Pipe Fittings Data

Reference table for pipe fitting descriptions, codes, and their respective K-Factors (friction loss coefficients). Select a category below.

Bends & Elbows

Data for bends & elbows

Fitting DescriptionCodeSize (Metric)Size (Imperial)K-Factor
Standard BendSB6 mm1/8"1
Standard BendSB7 mm3/16"0.96
Standard BendSB8 mm1/4"0.92
Standard BendSB9 mm5/16"0.92
Standard BendSB10 mm3/8"0.87
Standard BendSB12 mm7/16"0.84
Standard BendSB15 mm1/2"0.81
Standard BendSB18 mm5/8"0.78
Standard BendSB20 mm3/4"0.75
Standard BendSB22 mm7/8"0.73
Standard BendSB25 mm1"0.69
Standard BendSB32 mm1-1/4"0.66
Standard BendSB40 mm1-1/2"0.63
Standard BendSB50 mm2"0.57
Standard BendSB65 mm2-1/2"0.54
Standard BendSB80 mm3"0.53
Standard BendSB90 mm3-1/2"0.52
Standard BendSB100 mm4"0.51
Standard BendSB125 mm5"0.49
Standard BendSB150 mm6"0.45
Standard BendSB200 mm8"0.42
Standard BendSB250 mm10"0.42
Standard BendSB300 mm12"0.39
Standard BendSB350 mm14"0.39
Standard BendSB380 mm15"0.39
Standard BendSB400 mm16"0.39
Standard BendSB450 mm18"0.36
Standard BendSB500 mm20"0.36
Standard BendSB550 mm22"0.36
Standard BendSB600 mm24"0.36
Standard BendSB650 mm26"0.36
Standard BendSB700 mm28"0.36
Standard BendSB750 mm30"0.36
Standard BendSB800 mm32"0.36
Standard BendSB850 mm34"0.36
Standard BendSB900 mm36"0.36
Standard BendSB950 mm38"0.36
Standard BendSB1000 mm40"0.36
Standard BendSB1050 mm42"0.36
Standard BendSB1200 mm48"0.36
Standard BendSB1400 mm54"0.36
Standard BendSB1500 mm60"0.36
Standard BendSB1800 mm72"0.36
Standard BendSB2100 mm84"0.36
Long BendLB6 mm1/8"0.59
Long BendLB7 mm3/16"0.55
Long BendLB8 mm1/4"0.49
Long BendLB9 mm5/16"0.49
Long BendLB10 mm3/8"0.46
Long BendLB12 mm7/16"0.44
Long BendLB15 mm1/2"0.43
Long BendLB18 mm5/8"0.42
Long BendLB20 mm3/4"0.4
Long BendLB22 mm7/8"0.39
Long BendLB25 mm1"0.37
Long BendLB32 mm1-1/4"0.35
Long BendLB40 mm1-1/2"0.34
Long BendLB50 mm2"0.3
Long BendLB65 mm2-1/2"0.29
Long BendLB80 mm3"0.28
Long BendLB90 mm3-1/2"0.28
Long BendLB100 mm4"0.27
Long BendLB125 mm5"0.26
Long BendLB150 mm6"0.24
Long BendLB200 mm8"0.22
Long BendLB250 mm10"0.22
Long BendLB300 mm12"0.21
Long BendLB350 mm14"0.21
Long BendLB380 mm15"0.21
Long BendLB400 mm16"0.21
Long BendLB450 mm18"0.19
Long BendLB500 mm20"0.19
Long BendLB550 mm22"0.19
Long BendLB600 mm24"0.19
Long BendLB650 mm26"0.19
Long BendLB700 mm28"0.19
Long BendLB750 mm30"0.19
