CONTAINED BLOCK TYPE ULB-046-300

Product Description

The contained block protects the spring chamber of single-acting actuators from corrosion, e.g. by aggressive gases in the atmosphere. The block is to be connected at the NAMUR-connection of the actuator and bears a further connection for NAMUR-solenoid valves resp. a 1/4″ air connection.

Function

By A1 inflexing pressure air will go to chamber A and moves the pistons against spring force to the outer side. At disconnecting of the pressure air, the air content of spring chamber A moves to spring chamber B and additionally into the atmosphere (B1). Intrusion of air from outside into the spring chamber is protected, therefore.

Special Features

• Additional quick exhaust air
• By further accessory a throttle can regulate the spring stroke time