Direct Acting, Poppet Type, Metric Cartridge - DZ5E

POA

The pressure sequence valve DZ5E is a direct-acting, spring-loaded poppet valve with a built-in check valve.

Indeed, in the normal position, there is a path blockage from port 1 to port 2. If the pressure exceeds the preset spring tension, then the piston and poppet move together in a closed condition to the upper limit of the poppet. Therefore, if the pressure continues to rise, the piston unblocks the path from 1 to 2 (consumer) so that oil can flow.

Moreover, this opens the connection to the additional consumers from port 2. So, in the return direction from port 2 to 1, the spring pushes back the main piston into its initial position and the poppet opens against the corresponding spring. This allows free flow from port 2 to port 1. What's more, the spring chamber pressure is vented to atmosphere.

See datasheet for drawings, dimensions, model code, etc...

Features:
  • To connect additional consumers, it's necessary to reach certain pressures first
  • To connect cylinders in sequence circuits
  • As a pressure relief valve if requirement of free flow happens in the opposite direction
  • Excellent dynamic performance
  • Excellent stability throughout flow range
  • Hardened and ground valve components to ensure minimal wear and extended service life
  • Adjustable throughout flow range
  • Various pressure ranges up to 350 bar
  • Optional zinc-plated version available
Product 
Direct Acting Poppet Type Metric Cartridge DZ5E

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