Long BendLB800 mm32"0.19
Long BendLB850 mm34"0.19
Long BendLB900 mm36"0.19
Long BendLB950 mm38"0.19
Long BendLB1000 mm40"0.19
Long BendLB1050 mm42"0.19
Long BendLB1200 mm48"0.19
Long BendLB1400 mm54"0.19
Long BendLB1500 mm60"0.19
Long BendLB1800 mm72"0.19
Long BendLB2100 mm84"0.19
Pipe BendPB6 mm1/8"0.4
Pipe BendPB7 mm3/16"0.38
Pipe BendPB8 mm1/4"0.36
Pipe BendPB9 mm5/16"0.36
Pipe BendPB10 mm3/8"0.34
Pipe BendPB12 mm7/16"0.33
Pipe BendPB15 mm1/2"0.32
Pipe BendPB18 mm5/8"0.31
Pipe BendPB20 mm3/4"0.3
Pipe BendPB22 mm7/8"0.29
Pipe BendPB25 mm1"0.28
Pipe BendPB32 mm1-1/4"0.26
Pipe BendPB40 mm1-1/2"0.25
Pipe BendPB50 mm2"0.23
Pipe BendPB65 mm2-1/2"0.22
Pipe BendPB80 mm3"0.21
Pipe BendPB90 mm3-1/2"0.21
Pipe BendPB100 mm4"0.2
Pipe BendPB125 mm5"0.19
Pipe BendPB150 mm6"0.18
Pipe BendPB200 mm8"0.17
Pipe BendPB250 mm10"0.16
Pipe BendPB300 mm12"0.16
Pipe BendPB350 mm14"0.16
Pipe BendPB380 mm15"0.16
Pipe BendPB400 mm16"0.16
Pipe BendPB450 mm18"0.17
Pipe BendPB500 mm20"0.17
Pipe BendPB550 mm22"0.17
Pipe BendPB600 mm24"0.17
Pipe BendPB650 mm26"0.17
Pipe BendPB700 mm28"0.17
Pipe BendPB750 mm30"0.17
Pipe BendPB800 mm32"0.17
Pipe BendPB850 mm34"0.17
Pipe BendPB900 mm36"0.17
Pipe BendPB950 mm38"0.17
Pipe BendPB1000 mm40"0.17
Pipe BendPB1050 mm42"0.17
Pipe BendPB1200 mm48"0.17
Pipe BendPB1400 mm54"0.17
Pipe BendPB1500 mm60"0.17
Pipe BendPB1800 mm72"0.17
Pipe BendPB2100 mm84"0.17
Elbow 45 deg.E456 mm1/8"0.55
Elbow 45 deg.E457 mm3/16"0.52
Elbow 45 deg.E458 mm1/4"0.49
Elbow 45 deg.E459 mm5/16"0.49
Elbow 45 deg.E4510 mm3/8"0.46
Elbow 45 deg.E4512 mm7/16"0.45
Elbow 45 deg.E4515 mm1/2"0.43
Elbow 45 deg.E4518 mm5/8"0.42
Elbow 45 deg.E4520 mm3/4"0.4
Elbow 45 deg.E4522 mm7/8"0.39
Elbow 45 deg.E4525 mm1"0.37
Elbow 45 deg.E4532 mm1-1/4"0.35
Elbow 45 deg.E4540 mm1-1/2"0.34
Elbow 45 deg.E4550 mm2"0.3
Elbow 45 deg.E4565 mm2-1/2"0.29
Elbow 45 deg.E4580 mm3"0.28
Elbow 45 deg.E4590 mm3-1/2"0.28
Elbow 45 deg.E45100 mm4"0.27
Elbow 45 deg.E45125 mm5"0.25
Elbow 45 deg.E45150 mm6"0.24
Elbow 45 deg.E45200 mm8"0.22
Elbow 45 deg.E45250 mm10"0.22
Elbow 45 deg.E45300 mm12"0.21
Elbow 45 deg.E45350 mm14"0.21
Elbow 45 deg.E45380 mm15"0.21
Elbow 45 deg.E45400 mm16"0.21
Elbow 45 deg.E45450 mm18"0.19
Elbow 45 deg.E45500 mm20"0.19
Elbow 45 deg.E45550 mm22"0.19
Elbow 45 deg.E45600 mm24"0.19
Elbow 45 deg.E45650 mm26"0.19
Elbow 45 deg.E45700 mm28"0.19
