Safety Relief Valves
Diaphragm type safety valves, available BSP male and female, or with 'O' Ring connections. Safety relief valves are a necessity for ensuring the safety of sealed systems, to avoid over pressure.
Series
Size BSP
Pressure
Setting Bar
Inc. Gauge
Box Qty
Code
Price £
311 (Fl xFl)
1/2" x 1/2"
2.50
50
311425
4.12
311 (Fl xFl)
1/2" x 1/2"
3.00
50
311430
4.12
311 (Fl xFl)
1/2" x 1/2"
6.00
50
311460
4.12
311 (Fl xFl)
1/2" x 1/2"
7.00
50
311470
4.12
311 (Fl xFl)
1/2" x 1/2"
8.00
50
311480
4.12
311 (Fl xFl)
3/4" x 3/4"
2.50
50
311525
5.97
311 (Fl xFl)
3/4" x 3/4"
3.00
50
311530
5.97
311 (Fl xFl)
3/4" x 3/4"
6.00
50
311560
5.97
311 (Fl xFl)
3/4" x 3/4"
7.00
50
311570
5.97
311 (Fl xFl)
3/4" x 3/4"
8.00
50
311580
5.97
312 (Mi xFl)
1/2" x 1/2"
2.50
50
312425
4.79
312 (Mi xFl)
1/2" x 1/2"
3.00
50
312430
4.79
312 (Mi xFl)
1/2" x 1/2"
6.00
50
312460
4.79
312 (Mi xFl)
1/2" x 1/2"
7.00
50
312470
4.79
312 (Mi xFl)
1/2" x 1/2"
8.00
50
312480
4.79
313 (Fl x Fl)
1/2" x 1/2"
2.50
Yes
50
313425
9.22
313 (Fl x Fl)
1/2" x 1/2"
3.00
Yes
50
313430
9.22
313 (Fl x Fl)
1/2" x 1/2"
6.00
Yes
50
313460
9.22
313 (Fl x Fl)
1/2" x 1/2"
7.00
Yes
50
313470
9.22
313 (Fl x Fl)
1/2" x 1/2"
8.00
Yes
50
313480
9.22
313 (Fl x Fl)
3/4" x 3/4"
2.50
Yes
50
313525
11.37
313 (Fl x Fl)
3/4" x 3/4"
3.00
Yes
50
313530
11.37
313 (Fl x Fl)
3/4" x 3/4"
6.00
Yes
50
313560
11.37
313 (Fl x Fl)
3/4" x 3/4"
7.00
Yes
50
313570
11.37
313 (Fl x Fl)
3/4" x 3/4"
8.00
Yes
50
313580
11.37
314 (Ml x Fl)
1/2" x 1/2"
2.50
Yes
50
314425
9.06
314 (Ml x Fl)
1/2" x 1/2"
3.00
Yes
50
314430
9.06
314 (Ml x Fl)
1/2" x 1/2"
6.00
Yes
50
314460
9.06
314 (Ml x Fl)
1/2" x 1/2"
7.00
Yes
50
314470
9.06
314 (Ml x Fl)
1/2" x 1/2"
8.00
Yes
50
314480
9.06
314 (Ml x Fl)
1/2" x 1/2"
3.00
Gauge Port Only
50
314437
5.97
513 (Fl x Fl)
1/2" x 1/2"
2.50
50
513425
6.21
513 (Fl x Fl)
1/2" x 1/2"
3.00
50
513430
6.21
513 (Fl x Fl)
1/2" x 1/2"
6.00
50
513460
6.21
513 (Fl x Fl)
1/2" x 1/2"
7.00
50
513470
6.21
513 (Fl x Fl)
1/2" x 1/2"
8.00
50
513480
6.21
513 (Fl x Fl)
1" x 1 1/4"
2.50
25
513625
28.07
513 (Fl x Fl)
1" x 1 1/4"
3.00
25
513630
28.07
513 (Fl x Fl)
1" x 1 1/4"
6.00
25
513660
28.07
513 (Fl x Fl)
1" x 1 1/4"
7.00
25
513670
28.07
513 (Fl x Fl)
1" x 1 1/4"
8.00
25
513680
28.07
513 (Fl x Fl)
1 1/4" x 1 1/2"
2.50
10
513725
63.60
513 (Fl x Fl)
1 1/4" x 1 1/2"
3.00
10
513730
63.60
513 (Fl x Fl)
1 1/4" x 1 1/2"
6.00
10
513760
63.60
513 (Fl x Fl)
1 1/4" x 1 1/2"
7.00
10
513770
63.60
513 (Fl x Fl)
1 1/4" x 1 1/2"
8.00
10
513780
63.60
514 (Ml x Fl)
1/2" x 1/2"
2.50
50
514425
6.13
514 (Ml x Fl)
1/2" x 1/2"
3.00
50
514430
6.13
514 (Ml x Fl)
1/2" x 1/2"
6.00
50
514460
6.13
514 (Ml x Fl)
1/2" x 1/2"
7.00
50
514470
6.13
514 (Ml x Fl)
1/2" x 1/2"
8.00
50
514480
6.13
514 (Ml x Fl)
1/2" x 3/4"
3.00
50
532043
12.33
Other sizes and specifications on request
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