Standard Bellofram Diaphragm Air Cylinders are available in eight sizes. Each size is available in both a spring-return and a double-acting variety, with one or two stroke variations.

Four-inch, six-inch, and nine-inch sizes have impact-extruded aluminum shells. Larger sizes have steel shells. The rods are steel that is ground, polished and hard-chrome plated. Bearings are sintered bronze, molybdenum disulphite impregnated. Other components are high strength materials with suitable corrosion resistant treatment. All Standard cylinders can be ordered with either no spring, or no bearing, as standard options and one of six different mounting options.

Download our Diaphragm Cylinders brochure in Adobe Acrobat PDF format. 

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