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Fig 542

FIG 542

Nabic Pressure Relief Valves are intended for use where pressure tightness is required on the discharge side of the valve.

They are ideal for pump relief, bypass relief, outside installations and inert gases.

Features & Benefits

 

  • Flanged inlets available
  • Body material - Gunmetal
  • Available with Viton seat design
  • NPT Thread form available on some sizes
  • Resilient PTFE seating design
  • High degree of seat tightness
  • Suitable liquids and gases
  • Top guided working parts
  • Pressure tight on discharge side

Approved and certified in accordance with:

 

  • WRAS
  • ISO 9001:2000
  • Pressure Equipment Directive 97/23/EC" (PED)
  • BS EN ISO 4126-1

Dimensional Drawing

FIG542 Diagram

Dimensions

SIZE

DN

R

BSP

A

MM

B

MM

C

MM

D

MM

15 1/2 30 23 113 -
20 3/4 34 23 118 -
25 1 39 27 132 -
32 11/4 46 33 153 27
40 11/2 54 38 198 27
50 2 64 46 236 27
65 21/2 76 55 275 28
80 3 90 65 335 31

 Pressure / Temperature Ratings

Max Set Pressure 10.5 bar
Max Temperature 195°C
 

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