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ANSI/AWWA C153/A21.53 and AMERICAN Standard
Fastite®, Flex-Ring®, and Lok-Ring® Fittings Joint Dimensions
Joint Dimensions | End Standard Dimensions
Maximum Allowable Separation and Deflection
Fastite** |
Lok-Ring |
16"-48" Flex-Ring** |
ADIP Table No. 4-1
Size
in. |
Dimensions in Inches |
A
Outside
Diameter |
B
Socket
Depth
Flex-Ring |
C
Socket
Depth
Lok-Ring |
D**
Socket
Depth
Fastite |
E*
Bell
O.D.**
Fastite |
F*
Bell
O.D.
Flex-Ring |
G*
Bell
O.D.
Lok-Ring |
| 4 |
4.80 |
- |
- |
3.75 |
- |
7.44 |
- |
| 6 |
6.90 |
- |
- |
3.75 |
- |
9.54 |
- |
| 8 |
9.05 |
- |
- |
4.00 |
- |
11.78 |
- |
| 10 |
11.10 |
- |
- |
4.50 |
- |
14.05 |
- |
| 12 |
13.20 |
- |
- |
4.50 |
- |
16.34 |
- |
| 14 |
15.30 |
- |
- |
4.50 |
- |
19.37 |
- |
| 16 |
17.40 |
7.38 |
- |
4.50 |
20.72 |
21.49 |
- |
| 18 |
19.50 |
8.20 |
- |
4.50 |
22.92 |
23.71 |
- |
| 20 |
21.60 |
8.20 |
- |
4.50 |
25.50 |
25.83 |
- |
| 24 |
25.80 |
8.96 |
- |
8.96 |
30.70 |
30.70 |
- |
| 30 |
32.00 |
9.63 |
- |
9.63 |
37.04 |
37.04 |
- |
| 36 |
38.30 |
9.63 |
- |
9.63 |
43.54 |
43.54 |
- |
| 42 |
44.50 |
10.84 |
- |
7.50 |
48.64 |
50.62 |
- |
| 48 |
50.80 |
12.37 |
10.07 |
8.00 |
55.14 |
56.98 |
55.14 |
| 54 |
57.56 |
- |
10.07 |
8.50 |
62.14 |
- |
62.14 |
| 60 |
61.61 |
- |
10.57 |
8.75 |
66.27 |
- |
66.27 |
| 64 |
65.67 |
- |
10.57 |
9.00 |
70.45 |
- |
70.45 |
Notes:
*Dimensions subject to change at our option.
For Fastite pipe dimensions, see Pipe Joints (Section 2).
For Flex-Ring and Lok-Ring pipe dimensions, see Restrained Joint Pipe (Section 9).
**24''-36'' Flex-Ring and Fastite C153 fittings have the same body, bell, and socket appearance (as per lower right side ''cut'' above Table).
ANSI/AWWA C153/A21.53 and AMERICAN Standard
Fastite Plain End, Flex-Ring End, and Lok-Ring End
Standard Dimensions
Joint Dimensions | End Standard Dimensions
Allowable Separation and Deflection | To Top of Page
ADIP Table No. 4-2
Size
in.* |
A
Outside
Diameter
in. |
B**
Fastite
Minimum
Gauge Length
in. |
D
Flex-Ring
Minimum
Gauge Length
in. |
C
Lok-Ring
Minimum
Gauge Length
in. |
| 4 |
4.80 |
- |
- |
- |
| 6 |
6.90 |
- |
- |
- |
| 8 |
9.05 |
- |
- |
- |
| 10 |
11.10 |
- |
- |
- |
| 12 |
13.20 |
- |
- |
- |
| 14 |
15.30 |
8 |
9 |
- |
| 16 |
17.40 |
8 |
9 |
- |
| 18 |
19.50 |
8 |
9 |
- |
| 20 |
21.60 |
8 |
9 |
- |
| 24 |
25.80 |
8 |
10 |
- |
| 30 |
32.00 |
8 |
10 |
- |
| 36 |
38.30 |
8 |
10 |
- |
| 42 |
44.50 |
8 |
11.5 |
- |
| 48 |
50.80 |
8 |
13 |
12 |
| 54 |
57.56 |
10 |
- |
12 |
| 60 |
61.61 |
10 |
- |
13 |
| 64 |
65.67 |
10 |
- |
13 |
Notes:
*4"-12" Fastite Plain Ends and Flex-Ring Ends are not available on most fittings.
**The laying length of fitting plain ends is not necessarily the same as the gauge length. In general, depending on the fitting configuration (C110 or C153, etc.) and also the size and joint, the laying length of a fitting plain end will be approximately 8"-10" longer than the laying length of the same fitting (with a) bell end. Contact AMERICAN when more precise dimensions are required.
Maximum Allowable Separation
Push-On Fitting Joints
Joint Dimensions | End Standard Dimensions
Allowable Separation and Deflection | To Top of Page
Maximum allowable separation, "S", in a push-on fitting joint is approximately equal to the median pipe diameter in inches times the sine of the deflection angle. This is provided for information only and should not be used to determine precise joint deflection.
Allowable Deflection
Push-On Fitting Joints
ADIP Table 4-3
Size
in. |
Fastite |
Flex-Ring |
Lok-Ring |
Deflection
Angle (Deg.) |
''S''
Separation
in. |
Deflection
Angle (Deg.) |
Deflection
Angle (Deg.) |
| 4 |
5 |
.375 |
5 |
- |
| 6 |
5 |
.562 |
5 |
- |
| 8 |
5 |
.75 |
5 |
- |
| 10 |
5 |
.937 |
5 |
- |
| 12 |
5 |
1.125 |
5 |
- |
| 14 |
5 |
1.312 |
4 |
- |
| 16 |
5 |
1.5 |
3.75 |
- |
| 18 |
3 |
1 |
3.75 |
- |
| 20 |
2.25 |
.875 |
3.5 |
- |
| 24 |
3 |
1.375 |
3 |
- |
| 30 |
2.5 |
1.375 |
2.5 |
- |
| 36 |
2 |
1.375 |
2 |
- |
| 42 |
3 |
2.25 |
2 |
- |
| 48 |
3 |
2.5 |
2.00 |
.5 |
| 54 |
3 |
2.875 |
- |
.5 |
| 60 |
3 |
3.125 |
- |
.5 |
| 64 |
3 |
3.375 |
- |
.5 |
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