Bolt Torq.(Moss+Farr)

Reference Number :

B0617-1

Calculation of Bolt Torque for sealing of Flanges Reference: Pressure Vessel design manual Dennis R.Moss Page 42 , Procedure 2-8 *****Design Data ***** Flange Description / Name: Design Pressure: Test Pressure : Moment : Radial Load : Friction Factor: Design Temp. :

P Pt M Pr K Dt

GAS CHILLER (6-E-9550) CHANNEL FLANGE = 9.27 Mpa = 12.051 Mpa = 0 Nm = 0 N = 0.1 = 25 Deg.C

drf od id N Y m Mat Eg tg b G Ag

= = = = = = = = = = = = =

*****Gasket Data ***** Type : Diam.of Raised face: O/diam. : I/Diam. : Gasket Width : Factor : Factor : Gasket Material: Young's Mod. : Thick.Gasket : Effect.gask.width: Pressure Diam. : Contact Area of Gask

:

NF Ring Type 1016 1016 984 16 62 3.75 316L METAL JACKETED 195128.5 3 6.501 1002.998 40969

mm mm mm mm Mpa

Mpa mm mm mm mm^2

*****Bolting Data ***** Bolt Material selected : UNC / Metric Thread Type : Ns Nominal Size : = Quantity : = n d Area Root Diam.of Thread: = dm = Pitch Diam.of Threads: Eb Young's Mod. : = Ab Total Area of Bolts: = tn Thick of Nut : = x Dim'n over Flanges : = lb Effect.Bolt Length : =

ASTM A193/B7 TEMA - 2A 50.8 32 1710.96432 48.73752 204781.5 54750.86 51.2 375.5 426.7

mm mm^2 mm Mpa mm^2 mm mm mm

***** Loads ***** H Hydro.end Force : Hp Joint contact Load : Decreas.comp.force in gask.: DeltF Fbo Init.req'd tight.force : Wm2 Min.Bolt load for Gask.seat: W > Wm2 & Fbo :

= = = = = = =

7324355 1424199 7252838 8677037 1270052 8677037

Req'd Torque

=

110130 81199

:

T

N N N N N N Nm LB.FT

Reference Number :

B0617-1

Calculation of Bolt Torque for sealing of Flanges Reference: Pressure Vessel design manual Dennis R.Moss Page 42 , Procedure 2-8 *****Design Data ***** Flange Description / Name: Test Pressure : Moment : Radial Load : Friction Factor: Design Temp. :

GAS CHILLER (6-E-9550) CHANNEL FLANGE Pt M Pr K Dt

= = = = =


= = = = = = = = = = = = =

12.051 0 0 0.1 25

Mpa Nm N Deg.C

*****Gasket Data ***** Type : Diam.of Raised face: O/diam. : I/Diam. : Gasket Width : Factor : Factor : Gasket Material: Young's Mod. : Thick.Gasket : Effect.gask.width: Pressure Diam. : Contact Area of Gask

:

NF Ring Type 1016 1016 984 16 62 3.75 316L METAL JACKETED 195128.5 3 6.501 1002.998 40969

mm mm mm mm Mpa

Mpa mm mm mm mm^2

*****Bolting Data ***** Bolt Material selected : Thread Type : UNC / Metric Nominal Size : = Ns Quantity : = n Area Root Diam.of Thread: = d Pitch Diam.of Threads: dm = Young's Mod. : = Eb Total Area of Bolts: = Ab Thick of Nut : = tn Dim'n over Flanges : = x Effect.Bolt Length : = lb

ASTM A193/B7 TEMA - 2A 50.8 32 1710.96432 48.73752 204781.5 54750.86 51.2 375.5 426.7

mm mm^2 mm Mpa mm^2 mm mm mm

***** Loads ***** Hydro.end Force : H Joint contact Load : Hp Decreas.comp.force in gask.: DeltF Init.req'd tight.force : Fbo Min.Bolt load for Gask.seat: Wm2 > Wm2 & Fbo : W

= = = = = = =

9521661 1851459 9428690 11280149 1270052 11280149

Req'd Torque

=

143168

:

T

105558

N N N N N N Nm LB.FT

B0617-1, GAS CHILLER, 6-E-9550 TORQUE CALCULATIONS (Farr) Required tension in the stud : F = Lead of the threads (fig. 8-1) : P = Average mean radius from the axis of stud out to the point where the load is applied to the thread surface (fig. 8-1) R = Mean radius of the nut face or shoulder S = Cosine of 1/2 the include thread angle measured on a plane through the d = axis cos d = Coefficient of friction f = TORQUE ,

T T

146158 lb 0.125 in

0.88522 in 1.3614 in 30 0.866 degree (ussually d = 30 deg.) 0.1 = F/12*(P/(2*p) + R*f/cos d + S*f)) = 3145.451 LB.FT 4266.16 N.m

ELONGATION Required tension in the stud : Effective bolt length : Cross sectional area of stud at its smallest diameter Modulus of Elasticity ELONGATION,

F = L = A = E =

146158 lb 16.799 in 2.652 in2 29700000 psi D = F*L/(A*E) D = 0.031173 in 0.7918 mm

Reference Number :

B0710-4-M

Calculation of Tightening Torque for sealing of Header Plugs Reference: Pressure Vessel design manual Dennis R.Moss Page 42 , Procedure 2-8 *****Design Data ***** Flange Description / Name: Design Pressure: Test Pressure : Moment : Radial Load : Friction Factor: Design Temp. :

