Spool Type, Pilot Operated, Metric Cartridge - DB12121PE-01

The DB12121PE is a pilot-operated, spring-loaded spool valve with a pilot drain at port 3.

HYDAC pressure relief valve DB12121PE, corrosion-proof with ground control spool:

This means that any pressure at port 2 has no influence on pressure adjustment. Therefore, if the pressure at port 1 exceeds the preset spring tension, the pilot-stage opens. The oil will flow from behind the main spool to tank port 3. Therefore, the resulting pressure differential causes the main spool to move against the reset-spring. This movement will allow the oil to flow from port 1 to port 2.

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

Features:

• External surfaces zinc-plated and corrosion-proof
• Hardened and ground control spool to ensure minimal wear and extended service life
• Various pressure ranges up to 350 bar
• Quick response
• Increased operating reliability due to protective strainer
• Low hysteresis and excellent stability throughout the flow range
• Compact design enables space-saving installation in connection housings and control blocks
• Additional tank connection to drain the pilot stage