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E-LOKC Pilot-to-close, spring-biased closed, unbalanced poppet logic element

Item No.: E-LOKC
The E-LOKC is a pilot-to-close, spring-biased closed, unbalanced poppet logic element. SUN Hydraulics LOKC equivalent.
Description Review
Description

E-LOKC Pilot-to-close, spring-biased closed, unbalanced poppet logic element



SYMBOL



DESCRIPTION

The E-LOKC is a is a pilot-to-close, spring-biased closed, unbalanced poppet logic element.

 

OPERATION

These unbalanced, pilot-to-close logic valves are 2-way switching elements that are spring biased closed. Pressure at either work port 1 or 2 will oppose the spring and tend to open the valve while pressure at port 3 will tend to close it. 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:

l  These valves will work in standard T-19A cavity at lower capacity. To realize the full stated capacity, the T-19AU cavity should be used.

l  Because these valves are unbalanced, operation is pressure dependent. Opening and closing of the poppet are functions of the force balances on three areas: Port 1 = 100%, Port 2 = 80%, and the Pilot Area = 180%.

l  All ports will accept 5000 psi (350 bar).

 

SPECIFICATIONS:

Working Pressure: 350 bar (5000 psi) 

Flow Rating: 1200 L/min (300 gpm)

Maximum Internal Leakage: 10 drops/min.at 110 SUS (24 cSt)

Temperature Range: - 30 °C to +120 °C (- 22 °C F to + 250 °C F)

Fluids: Mineral based fluids with viscosities of 7.4 to 420 cSt (50 to 2000 ssu)

Cavity: T-19AU

 

PERFORMANCE:



DIMENSIONS:

 

ORDER CODE:



AAK Hydraulic Valve is a top manufacturer for Hydraulic Cartridge Directional Control Valves in Ningbo China since 2009.

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

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