Fitting & Valve Selector

Search for fittings by nominal size and type to retrieve standard friction loss coefficients (K-factors).

Nominal Size

Fitting Type

Code	Description	Size (Imperial)	Size (Metric)	K-Factor
SB	Standard Bend	1/8"	6 mm mm	1.000
SB	Standard Bend	3/16"	7 mm mm	0.960
SB	Standard Bend	1/4"	8 mm mm	0.920
SB	Standard Bend	5/16"	9 mm mm	0.920
SB	Standard Bend	3/8"	10 mm mm	0.870
SB	Standard Bend	7/16"	12 mm mm	0.840
SB	Standard Bend	1/2"	15 mm mm	0.810
SB	Standard Bend	5/8"	18 mm mm	0.780
SB	Standard Bend	3/4"	20 mm mm	0.750
SB	Standard Bend	7/8"	22 mm mm	0.730
SB	Standard Bend	1"	25 mm mm	0.690
SB	Standard Bend	1-1/4"	32 mm mm	0.660
SB	Standard Bend	1-1/2"	40 mm mm	0.630
SB	Standard Bend	2"	50 mm mm	0.570
SB	Standard Bend	2-1/2"	65 mm mm	0.540
SB	Standard Bend	3"	80 mm mm	0.530
SB	Standard Bend	3-1/2"	90 mm mm	0.520
SB	Standard Bend	4"	100 mm mm	0.510
SB	Standard Bend	5"	125 mm mm	0.490
SB	Standard Bend	6"	150 mm mm	0.450
SB	Standard Bend	8"	200 mm mm	0.420
SB	Standard Bend	10"	250 mm mm	0.420
SB	Standard Bend	12"	300 mm mm	0.390
SB	Standard Bend	14"	350 mm mm	0.390
SB	Standard Bend	15"	380 mm mm	0.390
SB	Standard Bend	16"	400 mm mm	0.390
SB	Standard Bend	18"	450 mm mm	0.360
SB	Standard Bend	20"	500 mm mm	0.360
SB	Standard Bend	22"	550 mm mm	0.360
SB	Standard Bend	24"	600 mm mm	0.360
SB	Standard Bend	26"	650 mm mm	0.360
SB	Standard Bend	28"	700 mm mm	0.360
SB	Standard Bend	30"	750 mm mm	0.360
SB	Standard Bend	32"	800 mm mm	0.360
SB	Standard Bend	34"	850 mm mm	0.360
SB	Standard Bend	36"	900 mm mm	0.360
SB	Standard Bend	38"	950 mm mm	0.360
SB	Standard Bend	40"	1000 mm mm	0.360
SB	Standard Bend	42"	1050 mm mm	0.360
SB	Standard Bend	48"	1200 mm mm	0.360
SB	Standard Bend	54"	1400 mm mm	0.360
SB	Standard Bend	60"	1500 mm mm	0.360
SB	Standard Bend	72"	1800 mm mm	0.360
SB	Standard Bend	84"	2100 mm mm	0.360
LB	Long Bend	1/8"	6 mm mm	0.590
LB	Long Bend	3/16"	7 mm mm	0.550
LB	Long Bend	1/4"	8 mm mm	0.490
LB	Long Bend	5/16"	9 mm mm	0.490
LB	Long Bend	3/8"	10 mm mm	0.460
LB	Long Bend	7/16"	12 mm mm	0.440
LB	Long Bend	1/2"	15 mm mm	0.430
LB	Long Bend	5/8"	18 mm mm	0.420
LB	Long Bend	3/4"	20 mm mm	0.400
LB	Long Bend	7/8"	22 mm mm	0.390
LB	Long Bend	1"	25 mm mm	0.370
LB	Long Bend	1-1/4"	32 mm mm	0.350
LB	Long Bend	1-1/2"	40 mm mm	0.340
LB	Long Bend	2"	50 mm mm	0.300
LB	Long Bend	2-1/2"	65 mm mm	0.290
LB	Long Bend	3"	80 mm mm	0.280
LB	Long Bend	3-1/2"	90 mm mm	0.280
LB	Long Bend	4"	100 mm mm	0.270
LB	Long Bend	5"	125 mm mm	0.260
LB	Long Bend	6"	150 mm mm	0.240
LB	Long Bend	8"	200 mm mm	0.220
LB	Long Bend	10"	250 mm mm	0.220
LB	Long Bend	12"	300 mm mm	0.210
LB	Long Bend	14"	350 mm mm	0.210
LB	Long Bend	15"	380 mm mm	0.210
LB	Long Bend	16"	400 mm mm	0.210
LB	Long Bend	18"	450 mm mm	0.190
LB	Long Bend	20"	500 mm mm	0.190
LB	Long Bend	22"	550 mm mm	0.190
LB	Long Bend	24"	600 mm mm	0.190
LB	Long Bend	26"	650 mm mm	0.190
LB	Long Bend	28"	700 mm mm	0.190
LB	Long Bend	30"	750 mm mm	0.190
LB	Long Bend	32"	800 mm mm	0.190
LB	Long Bend	34"	850 mm mm	0.190
LB	Long Bend	36"	900 mm mm	0.190
LB	Long Bend	38"	950 mm mm	0.190
LB	Long Bend	40"	1000 mm mm	0.190
LB	Long Bend	42"	1050 mm mm	0.190
LB	Long Bend	48"	1200 mm mm	0.190
LB	Long Bend	54"	1400 mm mm	0.190
LB	Long Bend	60"	1500 mm mm	0.190
LB	Long Bend	72"	1800 mm mm	0.190
LB	Long Bend	84"	2100 mm mm	0.190
PB	Pipe Bend	1/8"	6 mm mm	0.400
PB	Pipe Bend	3/16"	7 mm mm	0.380
PB	Pipe Bend	1/4"	8 mm mm	0.360
PB	Pipe Bend	5/16"	9 mm mm	0.360
PB	Pipe Bend	3/8"	10 mm mm	0.340
PB	Pipe Bend	7/16"	12 mm mm	0.330
PB	Pipe Bend	1/2"	15 mm mm	0.320
PB	Pipe Bend	5/8"	18 mm mm	0.310
PB	Pipe Bend	3/4"	20 mm mm	0.300
PB	Pipe Bend	7/8"	22 mm mm	0.290
PB	Pipe Bend	1"	25 mm mm	0.280
PB	Pipe Bend	1-1/4"	32 mm mm	0.260

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