Brochure-HDPE-Fittings-2021 - Page 33

Ductile Iron Back-up Rings

SDR 7 ( STANDARD DIMENSION RATIO ) 335 PSI ( WORKING PRESSURE AS 73.4 ° F )
IPS Pipe Dia .
Product Code
Outside Dia . ( inch )
Inside Dia . ( inch )
Flange Thick . ( inch )
Bolt Hole No .
Bolt Hole Dia . ( inch )
Bolt Hole Circle ( inch )
Unit Weight ( lbs .)
FM Pressure Rating ( psi .)
¾ " RO-BRINGS-DI-R7-00.75 3.88 1.12 0.50 4 0.63 2.75 1.10 - 1 " RO-BRINGS-DI-R7-01.00 4.25 1.39 0.56 4 0.63 3.13 1.60 -
• Material : ASTM A536 , G65-45-12
• Description : Convoluted design with heat fused epoxy for use with HDPE flange adapters
• Meets Requirements : Class 150 , Mates with ANSI B16.5 and AWWA C207
1 1/4 " RO-BRINGS-DI-R7-01.25
4.63
1.73
0.63
4
0.63
3.50
1.90
-
1 ½ " RO-BRINGS-DI-R7-01.50
5.00
1.98
0.69
4
0.63
3.88
2.00
-
2 ”
RO-BRINGS-DI-R7-02.00
6.00
2.60
0.75
4
0.75
4.75
2.80
-
3 ”
RO-BRINGS-DI-R7-03.00
7.50
3.75
0.85
4
0.75
6.00
4.00
-
4 ”
RO-BRINGS-DI-R7-04.00
9.00
4.75
0.92
8
0.75
7.50
5.60
-
6 ”
RO-BRINGS-DI-R7-06.00
11.00
6.88
1.00
8
0.88
9.50
8.00
-
8 ”
RO-BRINGS-DI-R7-08.00
13.50
8.88
1.12
8
0.88
11.75
12.5
-
10 ”
RO-BRINGS-DI-R7-10.00
16.00
11.00
1.22
12
1.00
14.25
16.8
-
12 ”
RO-BRINGS-DI-R7-12.00
19.00
13.15
1.48
12
1.00
17.00
26.8
-
Notes : 1 . All dimensions shown are nominal and subject to manufacturing tolerance OD and minimum wall are determined in accordance with ASTM and ANSI standards . Drawing shown is an approximation only . 2 . Back-up Rings are marked to meet the applicable standards . 3 . The maximum pressure for gas applications should be calculated based on the applicable local and federal regulations . 4 . Only fittings with a FM pressure rating are FM approved .
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