3/2-way valve NO, electropneumatic, series 70 low temperature to -40 °C, G 1/4, without coil, type 70L2020400 - Riegler 149931

The 3/2-way valve NO 70L2020400 switches on an electrical signal, the actual changeover is performed by a pneumatic pilot stage. Switching behaviour: normally open (NO), with the signal applied the working port is shut off and exhausted. Valve 70L2020400 has port G 1/4 female thread and nominal size DN 7.5 mm, flow 1100 Nl/min at 6 bar and Δp 1 bar.

Benefits

• At 6 bar the valve passes 1100 Nl/min with Δp 1 bar and 750 Nl/min with Δp 0.5 bar.
• Valve 70L2020400 operates up to 10 bar, minimum 3 bar at -10 to 60 °C and 5 bar at -40 to -10 °C.
• Medium -40 to 60 °C, ambient -40 to 60 °C.
• Latching manual override for switching without a signal.
• On valve 70L2020400: aluminium valve body, nickel-plated aluminium piston, special steel spring.

Applications

The valve is used for single-acting cylinders, blow-off air and piloting downstream valves. Mounting in-line, directly on the cylinder with a special adapter, or in a row on multi-base plates and supply strips with G 1/4. The low temperature version 70L2020400 is built for medium and ambient temperatures down to -40 °C, such as cold stores or outdoor installations.