Flex-Lok Ball Joint Pipe

4"–24"

Size
(in.)
A
(in.)
N
(in.)
Working
Pressure1
(psi)
T
Wall
Thickness2
(in.)
Maximum
Joint
Deflection
Maximum
Safe
End Pull
in Tons3
4 4.80 11.79 250 0.41 15° 21
6 6.90 13.91 250 0.43 15° 35
8 9.05 16.38 250 0.45 15° 49
10 11.10 18.84 250 0.47 15° 63
12 13.20 21.56 250 0.49 15° 76
14 15.30 24.43 250 0.51 15° 90
16 17.40 26.78 250 0.52 15° 100
18 19.50 29.70 250 0.534 15° 110
20 21.60 32.59 250 0.544 15° 119
24 25.80 37.29 250 0.564 15° 130

Laying Lengths

Size
in.
L.L.
Maximum
Laying
Length5
(ft.in.)
O.L.
Maximum
Overall
Length6
(ft.in.)
A
(in.)
B
(in.)
Bell Weight
(lbs.)
Ball Weight
(lbs.)
4 20’-6" 20’-9 1/8" 1.38 1.77 33 15
6 20’-6" 20’-9 3/8" 1.38 2.01 51 22
8 20’-6" 20’-9 3/4" 1.42 2.34 66 33
10 20’-6" 20’-10" 1.42 2.61 94 51
12 20’-6" 20’-10 3/8" 1.42 2.91 131 79
14 20’-6" 20’-11" 1.73 3.32 177 183
16 20’-6" 20’-11 1/4" 1.73 3.58 193 225
18 20’-6" 20’-11 5/8" 1.73 3.87 277 297
20 20’-6" 21’-0 1/8" 2.01 4.16 347 375
24 20’-6" 21’-0 3/4" 2.01 4.68 491 552

30"–60"

Size
(in.)
A
(in.)
N
(in.)
Working
Pressure1
(psi)
T
Wall
Thickness
(in.)
Maximum
Joint
Deflection7
Maximum
Safe
End Pull
in Tons3
30 32.00 40.57 250 0.63 15° 225
36 38.30 48.43 250 0.73 15° 255
42 44.50 56.71 250 0.83 15° 305
48 50.80 63.67 250 0.93 15° 350
54 57.56 73.37 250 1.05 15° 450
60 61.61 80.13 250 0.87 15° 500

Laying Lengths

Size
(in.)
L.L.
Maximum
Laying Length5
(ft.in.)
O.L.
Max. Overall
Length6
(ft.in.)
A
(in.)
B
(in.)
Bell
Weight
(lbs.)
Ball
Weight
(lbs.)
30 21’-7" 22’-6 1/2" 4.98 5.78 1098 933
36 22’-1" 23’-2" 6.24 6.41 1752 1561
42 22’-6" 23’-8 3/4" 7.04 7.76 2716 2716
48 22’-6" 23’-10 3/4" 8.02 8.69 3872 3485
54 23’-0" 24’-7 1/2" 9.50 9.97 5875 5440
60 23’-3" 25’-2 3/4" 11.03 10.98 7852 9200

1 The working pressure is AMERICAN’s suggested standard water working pressure. Contact AMERICAN if higher working pressure is involved.

2 Thicknesses correspond to Special Class 56. Check AMERICAN if pipe with other wall thickness is required.

3 Check AMERICAN for greater end-pull requirements.

4 When full of air, pipe of this thickness will float unless weight is added. See Standard Cement Lining weights. Gross weight, including pipe, gland and lining, is painted on each length of Flex-Lok pipe to aid in field calculations of actual buoyancy.

5 The maximum laying length (and accordingly the maximum overall length) is subject to trim pipe allowance in accordance with AWWA C151; also, this is the fully homed or inserted laying length of 4"-24" Flex-Lok pipe. In installations where 4"-24" joints are pulled or extended to metal-binding contact of joint locking members, some slight additional laying length will be gained as a function of the removal of joint assembly space. The joints will seal properly in any axial position from fully homed to fully extended, and with any joint deflection angles up to the maximum rating.

6 Overall length = laying length + A + B.

7 The full 15° rated deflection and laying length of 30"-60" joints is most readily obtained by fully extending the joints.

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