt lubricant it focused on disassembly i e the breakout torque seen at the bolt head or at the nut of the fastener What went unexplored until recently
860 666 990 740 1060 845 Proper torque spec varies depending on the material bolt grade or if lubrication is used such as oil wax or anti seize Always go to the manufacturer for proper torque specifications The chart above is an approximate estimate of torque values and have not been validated for accuracy
Torque Values Stainless Steel Bolt Table Chart Recommended Bolt Torque Values for Stainless Steel and Nonferrous Fasteners inch series The following torque values are suggested maximums based upon actual lab testing on clean and dry or near dry For
TIGHTENING TORQUE FOR CLASS 8 8 BOLTS METRIC COARSE BOLT DIAMETER X PITCH THREAD STRESS AREA mm2 TIGHTENING TORQUE Nm PRE LOAD Kn TIGHTENING TORQUE Nm PRE LOAD Kn M5 x 0 8 14 2 7 4 5 2 7 6 5 M6 x 1 20 1 10 4 9
Table V Bolt Torque No lubrication on threads Torque values are based on friction coefficients of 0 12 between threads and 0 14 between nut and washer or head and washer as manufactured no special cleaning Size Root area in 2 Torque range class 8 150
Bolting torque to develop 50 Bolt Yield Stress at Nut Factor K 0 16 This Table is applicable to Never Seize paste and Fel Pro lubricant K 0 16 The above Table is applicable only for ASTM A320 Grade B8 Class 2 and A193 Grade B8 Class 2 Stud Bolts These are 304 SS material The torque values are approved for spiral wound graphite and PTFE
The bolts should be torqued incrementally to 30 60 and then to 100 of the appropriate value in Figure 1 They should be torqued in the sequential order of the appropriate pattern in Figure 2 Figure 1 Bolt size and Torque requirements Heat Exchanger Size
TORQUE TENSION REFERENCE GUIDE Printed in U S A Supply Part Number 9702365 AS 06 14 Torque Poster For additional technical information contact Fastenal Engineering at engineer fastenal com Nominal Dia in Threads per inch 307A ASTM
2019 3 19 nbsp 0183 32 Torque wrench is rarely used and torque values are rarely showed in drawings Remember API 661 6 1 1 s maximum and minimum plug torque values with recommended thread lubrication 9 4 3 Plug gasket contact surfaces shall be machined to a finish of