K05 Light Weight Flexible Coupling

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Nominal Size Inches	Pipe OD Inches	UL / FM Pressure	Maximum Working Pressure	Dimension D Inches	Dimension L Inches	Dimension W Inches	Bolt/Nut Size Inches
1	1.315	300 psi	500 psi	2.17	3.82	1.77	3/8 x 1 1/2
1 1/4	1.660	300 psi	500 psi	2.50	4.23	1.77	3/8 x 1 1/2
1 1/2	1.900	300 psi	500 psi	2.72	4.49	1.77	3/8 x 1 1/2
2	2.375	300 psi	500 psi	3.29	4.88	1.81	3/8 x 2 1/8
2 1/2	2.875	300 psi	500 psi	3.74	5.51	1.81	3/8 x 2 1/8
3	3.500	300 psi	500 psi	4.49	6.14	1.81	3/8 x 2 1/8
4	4.500	300 psi	500 psi	5.59	7.44	1.97	1/2 x 2 1/2
5	5.563	300 psi	500 psi	6.69	8.74	1.97	1/2 x 2 1/2
6	6.625	300 psi	500 psi	7.72	9.61	1.97	1/2 x 2 1/2
8	8.625	300 psi	500 psi	9.92	12.44	2.36	5/8 x 3 1/4
10	10.750	300 psi	500 psi	12.56	15.47	2.52	3/4 x 3 1/2
12	12.750	300 psi	500 psi	14.72	17.83	2.56	3/4 x 4 1/4
14	14.000	300 psi	500 psi	18.09	20.08	2.95	3/4 x 4 1/4

Flexible Couplings in straight runs should be supported as close to the coupling as possible, or within the distance of 1/6 the span, and evenly spaced.
Flexible Couplings provide either axial or longitudinal movement. The available movement for roll-grooved joints is 1/2 of cut-groove dimensions per ANSI/AWWA C606-06.
When pre-setting power nut-drivers, the following torque should not be exceeded. Excessive tightening of the nuts could result in joint failure. (Values Lbs-Ft.) 3/8″=50-59; 1/2″=81-92; 5/8″=147-190; 3/4″=177-179; 7/8″=202-221.
Coating options: Epoxy, Paint, Dacromet, Hot-Dip Galvanized.