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A screw-in, cartridge-style pressure-compensating element, intended for use with a remote fi xed or variable orifice to yield a three-port (bypass-type), pressure-compensated, flow regulating hydraulic valve.
The EC12-40 maintains a constant flow rate from ➂ regardless of load pressure changes in the circuit downstream of ➂The cartridge maintains a constant differential pressure from circuit point P to
port ➂ (see USASI Symbol), thereby regulating the hydraulic flow rate between the two points in the circuit. The EC12-40 is a priority type regulator, delivering pump
flow fi rst to ➂, then bypassing excess to ➁. All ports may be fully pressurized.
• Hardened parts for long life.
• Quiet, modulated response.
• Cost effective cavity.
Operating Pressure: 240 bar (3500 psi)
Flow Rate: 80 lpm (21 gpm) max. regulated; 120 lpm (32 gpm) max. input; 68 lpm (18 gpm) bypass.
Standard Compensator Bias Spring: 6.9 bar (100 psi)
Flow Maintenance: 7.57 to 75.7 lpm (2 to 20 gpm) settings ±10%
Temperature: -40 to 120°C
Filtration: See page 9.010.1
Fluids: Mineral-based or synthetics with lubricating properties at viscosities of 7.4 to 420 cSt (50 to 2000 sus); See Temperature and Oil Viscosity, page 9.060.1
Installation: No restrictions; See page 9.020.1
Cavity: VC12-4; See page 9.112.1
Cavity Tool: CT12-4XX; See page 8.600.1
Seal Kit: SK12-4X-MMM; See page 8.650.1
