EconoMAX Air Cylinder Comparison Chart
Standard Aluminum Air Cylinder
| Aluminum, anodized - will corrode from salt and leak at barrel. 1 year limited warranty.
||Head Cap||Steel Zinc plated- 320 hours of salt spray, will not corrode and leak. 2 year warranty.
| Aluminum, anodized - will corrode from salt and leak at barrel, bolt on clevis could vibrate loose.
||Rear Cap||Steel Zinc plated- 320 hours of salt spray, will not corrode and leak, clevis is integral to cap for Maximum strength.
| Lip seals tear easily and do not last as long.
||Piston Seals||T-Seal best seal for low temperature and resists being cut from ice (used on landing gear). Temp -65F to +225F.|
| Usually does not have one.
||Piston Guide||Gives extra support on rod critical when tarp cylinder is extended and truck is moving.|
|Not designed or supported mechanically for the misalignment stresses produced by a Motor Vehicle.||Bearing||Totally Enclosed Long Nose housing providing a Solid Steel backing and support for the Bronze Lube-for-Life Bearing. Superior Rod support to address bounce and misalignment.|
| Buna material is softer and can be damaged from baked on dirt and salt.
||Rod Wiper||Urethane HW style, very hard material helps to wipe off caked on dirt and road salt. Temp -65F to +220F.|
|60 durometer Buna pressure.
||Rod Seals||80 durometer Navy Spec. Buna pressure energized seal has tougher skin to resist cutting. Temp -40F to +220F.|
|Clear Hard Coated aluminum.||Barrel||Options=Hard Coated Aluminum, Stainless Steel and Light Weight Fiberglass Composite tubing.
|Chrome Plated-Pitts, Flakes off, Chips and cuts Rod Seals.||Piston Rod||Black Nitriding has 3 times the Service Life of Chrome. And a hardness of 64 to 71 Rc to protect against contact Damage.|
|Steel, will rust.||Tie Rods||Stainless steel, will never rust.|
|Steel sleeve nuts will corrode making it impossible to repair.||Tie Rod Nuts||Stainless steel, easy to repair|