Elbow 45 deg.E45750 mm30"0.19
Elbow 45 deg.E45800 mm32"0.19
Elbow 45 deg.E45850 mm34"0.19
Elbow 45 deg.E45900 mm36"0.19
Elbow 45 deg.E45950 mm38"0.19
Elbow 45 deg.E451000 mm40"0.19
Elbow 45 deg.E451050 mm42"0.19
Elbow 45 deg.E451200 mm48"0.19
Elbow 45 deg.E451400 mm54"0.19
Elbow 45 deg.E451500 mm60"0.19
Elbow 45 deg.E451800 mm72"0.19
Elbow 45 deg.E452100 mm84"0.19
Return BendRB6 mm1/8"1.7
Return BendRB7 mm3/16"1.65
Return BendRB8 mm1/4"1.59
Return BendRB9 mm5/16"1.59
Return BendRB10 mm3/8"1.45
Return BendRB12 mm7/16"1.4
Return BendRB15 mm1/2"1.35
Return BendRB18 mm5/8"1.3
Return BendRB20 mm3/4"1.25
Return BendRB22 mm7/8"1.2
Return BendRB25 mm1"1.15
Return BendRB32 mm1-1/4"1.1
Return BendRB40 mm1-1/2"1.05
Return BendRB50 mm2"0.95
Return BendRB65 mm2-1/2"0.9
Return BendRB80 mm3"0.89
Return BendRB90 mm3-1/2"0.86
Return BendRB100 mm4"0.85
Return BendRB125 mm5"0.81
Return BendRB150 mm6"0.75
Return BendRB200 mm8"0.7
Return BendRB250 mm10"0.7
Return BendRB300 mm12"0.65
Return BendRB350 mm14"0.65
Return BendRB380 mm15"0.65
Return BendRB400 mm16"0.65
Return BendRB450 mm18"0.6
Return BendRB500 mm20"0.6
Return BendRB550 mm22"0.6
Return BendRB600 mm24"0.6
Return BendRB650 mm26"0.6
Return BendRB700 mm28"0.6
Return BendRB750 mm30"0.6
Return BendRB800 mm32"0.6
Return BendRB850 mm34"0.6
Return BendRB900 mm36"0.6
Return BendRB950 mm38"0.6
Return BendRB1000 mm40"0.6
Return BendRB1050 mm42"0.6
Return BendRB1200 mm48"0.6
Return BendRB1400 mm54"0.6
Return BendRB1500 mm60"0.6
Return BendRB1800 mm72"0.6
Return BendRB2100 mm84"0.6
Mitre Bend 45 deg.MB456 mm1/8"0.58
Mitre Bend 45 deg.MB457 mm3/16"0.54
Mitre Bend 45 deg.MB458 mm1/4"0.48
Mitre Bend 45 deg.MB459 mm5/16"0.48
Mitre Bend 45 deg.MB4510 mm3/8"0.44
Mitre Bend 45 deg.MB4512 mm7/16"0.42
Mitre Bend 45 deg.MB4515 mm1/2"0.41
Mitre Bend 45 deg.MB4518 mm5/8"0.4
Mitre Bend 45 deg.MB4520 mm3/4"0.38
Mitre Bend 45 deg.MB4522 mm7/8"0.37
Mitre Bend 45 deg.MB4525 mm1"0.35
Mitre Bend 45 deg.MB4532 mm1-1/4"0.33
Mitre Bend 45 deg.MB4540 mm1-1/2"0.32
Mitre Bend 45 deg.MB4550 mm2"0.29
Mitre Bend 45 deg.MB4565 mm2-1/2"0.27
Mitre Bend 45 deg.MB4580 mm3"0.27
Mitre Bend 45 deg.MB4590 mm3-1/2"0.27
Mitre Bend 45 deg.MB45100 mm4"0.26
Mitre Bend 45 deg.MB45125 mm5"0.25
Mitre Bend 45 deg.MB45150 mm6"0.23
Mitre Bend 45 deg.MB45200 mm8"0.21
Mitre Bend 45 deg.MB45250 mm10"0.21
Mitre Bend 45 deg.MB45300 mm12"0.2
