Page 84 - Mechanical Products Installation Handbook IH-1000M

76 GROOVED COUPLINGS Figure 780 Grooved Snap Coupling
(1 of 2)
BC
Split Pin
Nominal Pipe Size
1-1/2 1.900 40 48,3
2-1/2 2.875 65 73,0
A
Maximuma, b Working Pressure psi
bar
300
20,7
300
20,7
300
20,7
300
20,7
300
20,7
300
20,7
Maximumb End Load Lbs. kN
851
3,8
1,947
8,7
2,886
12,8
7,127
31,7
9,955
44,3
17,528
78,0
Maximum End Gap Inches mm
0.06
1,6
0.06
1,6
0.06
1,6
0.13
3,2
0.13
3,2
0.13
3,2
ANSI Inches DN
O.D. Inches mm
1-1/4
32
1.660
42,4
300
20,7
650
2,9
0.06
1,6
2
50
2.375 60,3
300
20,7
1,329
5,9
0.06
1,6
—
65
3.000
76,1
300
20,7
2,121
9,4
0.06
1,6
3 3.500 80 88,9
— 5.500 125 139,7
— 6.500 150 165,1
8 8.625 200 219,1
4
100
4.500
114,3
300
20,7
4,771
21,2
0.13
3,2
5
125
5.565
141,3
300
20,7
7,289
32,4
0.13
3,2
6
150
6.625
168,3
300
20,7
10,341
46,0
0.13
3,2
Notes:
a. Pressure ratings listed are cold water pressure or maximum working pressure within the service temperature range of the gasket used in the coupling.
b. Maximum working pressures and end loads listed are total of internal and external pressures and loads based on Schedule 40 steel pipe grooved in accordance with Standard Cut Groove or Roll Groove Specifications.
• Refer to Technical Data Sheet G145 Figure 780 Grooved Snap Coupling