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GRACO 24B591 – GLC 4400 Series Controller, 9-30 VDC
GLC-4400 Controller DC is a time-based hydraulic grease and GL-1 injector controller with monitoring and optional RPM input count capabilities. This controller is designed for automated lubrication systems in quintuplex frac operations, providing precise control over lubrication cycles and pump operation timing.
Easily manage your automatic lubrication system. Loaded with features and simple to operate. A must-have controller for ensuring critical machine lubrication.
For use with heavy construction, mining and other mobile off-road equipment, in-plant machinery, food and beverage and wind energy applications.
Customize your lubrication time, pressure, cycle counts and machine counts for maximum precision and productivity
Simple icon- and menu-based user interface is easy to setup and operate, saving valuable technician time
Special operation modes save setup and inspection time
Rugged and weatherproof, meeting stringent IP69K protection requirements
Works with single line resistive, single line parallel, series progressive and dual line systems
Additional Specifications
Pump Off Time Setting: 3-6 minutes
| Application | On-Road Vehicles, Off-Road Equipment |
| Compatible Metering Device | Single Line Resistive, Single Line Parallel, Series Progressive |
| Frequency (Hz) | 50/60 |
| Intrusion Rating | IP69K |
| Maximum Operating Temperature (°F) | 145 |
| Maximum Storage Temperature (°F) | 145 |
| Minimum Operating Temperature (°F) | -40 |
| Minimum Storage Temperature (°F) | -13 |
| Overall Depth (in) | 3.6 |
| Overall Height (in) | 4.7 |
| Overall Width (in) | 4.8 |
| Power Consumption (W) | 24 |
| Power Source | DC |
| Series | 4400 |
| Standards Met | CE |
| Type | Lubrication Controller |
| Weight (lb) | 2 |
Features
DC powered operation
Digital control system
Time-based operation with monitoring
Optional RPM input count capability
Designed for triplex pump systems
Time-based operation with monitoring capabilities
Applications
Hydraulic fracturing operations
Triplex pump lubrication
Automated grease injection systems
GL-1 injector control
Oilfield equipment lubrication
Quintuplex pump lubrication systems
Compatible Equipment
Dyna-Star Hydraulic pump systems
Triplex frac pump operations
Three-piston pump configurations
GL-1 injector 5 manifold systems
Related Parts
247574 – Dyna-Star hydraulic pump
114903 – GL-1 injector 3 manifold
24K414 – Pressure switch
124300 – Cable 16 ft for pressure switch
124301 – Connector for pressure switch cable
247574 – Module Pump Hydraulic 60#
563061 – Double Ball Check Valve 48 PSI Nominal Cracking PSI, 1/4″ NPSF (F) x 1/4″ NPSF (F), SS Body/FKM Ball, 7500 PSI
555453 – Steel Hex Shoulder Nipples – Straight, 1/4″ x 1/4″ Threads, 1/4 NPT, Up to 2
156971 – Hose Fitting, 1/4″ NPT(M) x 1/4″ NPT(M), 1/4″ x 1/4″
Kit Contents
77X202 – HP EDS pump, 60 lb reservoir, vent valve, tube-in-tube, auto-fill shutoff, low level signal
77X546 – EDS pump power cable
77X542 – Remote fill manifold
24B591 – GLC-4400 controller DC
563061 – Check valve, double ball (3)
555453 – 1/4 NPT street elbow (3)
156971 – 1/4 NPT hex nipple (3)
24K414 – Pressure switch
114903 – GL-1 injector 3 manifold
17L754 – Clear, polycarbonate dust cap, GL-1 (3)
124300 – Cable 16 ft for pressure switch
124301 – Connector for pressure switch cable
This controller is part of the complete Triplex Frac Kit system and works with pump configurations ranging from 2.75 to 6 inch piston diameters with lube rates from 0.340 to 0.742 cubic inches per hour per piston. This controller is part of the complete Dyna-Star Hydraulic Grease/GL-1 Injectors Quintuplex Kit and works in conjunction with various piston diameter configurations (2.75″ to 6″) for different lube rates and feeder cycles. This controller is specifically designed for the Electric Dyna-Star Grease / GL-1 Injectors Triplex Kit system and works with piston diameters ranging from 2.75 to 6 inches with varying lube rates and feeder cycles.
Reference Manuals
352295 (Page 12) Fracturing Equipment Selection Guide
352376 (Page 9) LubePro Series Pumps
313855 (Page 1) GLC 4400 Lubrication Controller, Manual, Engish
333511 (Page 2) Caterpillar D10 Dozer
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