API Ring Joint Flange Data

A.P.I. Ring Joint Flange Data

 

Service Pressure Ratings in P.S.I. – Other Dimensions in Inches

Nom. SizePressure Rating (P.S.I.)Old Series ServiceO.D.ThicknessDia. Bolt CircleBolt QuantityBolt Dia. Pitch Di.Ring No.
Bolt LengthStud Length
1 13/1610,000 7 3/81 21/325 3/483/45 1/43 5/83 1/16 BX-151
2 1/169604006 1/21 5/16585/84 1/23 1/83 1/4R-23
2 1/162,0006006 1/21 5/16585/84 3/43 3/43 1/4R-23
2 1/163,0009008 1/21 13/166 1/287/86 3/84 1/43 3/4R-24
2 1/165,00015008 1/21 13/166 1/287/86 1/44 3/83 3/4R-24
2 1/1610,000 7 7/81 47/646 1/483/45 1/23 5/8 BX-152
2 9/169604007 1/21 7/165 7/883/45 1/444 R-26
2 9/162,0006007 1/21 7/165 7/883/45 1/444 R-26
2 9/163,0009009 5/81 15/167 1/28174 7/84 1/4 R-27
2 9/165,00015009 5/81 15/167 1/2816 7/84 1/44 1/4R-27
2 9/1610,000 9 1/82 1/647 1/487/86 1/44 1/8 BX-153
3 1/8960 4008 1/41 9/166 5/883/45 1/43 1/24 7/8R-31
3 1/82,0006008 1/41 9/166 5/883/45 1/24 1/44 7/8R-31
3 1/83,0009009 1/21 13/167 1/287/86 1/44 3/84 7/8R-31
3 1/85,000 150010 1/22 3/16881 1/87 3/45 5/85 3/8R-35
3 1/1610,000 10 5/82 19/648 1/2817 1/44 7/8 BX-154
4 1/16960400101 11/167 7/887/85 3/445 7/8R-37
4 1/162,00060010 3/41 13/168 1/287/86 3/84 3/45 7/8R-37
4 1/163,00090011 1/22 1/169 1/481 1/87 3/85 1/45 7/8R-37
4 1/165,000 150012 1/42 7/169 1/281 1/48 1/25 7/86 3/8R-39
4 1/1610,000 12 7/162 19/6410 3/1681 1/88 1/25 5/8 BX-155
510,000290014 1/44 3/161181 5/812 3/48 1/46 1/8R-90
Nom. SizePressure Rating (P.S.I.)Old Series ServiceO.D.ThicknessDia. Bolt CircleBolt QuantityBolt Dia. Pitch Di.Ring No.
Bolt LengthStud Length
7 1/1696040012 1/21 15/1610 5/8127/86 1/44 1/48 5/16R-45
7 1/162,000600142 3/1611 1/21217 3/858 5/16R-45
7 1/163,000900152 1/212 1/2121 1/88 1/25 5/88 5/16R-46
7 1/165,000150015 1/23 5/812 1/2121 3/811 1/47 1/48 5/16R-46
7 1/1610,000 18 7/84 1/1615 7/8121 1/211 3/47 1/2  BX-156
9960400152 3/161312174 3/410 5/8R-49
92,00060016 1/22 1/213 3/4121 1/88 1/25 7/810 5/8R-49
93,00090018 1/22 13/1615 1/2121 3/89 1/26 3/410 5/8R-49
95,0001500194 1/615 1/2121 5/812 1/28 1/410 5/8R-50
910,000 21 3/44 7/818 3/4161 1/213 1/48 1/2 BX-157
1196040017 1/22 7/1615 1/4161 1/87 3/4512 3/4R-53
112,000600202 13/1617161 1/49 1/46 1/412 3/4R-53
113,00090021 1/23 1/1618 1/2161 3/8106 3/412 3/4R-53
115,0001500234 11/1619121 7/814 1/29 3/812 3/4R-54
1110,000 25 3/45 9/1622 1/4161 3/415 3/89 5/8 BX-158
13 5/896040020 1/22 9/1617 3/4161 1/48 1/25 11/1615R-57
13 5/82,000600222 15/1619 1/4201 1/49 1/26 1/215R-57
13 5/83,000900243 7/1621201 3/810 3/47 1/415R-57
13 5/85,000150026 1/24 7/1623 1/4161 5/812 3/48 1/4 BX-160
13 5/810,000 30 1/46 /5826 1/2 201 7/817 3/470 7/8 BX-159
145,000150029 1/25 7/825162 1/41811 3/416 1/2R-63
16 3/42,000600273 5/1623 3/4201 1/210 3/47 1/218 1/2R-66
16 3/43,00090027 3/43 15/1624 1/420 1 5/8  12 1/2 8 1/4 18 1/2 R-66
21 1/42,000600323 7/828 1/224 1 5/8 12 1/2 8 1/4 23 R-73
20 3/43,00090033 3/44 3/429 1/220 2 15 1/4 10 1/823  R-74