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Rotec
Backing Rings
(Backing Ring for GRP Pipes)
DN (mm)
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All DN (mm)
150
200
250
300
350
400
450
500
600
630
700
800
900
1000
1100
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1300
1350
1400
1500
1600
1800
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2100
2200
2400
Pmax (bar)
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All Pmax (bar)
3
6
10
16
20
25
32
Drilling Standard
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All Drilling Standard
EN1092 PN10
EN1092 PN16
EN1092 PN25
EN1092 PN40
ANSI B16.5 Class 150
ANSI B16.5 Class 300
ANSI B16.47 Class 150
ANSI B16.47 Class 300
JIS B2220 5K
JIS B2220 10K
JIS B2220 16K
JIS B2220 20K
JIS B2220 30K
AS 2129 Table D
AS 2129 Table F
AWWA C207 Class B/D/E
b1 (mm)
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All b1 (mm)
30
32
34
35
36
37
38
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40
42
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52
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54
55
56
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122
126
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131
136
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148
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178
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184
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230
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