Dual Pilot Operated Check Valve DIN 2353 type

Installation information

Connect the actuator ports to be controlled with valve ports ‘A2’ and ‘U2’ with special fittings and connect pressure flow to ‘A1’ and ‘U1’.

Features

• Steel Body
• Yellow Zinc Plated
• No Leakage
• Cracking pressure 4 BAR

Operation

When Pressure is applied to port ‘U1’ the valve allows flow from port ‘A2’ to ‘A1’ and likewise when pressure is applied to port ‘A1’ it allows flow from port ‘U2’ to ‘U1’.
 
Technical Info            
Stock Code Size   Max Max Weight Temp Pilot
A1-U1 A2-U2 Pressure Flow (C) Ratio
(BSPP) (MM) (BAR) (L.P.M)  
VRDE01A 1/4" 12 350 20 0.68 1:4.5
VRDE02A 3/8” 15 350 50 0.99 1:4
VRDE03A 1/2" 18 350 80 1.70 1:4

Dimensional Data
Stock Code A B C D E F G H L M Ch
VRDE01A 122 68 1/4" BSPP 38 7 7 40 12 30 13 24
VRDE02A 140 80 3/8" BSPP 40 8.5 15 50 12 30 16 27
VRDE03A 180 90 1/2" BSPP 40 8.5 15 60 12 40 20 30