StrongArm Lift Support Features- Cylinder-Heavy gauge steel body, painted and cured to a glossy finish.
- Piston Rod-Chromium-plated, hardened steel, precision-ground and highly polished.
- Piston Assembly-Self-cleaning design automatically opens during each stroke to keep the piston area free of contaminants.
- Sealing System-This is the area where most manufacturers differ in their approach. StrongArm uses a patented Triple-Lobe Rubber Seal, as well as a Rubber O-Ring Piston Seal.
- Seal Backup System-Teflon ring, functions as a backup to the seal system, unique to StrongArm. Prevents seal wear.
- Nitrogen Gas Charge-Gas springs are charged with nitrogen up to 2500 psi. Nitrogen does not react with any of the internal components. The amount of charge varies from 1/3 gram in the smallest springs to about 24 grams in the largest. Nitrogen is inert and is not flammable.
- Glycol Fluid-Lubricant for internal components. Also provides dampening to slow down movement of liftgate just prior to full open. This is a high viscosity index synthetic oil with a pour point of -70°F.
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