Products

Pneumatic Fittings: Fast, Reliable Connections for Your Air Systems

In a pneumatic system, every connection must combine speed, tightness, and durability. At Hydraulic Fluid Systems (HFS), we know that an air leak means lost pressure, wasted energy, and reduced efficiency across the entire installation. That’s why we offer a complete line of pneumatic fittings and couplings engineered to ensure secure, leak-free connections that are quick to assemble in any application.

Connection Solutions for Every Pneumatic Need

Each system demands the right type of connection based on its pressure, assembly speed, and operating environment. Our catalog covers the full range:

  • Push-in Fittings: The fast, tool-free solution. Simply insert the tubing for an instant, secure seal, ideal for installations that require quick assembly and frequent line changes.
  • Threaded Fittings: Robust connections that guarantee a tight, permanent seal in high-pressure lines and applications demanding maximum reliability.
  • Quick Couplings: Designed to connect and disconnect lines in seconds without tools, perfect for tools, equipment, and points that require frequent coupling and uncoupling.
  • Plastic Fittings: Lightweight, corrosion-proof, and cost-effective. The ideal choice for low-pressure lines and environments where chemical resistance and reduced weight are priorities.
  • Adapters: A wide range of adapters that resolve any thread, diameter, or configuration requirement, allowing you to connect components of different standards with full compatibility.

Tightness and Efficiency in Every Line

In pneumatics, a minor leak quietly drives up energy costs and undermines performance. The components supplied by HFS are manufactured under certified quality standards with full component traceability to offer you:

  • Guaranteed Leak-Free Sealing: Precise tolerances and quality seals that eliminate air loss and keep system pressure stable.
  • Fast, Reliable Assembly: Designs that simplify installation and reduce downtime, without sacrificing connection strength.
  • Resistance to the Work Environment: Materials selected to withstand vibration, chemical agents, and temperature changes, extending the service life of every connection.

Specialized Guidance on Selection and Compatibility

Every pneumatic line requires the right combination of diameter, thread type, and connection method. Backed by over two decades of mobile hydraulics expertise, our engineering team helps you select the exact fittings and couplings your application needs, ensuring a tight, durable, and easy-to-maintain installation.

Connect your pneumatic system with total confidence. Contact us to find the exact fitting, coupling, or adapter your operation needs, backed by HFS’s technical support.

Our products

Applied Hydraulic Engineering Solutions for Mobile Equipment and Specialty Vehicles

At HFS, we develop and integrate complete hydraulic systems and certified components engineered for demanding environments. Every product we offer is selected and validated based on performance, durability, and regulatory compliance, meeting relevant international
and U.S. standards.

Our product range is tailored for industries such as construction, forestry, mining, heavy-duty transport, agriculture, maritime operations, and waste management.

In addition to maintaining local inventory in the U.S., we provide full technical consulting to define the exact configuration needed for each system—based on vehicle type, flow rate, operating pressure, and field conditions.

MAIN PRODUCT LINES

Power Take-Offs (PTOs)

For European and North American transmission systems

High-performance hydraulic pumps and motors

(Gear, vane, piston types)

Standard and custom-built industrial hydraulic cylinders

Directional, proportional, and sequential control valves

Hydraulic Power Units (HPUs)

Modular or fully customized

Hydraulic reservoirs with integrated filtration systems and electronic sensors

Hydraulic oil coolers

For mobile and stationary applications

Splitter boxes and transfer cases

For multi-purpose vehicles

Pre-assembled hydraulic hose sets

With certified fittings (SAE, BSP, NPT standards)

Custom hydraulic kits

For truck-mounted cranes, hooklifts, forestry trucks, dump bodies, and more

Auxiliary pneumatic system components

With certified fittings (SAE, BSP, NPT standards)

Certified spare parts

for legacy systems and fleet upgrades