Dairy Pipelines. Reliability and performance you can trust


Diamond Miniature Pressure Relief Valves


The 1/2” and 3/4” miniature PRV is available for applications not requiring a manual or actuated override. The Miniature PRV has a pressure range of 0.5 to 10 bar.

Ideal for applications where space is at a premium, where cost is critical or where weight is important; the Mini PRV has been designed to meet a wide range of applications.

  • Low cost pressure relief.
  • Clamp, ILC, weld and BSP connections.
  • Tamper proof setting.
  • Easily re-set in line.
  • Low service cost.
  • Steam sterilisible.
  • 316L forged material.
  1/2” CLAMP 3/4” CLAMP 1/2” ILC

3/4” ILC

1/2” BSP FEMALE

1/2” BSP MALE

3/4”BSP MALE

1/2” PLAIN

3/4” PLAIN

A (mm)

42.5

42.5

37

40

51

41

55

34

34

B (mm)

41

26

35

23.5

35

25

40

20

5

C (mm)

145

130

139

127.5

139

130

144

124

109

Group use according to the Pressure Equipment Directive
With regard to the Pressure Equipment Directive (PED) the Pressure Relief Valves produced by DPL are designated as manufactured to Sound Engineering Practice (not to be CE marked). The valves are for use with piping media content within Group 2 and a pressure range 0 to 10 bar g.
Accordingly DPL valves are marked with the relevant directive number and S.E.P.