HGW Resources

HGW Blog

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

Applications

Stainless Steel Fitting Applications in Corrosive and Clean-Service Systems

HGW Hydraulics on May 8th 2024

Stainless steel and carbon steel can look similar from the outside, but they behave very differently in service. The choice matters mos
Maintenance

Teflon Tape on Brass Fittings: Thread Sealant Uses and Limits

HGW Hydraulics on Apr 30th 2024

Teflon tape, commonly called PTFE tape, is used on pipe threads to reduce friction, help prevent leakage, and reduce thread seizing. It
Materials

Nickel Supply, Stainless Steel, and the Russia-Ukraine War

HGW Hydraulics on Apr 25th 2024

Stainless steel supply is closely tied to nickel. When geopolitical events disrupt nickel availability or pricing, stainless steel comp
Materials

Carbon Steel, Stainless Steel, and Brass Fittings: Compatibility and Limits

HGW Hydraulics on Apr 17th 2024

The material used for tube fittings and adapters matters because it affects pressure capability, corrosion resistance, temperature rang
Maintenance

Hydraulic Contamination Control: Particles, Seals, Fluid Care, and Caps

HGW Hydraulics on Apr 11th 2024

Hydraulic contamination can start with something very small: dust, metal chips, abrasive dirt, moisture, rust particles, or residue lef
Materials

Brass vs Stainless Steel Fittings: Pressure, Temperature, and Corrosion Tradeoffs

HGW Hydraulics on Apr 2nd 2024

Brass and stainless steel fittings are both used in hydraulic, pneumatic, and instrumentation systems. The better choice depends on pre
Materials

Mixing Brass and Stainless Steel Fittings: Compatibility and Corrosion Risks

HGW Hydraulics on Mar 27th 2024

Brass and stainless steel fittings should not be mixed casually. The combination can work in some systems, but it can also create compa
Maintenance

How to Seal Hydraulic Fittings Without Overtightening

HGW Hydraulics on Mar 19th 2024

Properly sealing a hydraulic fitting is not the same as tightening it as much as possible. Over-tightening can strip threads, crush an
Maintenance

Leaking Hydraulic Fittings: Safe Diagnosis and Repair Steps

HGW Hydraulics on Mar 14th 2024

A leaking hydraulic fitting should never be ignored. Even a small leak can bring contamination into the system, waste fluid, create env
Maintenance

Replacing O-Rings in ORFS, ORB, and Quick Connect Couplers

HGW Hydraulics on Mar 6th 2024

O-rings are used in many hydraulic connections because they create a tight seal without relying only on metal-to-metal contact. ORFS fi