Gaskets Size ChartRing Gaskets for 125/150# ANSI Pipe Flanges | Ring Gaskets for 250/300# ANSI Pipe Flanges |
Full Face Gaskets for 250/300# ANSI Flanges | Full Face Gaskets for 125/150# ANSI Flanges |
Dimensions for API Standard 605 (Class A) - 150# Flanges Ring Gaskets for 125/150# ANSI Pipe Flanges
- Nominal Pipe
Size - ID
- OD
- 1/2"
- 27/32
- 1-7/8
- 3/4"
- 1-1/16
- 2-1/4
- 1"
- 1-5/16
- 2-5/8
- 1-1/4"
- 1-21/32
- 3
- 1-1/2"
- 1-29/32
- 3-3/8
- 2"
- 2-3/8
- 4-1/8
- 2-1/2"
- 2-7/8
- 4-7/8
- 3"
- 3-1/2
- 5-3/8
- 3-1/2"
- 4
- 6-3/8
- 4"
- 4-1/2
- 6-7/8
- 4-1/2"
- 5
- 7
- 5"
- 5-9/16
- 7-3/4
- 6"
- 6-5/8
- 8-3/4
- 7"
- 7-5/8
- 10
- 8"
- 8-5/8
- 11
- 10"
- 10-3/4
- 13-3/8
- 12"
- 12-3/4
- 16-1/8
- 14"
- 14
- 17-3/4
- 16"
- 16
- 20-1/4
- 18"
- 18
- 21-5/8
- 20"
- 20
- 23-7/8
- Nominal Pipe
Size - ID
- OD
- 22"
- 22
- 26
- 24"
- 24
- 28-1/4
- 26"
- 26
- 30-1/2
- 28"
- 28
- 32-3/4
- 30"
- 30
- 34-3/4
- 32"
- 32
- 37
- 34"
- 34
- 39
- 36"
- 36
- 41-1/4
- 38"
- 38
- 43-5/8
- 40"
- 40
- 45-5/8
- 42"
- 42
- 48
- 46"
- 46
- 52-1/8
- 48"
- 48
- 54-1/2
- 50"
- 50
- 56-1/2
- 52"
- 52
- 58-3/4
- 54"
- 54
- 61
- 60"
- 60
- 67-1/2
- 66"
- 66
- 74-1/4
- 72"
- 72
- 80-3/4
- 84"
- 84
- 93-1/2
- 96"
- 96
- 106-1/4
Ring Gaskets for 250/300# ANSI Pipe Flanges
- Nominal Pipe
Size - ID
- OD
- 1/2"
- 27/32
- 2-1/8
- 3/4"
- 1-1/16
- 2-5/8
- 1"
- 1-5/16
- 2-7/8
- 1-1/4"
- 1-21/32
- 3-1/4
- 1-1/2"
- 1-29/32
- 3-3/4
- 2"
- 2-3/8
- 4-3/8
- 2-1/2"
- 2-7/8
- 5-1/8
- 3"
- 3-1/2
- 5-7/8
- 3-1/2"
- 4
- 6-1/2
- 4"
- 4-1/2
- 7-1/8
- 4-1/2"
- 5
- 7-5/8
- 5"
- 5-9/16
- 8-1/2
- 6"
- 6-5/8
- 9-7/8
- 7"
- 7-5/8
- 10-7/8
- Nominal Pipe
Size - ID
- OD
- 8"
- 8-5/8
- 12-1/8
- 10"
- 10-3/4
- 14-1/4
- 12"
- 12-3/4
- 16-5/8
- 14"
- 14
- 19-1/8
- 15"
- 15
- 20-1/8
- 16"
- 16
- 21-1/4
- 18"
- 18
- 23-1/2
- 20"
- 20
- 25-3/4
- 22"
- 22
- 27-5/8
- 24"
- 24
- 30-1/2
- 30"
- 30
- 37-1/2
- 36"
- 36
- 44
- 42"
- 42
- 50-3/4
- 48"
- 48
- 58-3/4
Full Face Gaskets for 125/150# ANSI Flanges
- Nominal Pipe Size
- Gasket ID
- Gasket OD
- Number of Bolt Holes
- Bolt Hole Diameter
