EHPR08-33M-4T-N-12DG CARTRIDGE

***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Hydraforce directly.***
The Hydraforce 5278156 (5278156) is a sophisticated EHPR0833X model, designed as a direct-acting, spool-type, proportional pressure reducing and relieving valve. This valve is engineered to regulate pressure proportionally to the input electrical current, offering precise control over hydraulic functions. The EHPR0833X allows free flow from port 1 to port 3 when the coil is not energized. Upon energizing the coil, port 2 connects to port 1, and increasing the current boosts the controlled reduced pressure in a proportional manner. If the pressure at port 1 surpasses the setting induced by the coil's current, it automatically relieves excess pressure back to port 3. This feature ensures operational safety and component protection by maintaining optimal pressure levels. Notably, any back pressure on port 3 adds to the pressure setting at a ratio of 1:1, enhancing functionality under various system conditions. Additional features of this model include standard availability in both 12 and 24-volt coils and an optional manual override for enhanced control flexibility. Designed with an industry-common cavity, it facilitates compatibility and integration into a wide range of hydraulic systems. For environments requiring robust durability against water ingress, optional waterproof E-Coils rated up to IP69K are available, ensuring reliable performance even under severe weather conditions or in washdown applications. The manual override operation can be engaged with just two and a quarter turns and builds pressure at approximately 11.7 bar (170 psi) per turn, providing quick response times and precise manual adjustments when needed.