For Vent & Drain Plugs Header Name: Inlet, Outlet & Return Plugs: 1.75" UN12 1.0734 Mpa Mawp 1.395 Mpa 0 Nm 0 N 0.1 365 Deg.C

P Pt M Pr K Dt

= = = = = =


= Annular Ring = 52 = 51 = 45 = 3 = 52.5 = 3.75 = Solid Soft Iron = 179263 = 3 = 2 = 49 = 308

*****Gasket Data ***** Type : Recess Diam.: O/diam. : I/Diam. : Gasket Width : Factor : Factor : Gasket Material: Young's Mod. : Thick.Gasket : Effect.gask.width: Pressure Diam. : Contact Area of Gask

:

mm mm mm mm Mpa

Mpa mm mm mm mm^2

*****Plug Data ***** Plug Material selected : UNC / Metric Thread Type : Ns Nominal Size : = n Quantity : = d Area Root Diam.of Thread: = dm = Pitch Diam.of Threads: Eb Young's Mod. : = Ab Total Area of Thread: = tn Thick of Nut : = lb Effect.Thread Length : =

SA350 / LF2 UN12 44.45 1 1426.65 2.12 196034 1426.65 31.75 31.75

mm mm^2 mm Mpa mm^2 mm mm

***** Loads ***** Hydro.end Force : Joint contact Load : Decreas.comp.force in gask.: Init.req'd tight.force : Min.Bolt load for Gask.seat: > Wm2 & Fbo :

H Hp F Fbo Wm2 W

= = = = = = =

2024 2479 1408 3886 16163 16163

Req'd Torque

T

=

286

:

N N N N N N Nm

42.62 12 TPI

Thread Depth

Reference Number :

B0710-9-M


For one or two piece Plugs Header Name: Inlet, Outlet & Return Plugs: 1.625" UN12 9.35 Mpa Mawp 12.155 Mpa 0 Nm 0 N 0.1 215 Deg.C

P Pt M Pr K Dt

= = = = = =


= Annular Ring = 38.6 = 38 = 32 = 3 = 52.5 = 3.75 = Solid Soft Iron = 179263 = 3 = 3 = 35 = 330


:

mm mm mm mm Mpa

Mpa mm mm mm mm^2


SA350 / LF2 UN12 41.275 1 1250.36 2.12 197190 1250.36 22 22



H Hp F Fbo Wm2 W

= = = = = = =

8996 23132 5930 29062 17318 29062

Req'd Torque

T

=

513

:

N N N N N N Nm

39.9 12 TPI

Thread Depth

Reference Number :

B0710-1-M


For one piece Plugs Header Name: Inlet, Outlet & Return Plugs: 1.5" UN12 1.00 Mpa Mawp 1.300 Mpa 0 Nm 0 N 0.1 215 Deg.C

P Pt M Pr K Dt

= = = = = =




:

mm mm mm mm Mpa

Mpa mm mm mm mm^2


SA350 / LF2 UN12 38.1 1 1033.20 2.12 197190 1033.20 40 40



H Hp F Fbo Wm2 W

= = = = = = =

1385 2969 1159 4127 20782 20782

Req'd Torque

T

=

367

:

N N N N N N Nm

36.27 12 TPI

Thread Depth

Reference Number :

B0710-4-M


For one piece Plugs Header Name: Inlet, Outlet & Return Plugs: 1.375" UN12 9.07 Mpa Mawp 11.791 Mpa 0 Nm 0 N 0.1 148.89 Deg.C

P Pt M Pr K Dt

= = = = = =




:

mm mm mm mm Mpa

Mpa mm mm mm mm^2


SA105 UN12 34.925 1 886.69 2.12 193053 886.69 27 27



H Hp F Fbo Wm2 W

= = = = = = =

10835 25004 8545 33548 19297 33548

Req'd Torque

T

=

593

:

N N N N N N Nm

33.6 12 TPI

Thread Depth

Reference Number :

B0802-2-M


For one piece Plugs Header Name: Inlet, Outlet & Return Plugs: 1.375" UN12 13.79 Mpa Mawp 17.927 Mpa 0 Nm 0 N 0.1 176.67 Deg.C

P Pt M Pr K Dt

= = = = = =




:

mm mm mm mm Mpa

Mpa mm mm mm mm^2


SA105 UN12 34.925 1 886.69 2.12 190985 886.69 30 30



H Hp F Fbo Wm2 W

= = = = = = =

16473 38016 13272 51287 19297 51287

Req'd Torque

T

=

906

:

N N N N N N Nm

33.6 12 TPI

Thread Depth

Reference Number :

B0744-M


For one piece Plugs Header Name: Inlet, Outlet & Return Plugs: 1.125" UN12 1.278 Mpa Mawp 1.661 Mpa 0 Nm 0 N 0.1 120 Deg.C

P Pt M Pr K Dt

= = = = = =


= Annular Ring = 37 = 36 = 29 = 3.5 = 52.5 = 3.75 = Solid Soft Steel = 189605 = 1.5 = 3.5 = 32.5 = 357


:

mm mm mm mm Mpa

Mpa mm mm mm mm^2


SA479-410 UNF 28.575 1 585.35 2.12 188226 585.35 20 20



H Hp F Fbo Wm2 W

= = = = = = =

1060 3425 944 4369 18761 18761

Req'd Torque

T

=

331

:

N N N N N N Nm

27.3 12 TPI

Thread Depth

Bolt Torq.(Moss+Farr)

Recommend Documents