Page 72 - Pressure Vessel Design Manual

Table 2-5b
Number and Size of Bolts for Flanged Joints
I I
Primary Nominal Pipe Size
Service
Pressure Flange ?& 1 1% 1% 2 2% 3 3% 4 5 6 8 10 12 14 16 18 20 24
Rating Bolting Facing
Number 4 4 4 4 4 4 4 4 8 8 8 8 8 121212 16 16 20 20
Diameter % % % % % 5 / 8 5 / 8 5 / 8 5 / 8 5 / 8 % % % ' / 8 ' / 8 1 1 1% 1% 1%
Lengthofstud %6"RF 2% 2% 2% 2% 2% 3 3% 3% 3% 3% 3% 3% 4 4% 4% 5 5% 5% 6 6%
150 Pound
Bolts
RTJ ... ... 3 3 3% 3% 3% 4 4 4 4% 4% 4% 5 5 5% 5% 6% 6% 7%
Lengthof %6"RF 1% 2 2 2% 2% 2% 3 3 3 3 3% 3% 3% 3% 4 4% 4% 4% 5% 5%
Mach. Bolts
Number 4 4 4 4 4 8 8 8 8 8 8 1212161620 20 24 24 24
Diameter % 543 76 5/8 % 5/8 % % % % % % '/8 1 1% 1% 1% 1% 1% 1%
Lengthofstud %6"RF 2% 2% 3 3 3% 3% 3% 4 4?4 4% 4% 4% 5% 6 6% 6% 7% 7% 8 9
300 Pound Bolts
RTJ 3 3% 3% 3% 4 4 4% 4% 5 5 5% 5% 6 6% 7% 7% 8 8% 8% 10
Lengthof %6''RF 2 2% 2% 2% 3 3 3% 3% 3% 3% 4 4% 4% 5% 5% 6 6% 6% 7 7%
Mach. Bolts
Number 4 4 4 4 4 8 8 8 8 8 8 1212161620 20 24 24 24
Diameter % 5 / 8 5 / 8 5 / 8 % 5 / 8 % % ' / 8 '/8 '/8 '/8 11%1%11/4 1% 1% 1% 1%
Lengthofstud %"RF 3 3% 3% 3% 4 4 4% 4% 5% 5% 5% 5% 6% 7% 7% 8 8% 8% 9% 10%
400 Pound Bolts
RTJ 3 3% 3% 3% 4 4% 4% 5 5% 5% 5% 6 6% 7% 8 8% 8% 9 9% 11
M&F 2% 3 3% 3% 3% 3% 4% 4% 5 5 5% 5% 6% 7 7% 7% 8% 8% 9% 10%
T&G
Number 4 4 4 4 4 8 8 8 8 8 8 1212162020 20 20 24 24
Diameter % 5 / 8 5 / 8 5 / 8 % 5 / 8 % % ' / 8 ' / 8 1 1 1% 1% 1% 1% 1% 1% 1% 1%
Lengthof Stud %" RF 3 3% 3% 3% 4 4 4% 4% 5% 5% 6% 6% 7% 8% 8% 9 9% 10% 11% 12%
600 Pound Bolts ~________-__ -----__---
RTJ 3 3% 3% 3% 4 4% 4% 5 5% 5% 6% 6% 7% 8% 8% 9% IO 10% 11% 13%
M&F 2% 3 3% 3% 3% 3% 4% 4% 5 5% 6 6% 7% 8 8% 8% 9% 10% 11 12%
T&G