Overview of Gas Springs:
Gas springs are pneumatic force accumulators used primarily for lifting, holding open, and smoothly lowering hatches, covers, lids, and doors. They operate by utilizing the pressure of compressed nitrogen gas within a tube, which provides the extension force due to the pressure difference between the internal tube and atmospheric pressure. The gas flows through a self-cleaning orifice in the piston rod, causing the spring rod to extend.

Specifications and Installation:
Each gas spring tube contains a small amount of oil for lubrication and damping. Ideal installation involves mounting the spring at a 30° angle from the vertical axis with the piston rod towards the hinge point for optimal performance. For applications with large opening angles, a piston rod pointing upwards may be more suitable.

Warnings and Precautions:
- Protect the rod surface from damage.
- Avoid lateral loads and ensure attachment pivots are aligned.
- Follow installation instructions for correct orientation.
- Avoid tensile forces exceeding the specified output force.
- Operating temperature range is -30°C to +80°C.

Materials and End Fittings:
Gas springs are available with nitro-protected steel rods and marine corrosion-resistant cylinders. End fittings are available in various types, including welded and threaded eyelets, and must be ordered separately.

Applications and Packaging:
Uflex provides gas springs in various pressures to suit different installation needs. Customers are advised to select the most appropriate type for their specific application. Gas springs are available in OEM or aftermarket packaging.

Product Models and Specifications:
The document lists various models of gas springs, detailing their total length, stroke, output force, rod diameter, and end fitting types. Models include U95, U140, U235, U260, U300, UB100, UB120, UB150, UB180, UB250, UB300, USS100, USS120, USS150, USS180, USS250, and USS300, each with specific measurements and force outputs.

Mounting Brackets:
Various mounting brackets are available, including black thermoplastic brackets with zinc-plated steel studs and polished stainless steel brackets. These are designed to carry ball bearing end fittings and are available in flat and square bent configurations with forward or reverse attachment points.