- Bolt Circle
- 1/2"
- 13/16
- 3-1/2
- 4
- 5/8
- 2-3/8
- 3/4"
- 1-1/16
- 3-7/8
- 4
- 5/8
- 2-3/4
- 1"
- 1-5/16
- 4-1/4
- 4
- 5/8
- 3-1/8
- 1-1/4"
- 1-5/8
- 4-5/8
- 4
- 5/8
- 3-1/2
- 1-1/2"
- 1-7/8
- 5
- 4
- 5/8
- 3-7/8
- 2"
- 2-3/8
- 6
- 4
- 3/4
- 4-3/4
- 2-1/2"
- 2-7/8
- 7
- 4
- 3/4
- 5-1/2
- 3"
- 3-1/2
- 7-1/2
- 4
- 3/4
- 6
- 3-1/2"
- 4
- 8-1/2
- 8
- 3/4
- 7
- 4"
- 4-1/2
- 9
- 8
- 3/4
- 7-1/2
- 5"
- 5-9/16
- 10
- 8
- 7/8
- 8-1/2
- 6"
- 6-5/8
- 11
- 8
- 7/8
- 9-1/2
- 8"
- 8-5/8
- 13-1/2
- 8
- 7/8
- 11-3/4
- 10"
- 10-3/4
- 16
- 12
- 1
- 14-1/4
- 12"
- 12-3/4
- 19
- 12
- 1
- 17
- 14"
- 14
- 21
- 12
- 1-1/8
- 18-3/4
- 16"
- 16
- 23-1/2
- 16
- 1-1/8
- 21-1/4
- 18"
- 18
- 25
- 16
- 1-1/4
- 22-3/4
- 20"
- 20
- 27-1/2
- 20
- 1-1/4
- 25
- 22"
- 22
- 29-1/2
- 20
- 1-3/8
- 27-1/4
- 24"
- 24
- 32
- 20
- 1-3/8
- 29-1/2
- 26"
- 26
- 34-1/4
- 24
- 1-3/8
- 31-3/4
- 28"
- 28
- 36-1/2
- 28
- 1-3/8
- 34
- 30"
- 30
- 38-3/4
- 28
- 1-3/8
- 36
- 32"
- 32
- 41-3/4
- 28
- 1-5/8
- 38-1/2
- 34"
- 34
- 43-3/4
- 32
- 1-5/8
- 40-1/2
- 36"
- 36
- 46
- 32
- 1-5/8
- 42-3/4
- 38"
- 38
- 48-3/4
- 32
- 1-5/8
- 45-1/4
- 40"
- 40
- 50-3/4
- 36
- 1-5/8
- 47-1/4
- 42"
- 42
- 53
- 36
- 1-5/8
- 49-1/2
- 44"
- 44
- 55-1/4
- 40
- 1-5/8
- 51-3/4
- 46"
- 46
- 57-1/4
- 40
- 1-5/8
- 53-3/4
- 48"
- 48
- 59-1/2
- 44
- 1-5/8
- 56
- 50"
- 50
- 61-3/4
- 44
- 1-7/8
- 58-1/4
- 52"
- 52
- 64
- 44
- 1-7/8
- 60-1/2
- 54"
- 54
- 66-1/4
- 44
- 1-7/8
- 62-3/4
- 60"
- 60
- 73
- 52
- 1-7/8
- 69-1/4
- 66"
- 66
- 80
- 52
- 1-7/8
- 76
- 72"
- 72
- 86-1/2
- 60
- 1-7/8
- 82-1/2
- 84"
- 84
- 99-3/4
- 64
- 2-1/8
- 95-1/2
- 96"
- 96
- 113-1/4
- 68
- 2-3/8
- 108-1/2
Full Face Gaskets for 250/300# ANSI Flanges
- Nominal Pipe
Size - Gasket
ID - Gasket
OD - Number of
Bolt Holes - Bolt Hole
Diameter - Bolt
Circle
- 1"
- 1-5/16
- 4-7/8
- 4
- 3/4
- 3-1/2
- 1-1/4"
- 1-21/32
- 5-1/4
- 4
- 3/4
- 3-7/8
- 1-1/2"
- 1-29/32
- 6-1/8
- 4
- 7/8
- 4-1/2
- 2"
- 2-3/8
- 6-1/2
- 8
- 3/4
- 5
- 2-1/2"
- 2-7/8
- 7-1/2
- 8
- 7/8
- 5-7/8
- 3"
- 3-1/2
- 8-1/4
- 8
- 7/8
- 6-5/8
- 3-1/2"
- 4
- 9
- 8
- 7/8
- 7-1/4
- 4"
- 4-1/2
- 10
