Pneumatic And Hydraulic Equipment Page 783

N O R G R E N Operating Temperatures: Series EA -20 F to 200 F (-29 C to 107 C) with Viton Seals -20 F to 400 F (-29 C to 204 C) Operating Pressure: 250 PSIG Air (10 Bar) EA & EJ Cylinders cannot be used in hydraulic applications. EA Bore Sizes: 1-1/2", 2", 2-1/2", 3-1/4", 4", 5", 6", 7", 8" EJ Bore Sizes: 1-1/2", 2", 2-1/2", 3-1/4", 4", 5", 6", 7", 8", 10" 12" EA Supply: Filtered compressed air to 250 PSI Lubrication: None required Norgren Air Cylinders are rated for "no lube added" service. All internal components are lubricated at time of assembly with a Teflon based grease. Side Loading: Cylinders are specifically designed to push and pull. Side loading (mis align ment) of the piston rod should be avoided to ensure maximum op- erating performance and life. Care should be taken during installation to properly align the load to be moved with the center line of the cylinder. The use of a rod alignment coupler is strongly recommended whenever possible. EA Materials: Head and End Caps: black anodized 6061-T6 aluminum Tube: 6063-T832 aluminum, clear anodized O.D., hardcoat anodized I.D. Rod: hard chrome plated steel Piston: machined high-strength aluminum alloy Rod Bearing: oil impregnated sintered iron Seals: nitrile rod seal, urethane rod wiper, nitrile piston seals, nitrile tube end seals Tie Rods: high-tensile strength steel EJ Materials: Head and End Caps: precision machined steel Tube: 6063-T832 aluminum, clear anodized O.D., hardcoat anodized I.D. Rod: hard chrome plated steel Piston: machined high-strength aluminum alloy Rod Bearing: oil impregnated sintered iron Seals: nitrile rod seal, urethane rod wiper, nitrile piston seals, nitrile tube end seals Tie Rods: high-tensile strength steel Air Cylinder Selection: The proper application and selection of an air cyl- inder requires full consideration of the following: the fluid medium, operating pressures, mounting style, length of stroke, type of rod connection to the load, thrust or mounting tension on the rod, mounting attitude, speed of the stroke and how the load motion will be stopped. The data that follows provides the necessary infor- mation in the evaluation of an average application and will help you in selecting the proper cylinder model and size for your particular application. Note : 1-1/2", 2", 2-1/2", 3-1/4", 4" and 5" bore cylinders with 1/2" to 2" strokes will be furnished with a short head cushion sleeve and short cap cushion spear. Only available on 5/8" and 1" rods. The above specification applies to Series EA & EJ cylinders with standard non-adjustable or optional adjustable cushions. A Major Design and Performance Breakthrough in Air Cylinder Cushioning Systems! Ultra Cushion Series EA & EJ Fixed Cushions Piston and rod assembly for 1-1/2" thru 5" bore cylinders with less than 1/2" stroke, and 6" thru 8" bore cylinders with less than 2" stroke. Piston and rod assembly for 1-1/2" thru 5" bore cylinders with 1/2" to 2" stroke. Figure 1 Figure 2 shows spear exiting cushion seal. Norgren's advanced cushion design features a unique, one-piece, nitrile compound seal that is captured within a precision machined groove. This allows both linear and radial "float" of the cushion seal which virtually eliminates problems associated with misalignment. Integral flow paths molded in the periphery of the seal provide exceptionally fast "out of cushion" stroke reversal without the use of ball checks. Series EA, NFPA Aluminum Air Cylinders (11/2" to 8"), Technical Features Series EJ, NFPA Steel Air Cylinders (11/2" to 12"), Technical Features NFPA AIR CYLINDERS norgren pneumatics JHF Catalog [ Volume 7 ] (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com 783 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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