HGW Resources

HGW Blog

Practical guides for identifying hydraulic fittings, comparing connection styles, checking applications, reviewing materials, and finding relevant HGW product categories.

Maintenance

Measuring Hydraulic GPM at the Function That Is Actually Slow

HGW Hydraulics on Dec 31st 2025

A pump catalog may list a flow rate, but that number does not prove how many gallons per minute reach a cylinder on a warm machine under load. Real circuit flow changes with pump speed, displacement control, internal leakage, valve position, fluid condition, and the pressure losses between the measurement point and the actuator. The useful question is not simply “What is the system GPM?” It is “Wh
Maintenance

Maintain a Hose Crimper through Cleanliness, Lubrication, and Calibration

HGW Hydraulics on Dec 25th 2025

A hose crimper does more than move dies. It must repeatedly produce the specified finished diameter or other acceptance condition for a qualified hose-and-coupling system. Maintenance should therefore protect both machine life and assembly accuracy. Lubrication is one control, not a universal product recommendation. Follow the machine's lubrication map Identify slide surfaces, master dies, pi
Fitting Guides

Use Push-In Fittings When Tube Preparation and Access Stay Controllable

HGW Hydraulics on Dec 16th 2025

Push-in fittings can eliminate flaring, soldering, solvent curing or compression-nut make-up in selected systems. Their installation speed is real only when tube preparation, insertion and later inspection remain controlled. A joint hidden behind a panel deserves more—not less—evidence before it is closed in. Compare complete joining methods Soldered metal pipe, solvent-cemented plastic, compressi
Connection Types

Replacing Plastic Air-Brake Tube Fittings as an Approved Assembly

HGW Hydraulics on Dec 10th 2025

An air-brake fitting is not approved merely because it accepts the same outside-diameter nylon tube. Compliance applies to the tubing, end fitting, assembly, installation, and vehicle application as a system. A repair should therefore reproduce an approved configuration rather than substitute a generic pneumatic connector. In the United States, FMVSS No. 106 includes performance and marking requir
Applications

Regionalize Construction Hydraulic Spares Without Fragmenting Part Control

HGW Hydraulics on Dec 2nd 2025

Construction equipment is supported through manufacturers, dealers, rental fleets, distributors and field repair shops. This network puts service close to jobsites, but it can also split demand across regions, machine generations and connection standards. Regional inventory helps only when every stocked item remains tied to a controlled machine and part definition. Map demand by machine and failur
Applications

Use MRP to Protect Both Equipment Production and Hydraulic Spare Demand

HGW Hydraulics on Nov 27th 2025

Construction equipment procurement has two competing clocks. Production needs complete bills of material for scheduled machines, while dealers and owners need replacement parts for equipment already working. Fragmented global supply makes both streams depend on accurate part identity and timing. MRP can calculate requirements, but procurement must manage the assumptions behind them. Separate depen
Applications

Plan a Hydraulic Supply Facility around Material Flow and Quality Control

HGW Hydraulics on Nov 19th 2025

A headquarters or warehouse expansion should start with operational constraints rather than a competitor's construction phases, office counts or completion date. For a hydraulic supplier, the useful question is how people, inventory and quality records will move through the building. No project detail should be presented as an HGW facility fact unless it has been approved and documented. Trac
Applications

Matching Agricultural Hydraulics to Machines, Implements, and Field Conditions

HGW Hydraulics on Nov 13th 2025

Agricultural hydraulics must do more than move a cylinder in a controlled shop. A tractor may connect to implements from different manufacturers, work far from service support, run through dust and crop residue, and change jobs several times in one season. The practical advantage of fluid power is its ability to deliver controllable force to many machine functions; the design challenge is making t
Applications

Where Hydraulics Fit in Hybrid and Electric Construction Machines

HGW Hydraulics on Nov 4th 2025

Electrifying a construction machine does not necessarily remove hydraulics. It changes how energy reaches the pump, how unused energy may be recovered, and how the engine can be separated from individual work functions. The useful comparison is therefore not “electric versus hydraulic,” but the complete path from stored energy to traction, lifting, steering, and attachment motion. Different machin
Fitting Guides

Controlling Hydraulic Speed Without Confusing Flow, Pressure, and Direction

HGW Hydraulics on Oct 29th 2025

A slow cylinder is not automatically a low-pressure problem, and a higher pressure setting does not automatically make an actuator move faster. Hydraulic motion comes from a relationship among available flow, the load, the actuator geometry, the valve state, and losses along the path. Troubleshooting becomes clearer when the circuit is divided into three questions: where does the fluid volume come