- 8
- 7/8
- 7-7/8
- 5"
- 5-9/16
- 11
- 8
- 7/8
- 9-1/4
- 6"
- 6-5/8
- 12-1/2
- 12
- 7/8
- 10-5/8
- 8"
- 8-5/8
- 15
- 12
- 1
- 13
- 10"
- 10-3/4
- 17-1/2
- 16
- 1-1/8
- 15-1/4
- 12"
- 12-3/4
- 20-1/2
- 16
- 1-1/4
- 17-3/4
- 14"
- 14
- 23
- 20
- 1-1/4
- 20-1/4
- 16"
- 16
- 25-1/2
- 20
- 1-3/8
- 22-1/2
- 18"
- 18
- 28
- 24
- 1-3/8
- 24-3/4
- 20"
- 20
- 30-1/2
- 24
- 1-3/8
- 27
- 22"
- 22
- 33
- 24
- 1-5/8
- 29-1/4
- 24"
- 24
- 36
- 24
- 1-5/8
- 32
- 26"
- 26
- 38-1/4
- 28
- 1-7/8
- 34-1/2
- 28"
- 28
- 40-3/4
- 28
- 1-7/8
- 37
- 30"
- 30
- 43
- 28
- 1-7/8
- 39-1/4
- 32"
- 32
- 45-1/4
- 28
- 1-7/8
- 41-1/2
- 34"
- 34
- 47-1/2
- 28
- 1-7/8
- 43-1/2
- 36"
- 36
- 50
- 32
- 2-1/8
- 46
- 38"
- 38
- 52-1/4
- 32
- 2-1/8
- 48
- 40"
- 40
- 54-1/2
- 36
- 2-1/8
- 50-1/4
- 42"
- 42
- 57
- 36
- 2-1/8
- 52-3/4
- 44"
- 44
- 59-1/4
- 36
- 2-1/8
- 55
- 46"
- 46
- 61-1/2
- 40
- 2-1/8
- 57-1/4
- 48"
- 48
- 65
- 40
- 2-1/8
- 60-3/4
Dimensions for API Standard 605 (Class A) - 150# Flanges
- Nominal Pipe
Size - Flange
OD - Raised Face
Diameter - Ring Gasket
OD - Number of Bolt
Holes - Bolt Hole
Diameter - Bolt
Circle
- 26"
- 30.94
- 28.00
- 28.56
- 36
- 0.88
- 29.31
- 28"
- 32.94
- 30.00
- 30.56
- 40
- 0.88
- 31.31
- 30"
- 34.94
- 32.00
- 32.56
- 44
- 0.88
- 33.31
- 32"
- 37.06
- 34.00
- 34.68
- 48
- 0.88
- 35.44
- 34"
- 39.56
- 36.25
- 36.81
- 40
- 1.00
- 37.69
- 36"
- 41.62
- 38.25
- 38.88
- 44
- 1.00
- 39.75
- 38"
- 44.25
- 40.25
- 41.13
- 40
- 1.12
- 42.12
- 40"
- 46.25
- 42.50
- 43.13
- 44
- 1.12
- 44.12
- 42"
- 48.25
- 44.50
- 45.13
- 48
- 1.12
- 46.12
- 44"
- 50.25
- 46.50
- 47.13
- 52
- 1.12
- 48.12
- 46"
- 52.81
- 48.62
- 49.44
- 40
- 1.25
- 50.56
- 48"
- 54.81
- 50.75
- 51.44
- 44
- 1.25
- 52.56
- 50"
- 56.81
- 52.75
- 53.44
- 48
- 1.25
- 54.56
- 52"
- 58.81
- 54.75
- 55.44
- 52
- 1.25
- 56.56
- 54"
- 61.00
- 56.75
- 57.63
- 56
- 1.25
- 58.75
- 56"
- 63.00
- 58.75
- 59.63
- 60
- 1.25
- 60.75
- 58"
- 65.94
- 60.75
- 62.19
- 48
- 1.38
- 63.44
- 60"
- 67.94
- 63.00
- 64.19
- 52
- 1.38
- 65.44
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