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1ST DIN-20022/EN 853
Nominal DiameterΦ
Inside DiameterΦ
Reinforcement
DiameterΦ
Outside
Working Pressure
Proof Pressure
Burst Pressure
Bend Radius
inch
mm
bar
psi
3/16
5
4.6-5.4
8.9-10.1
**
250
3625
540
900
89
1/4
6
6.2-7.0
10.8-11.4
15.0-15.8
225
3263
102
5/16
8
7.7-8.5
12.5-13.1
16.8-17.6
215
3118
510
850
114
3/8
10
9.3-10.1
14.5-15.1
19.0-19.8
180
2610
435
720
127
1/2
12
12.3-13.5
17.7-18.3
22.2-23.0
160
2320
385
640
178
5/8
16
15.5-16.7
21.1-21.7
25.4-26.2
130
1885
315
520
203
3/4
19
18.6-19.8
24.6-25.4
29.4-30.2
105
1523
255
420
241
1
25
25.2-26.4
32.1-32.9
37.6-38.4
88
1276
210
350
305
1-1/4
31
31.4-33.0
40.8-41.6
45.3-46.1
63
914
150
419
1-1/2
38
37.7-39.3
47.2-48.0
51.7-52.5
50
725
120
200
508
2
51
50.4-52.0
59.9-60.7
65.2-66.0
40
580
96
635