Pneumatic And Hydraulic Equipment Page 782

12 2 3 4 6 7 13 8 1 11 9 4 8 10 1 EA Series Piston: Machined solid aluminum alloy, light-weight for low inertia, yet strong. Threaded piston is installed with high strength threadlocker adhesive then staked to the piston rod. EJ Series Piston: Machined solid steel, for high strength. Threaded piston is installed with high strength threadlocker adhesive then staked to the piston rod. O-Ring Tube Seal: Buna is standard. (Viton is optional.) Adjustable Captive Cushion Needle (not shown): Fine thread allows for safe and precision adjustment of cushion. 3 Ultra Cushion Seals: Advance design features a unique, one-piece, compound seal of nitrile* captured within a precision machined groove. Linear and radial "float" of the cushion seals eliminates misalignment. Ultra Cushions provide exceptionally fast "out of cushion" stroke reversal. (Head and Cap Cushions are optional.) *Nitrile seals on the 5/8" & 1" rod diameter. For rod sizes 1-3/8" and larger, urethane seals are standard. Impact Dampening Piston Seals: Our patented impact dampening piston seals, in conjunction with our advanced cushion design, decelerate and reduce end-of-stroke noise. Adjustable Captive Cushion Needle (not shown): Fine thread allows for safe and precision adjustment of cushion. Wiper Seal: Lip-type urethane wiper seal keeps contaminates from getting into cylinder by aggressively wiping foreign materials from the piston rod, enhancing the rod seal life. Piston Rod: Hard chrome plated high-tensile steel, ground and polished. EA Series Head/Cap: Precision machined from alloy aluminum, then anodized for corrosion resistance (black finish). EJ Series Head/Cap: Precision machined from steel, then black oxide finished 1-1/2" to 2-1/2" bores. Painted black finish 3-1/4" to 12" bores. 7 6 5 4 2 1 Wear Ring: Reinforced Teflon compounded with polyphenylene sulfide provides supreme wear and excellent bearing support. Tie Rods: High-strength steel maintains uniform compression on tube end seals. EA Series Cylinder Tube: High-strength aluminum alloy ideally suited for air service. The tube is clear anodized on the O.D. and hard anodic coated on the I.D., resulting in a smooth, file hard (60RC), corrosion and score resistant surface finish. EJ Series Cylinder Tube: High-strength aluminum alloy 1-1/2", 2". 2-1/2" bore anodized on the O.D. and hard coat I.D. Steel cylinder tube hard chrome plated I.D. 3-1/4" to 12" bore. 11 10 Rod Seal: Nitrile lip-type seal is pressure energized and wear compensating for durability and long life. Rod Bearing: External removable steel bearing housing (black oxide finish), with an oil-impregnated sintered iron rod bearing. 13 12 9 NFPA AIR CYLINDERS WITH NOISE REDUCTION PISTON SEALS Series EA, NFPA Aluminum Air Cylinders (11/2" to 8"), Cylinder Features Series EJ, NFPA Steel Air Cylinders (11/2" to 12"), Cylinder Features 5 8 Norgren pneumatics (314) 427-0600 800-444-0522 (FAX) 314-427-3502 www. j hf.com JHF Catalog [ Volume 7 ] 782 Prices Subject to Change Without Notice John Henry Foster pneumatic and hydraulic equipment

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