Relief Valve – Direct Acting
Installation information

The ‘P’ ports connect to the pressure line and the ‘T’ port connects to the tank line.

Features

• Aluminium Body max. pressure 210 BAR
• Cartridge relief range 40 to 210 Bar
• No leakage
Operation

When the pressure on port ’P’ exceeds the spring setting, the valve opens and allows flow to the ‘T’ port. To adjust the setting of the spring, remove the cap from the end of the cartridge and adjust clockwise to increase the setting and anti-clockwise to reduce the setting.


 
Technical Info          
Stock Code Size Max Max Max Temp Weight
BSPP Pressure flow (c) (Kg)
(BAR) (L.P.M)
VMD3502B3 3/8" 210 35 90 0.40
VMD3503B3 1/2” 210 35 90 0.39
VMD8003B3 1/2” 210 80 90 0.72
VMD8004B3 3/4” 210 80 90 0.70

Dimensional Data
Stock Code A B C D E F G H L M N O
VMD3502B3 65 24 17 20 50 4.5 53 6 3/8” BSPP 35 64 38
VMD3503B3 65 24 17 20 50 4.5 53 6 1/2” BSPP 35 64 38
VMD8003B3 80 27.5 20 23.5 60 5 68 6 1/2” BSPP 40 77 48
VMD8004B3 80 27.5 20 23.5 60 5 68 6 3/4” BSPP 40 77 48