DESIGN WORKING PRESSURE – Recommended pressure rating for adaptors manufactured by Burnett & Hillman
Adaptor Pressure Ratings Applicable to Bore Size Only
|
Nominal Bore Dia. |
Design Working Pressure |
Proof Pressure |
Over Pressure |
||||
|
mm |
ins |
BAR |
psi |
BAR |
psi |
BAR |
psi |
|
5 |
1/8 |
350 |
5145 |
525 |
7718 |
1400 |
20580 |
|
6.3 |
1/4 |
450 |
6500 |
675 |
9750 |
1520 |
22000 |
|
10 |
3/8 |
380 |
5500 |
570 |
8250 |
1310 |
19000 |
|
12.5 |
1/2 |
310 |
4500 |
465 |
6750 |
1100 |
16000 |
|
14.25 |
9/16 |
289 |
4250 |
434 |
6375 |
964 |
14170 |
|
16 |
5/8 |
280 |
4000 |
420 |
6000 |
850 |
12350 |
|
19 |
3/4 |
240 |
3500 |
360 |
5250 |
750 |
11000 |
|
25 |
1 |
210 |
3000 |
315 |
4500 |
675 |
9750 |
|
31.5 |
1-1/4 |
170 |
2500 |
255 |
3750 |
530 |
7700 |
|
37.5 |
1-1/2 |
136 |
2000 |
204 |
3000 |
404 |
5940 |
|
50 |
2 |
136 |
2000 |
204 |
3000 |
404 |
5940 |
|
62.5 |
2-1/2 |
84 |
1240 |
126 |
1860 |
245 |
3596 |
|
75 |
3 |
76 |
1120 |
114 |
1680 |
216 |
3170 |
Tube Pressure Ratings Applicable to SWEPTS Only – Not Applicable to PUSH-IN SWEPTS
|
Nominal Bore Dia. |
Design Working Pressure |
Proof Pressure |
Over Pressure |
||||
|
mm |
ins |
BAR |
psi |
BAR |
psi |
BAR |
psi |
|
4.7 |
3/16 |
303.4 |
4400 |
455 |
455 |
910 |
13200 |
|
6.3 |
1/4 |
391 |
5570 |
586 |
586 |
1173 |
17000 |
|
10 |
3/8 |
303.4 |
4400 |
455 |
455 |
910 |
13200 |
|
12.5 |
1/2 |
261 |
3790 |
392 |
392 |
784 |
11370 |
|
16 |
5/8 |
209 |
3030 |
313 |
313 |
626 |
9090 |
|
19 |
3/4 |
216.75 |
3140 |
324 |
324 |
649 |
9420 |
|
25 |
1 |
211.65 |
3070 |
317 |
317 |
634 |
9200 |
|
31.5 |
1-1/4 |
188.7 |
2735 |
282 |
282 |
565 |
8200 |
|
37.5 |
1-1/2 |
173 |
2515 |
260 |
260 |
520 |
7545 |
|
50 |
2 |
130 |
1885 |
195 |
195 |
390 |
5655 |