Mitre Bend 45 deg.MB45350 mm14"0.2
Mitre Bend 45 deg.MB45380 mm15"0.2
Mitre Bend 45 deg.MB45400 mm16"0.2
Mitre Bend 45 deg.MB45450 mm18"0.18
Mitre Bend 45 deg.MB45500 mm20"0.18
Mitre Bend 45 deg.MB45550 mm22"0.18
Mitre Bend 45 deg.MB45600 mm24"0.18
Mitre Bend 45 deg.MB45650 mm26"0.18
Mitre Bend 45 deg.MB45700 mm28"0.18
Mitre Bend 45 deg.MB45750 mm30"0.18
Mitre Bend 45 deg.MB45800 mm32"0.18
Mitre Bend 45 deg.MB45850 mm34"0.18
Mitre Bend 45 deg.MB45900 mm36"0.18
Mitre Bend 45 deg.MB45950 mm38"0.18
Mitre Bend 45 deg.MB451000 mm40"0.18
Mitre Bend 45 deg.MB451050 mm42"0.18
Mitre Bend 45 deg.MB451200 mm48"0.18
Mitre Bend 45 deg.MB451400 mm54"0.18
Mitre Bend 45 deg.MB451500 mm60"0.18
Mitre Bend 45 deg.MB451800 mm72"0.18
Mitre Bend 45 deg.MB452100 mm84"0.18
Mitre Bend 90 deg.MB906 mm1/8"2
Mitre Bend 90 deg.MB907 mm3/16"1.95
Mitre Bend 90 deg.MB908 mm1/4"1.9
Mitre Bend 90 deg.MB909 mm5/16"1.9
Mitre Bend 90 deg.MB9010 mm3/8"1.75
Mitre Bend 90 deg.MB9012 mm7/16"1.69
Mitre Bend 90 deg.MB9015 mm1/2"1.62
Mitre Bend 90 deg.MB9018 mm5/8"1.56
Mitre Bend 90 deg.MB9020 mm3/4"1.5
Mitre Bend 90 deg.MB9022 mm7/8"1.44
Mitre Bend 90 deg.MB9025 mm1"1.38
Mitre Bend 90 deg.MB9032 mm1-1/4"1.32
Mitre Bend 90 deg.MB9040 mm1-1/2"1.26
Mitre Bend 90 deg.MB9050 mm2"1.14
Mitre Bend 90 deg.MB9065 mm2-1/2"1.08
Mitre Bend 90 deg.MB9080 mm3"1.06
Mitre Bend 90 deg.MB9090 mm3-1/2"1.04
Mitre Bend 90 deg.MB90100 mm4"1.02
Mitre Bend 90 deg.MB90125 mm5"0.96
Mitre Bend 90 deg.MB90150 mm6"0.9
Mitre Bend 90 deg.MB90200 mm8"0.84
Mitre Bend 90 deg.MB90250 mm10"0.84
Mitre Bend 90 deg.MB90300 mm12"0.78
Mitre Bend 90 deg.MB90350 mm14"0.78
Mitre Bend 90 deg.MB90380 mm15"0.78
Mitre Bend 90 deg.MB90400 mm16"0.78
Mitre Bend 90 deg.MB90450 mm18"0.72
Mitre Bend 90 deg.MB90500 mm20"0.72
Mitre Bend 90 deg.MB90550 mm22"0.72
Mitre Bend 90 deg.MB90600 mm24"0.72
Mitre Bend 90 deg.MB90650 mm26"0.72
Mitre Bend 90 deg.MB90700 mm28"0.72
Mitre Bend 90 deg.MB90750 mm30"0.72
Mitre Bend 90 deg.MB90800 mm32"0.72
Mitre Bend 90 deg.MB90850 mm34"0.72
Mitre Bend 90 deg.MB90900 mm36"0.72
Mitre Bend 90 deg.MB90950 mm38"0.72
Mitre Bend 90 deg.MB901000 mm40"0.72
Mitre Bend 90 deg.MB901050 mm42"0.72
Mitre Bend 90 deg.MB901200 mm48"0.72
Mitre Bend 90 deg.MB901400 mm54"0.72
Mitre Bend 90 deg.MB901500 mm60"0.72
Mitre Bend 90 deg.MB901800 mm72"0.72
Mitre Bend 90 deg.MB902100 mm84"0.72