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E-LOHA8 Vent-to-open, spring-biased closed, unbalanced poppet logic element with pilot source from port 1 and integral T-8A control cavity

Item No.: E-LOHA8
Vent-to-open, spring-biased closed, unbalanced poppet logic element with pilot source from port 1 and integral T-8A control cavity. SUN LOHA8 equivalent.
Description Review
Description

SYMBOLS:


DESCRIPTION
Vent-to-open, spring-biased closed, unbalanced poppet logic element with pilot source from port 1 and integral T-8A control cavity.

OPERATION: 

The E-LOHA8 is an unbalanced, vent-to-open, 2-way logic switching element with an integral pilot control cavity. It is spring biased closed and uses port 1 as a pilot source. With a pilot 2-way valve in the closed position installed in the T-8A cavity, the logic element will remain in the closed position. With the pilot valve open, the logic element will open providing there is a sufficient combination of pressures to overcome the spring force. The force generated at port 3, plus the spring force, must be greater than the sum of the forces acting at port 1 and port 2 for the valve to remain closed. 
NOTE: The pilot area (port 3) is 1.8 times the area at port 1 and 2.25 times the area at port 2. 


FEATURES
* All ports will accept 5000 psi (350 bar). 
These valves have positive seals between port 2 and the pilot area.

* Because these valves are unbalanced, operation is pressure dependent. 
* The -8 control option allows the pilot control valve to be incorporated directly into the end of the logic cartridge via the T-8A cavity. 

 

SPECIFICATIONS:

Max. Operating Pressure: 350 bar (5000 psi) 
Capacity:  320 L/min (80 gpm)

Temperature: - 40°C ~ +120°C (with Standard Buna N seals)

Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus)
Cavity: T-17A

Flow Model Cavity Installation Torque
80 L/min E-LODA-8DN T-11A 40/45 Nm
160 L/min E-LOFA-8DN T-2A 60/70 Nm
320 L/min E-LOHA-8DN T-17A 200/215 Nm
640 L/min E-LOJA-8DN T-19A 465/500 Nm

DIMENSIONS & ORDER CODE


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We guarantee quality for 3 years for non-standard customized valves: No leakage, No Noise, No Vibration.

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