CV9 Master Catalog

Specifications subject to change without notice or incurring obligation 3 Bore Diameter 2" 2-1/2" 3" 4" Rod Diameter 0.75 0.75 0.75 0.88 Rod Area 0.44 0.44 0.44 0.79 Push Area (Single Rod) 3.14 4.91 7.07 12.57 Pull Area 2.70 4.47 6.63 11.97 Round Head Base Weight, lb. 2.21 2.83 3.66 5.98 Square Head Weight, lb. 2.34 3.08 3.27 5.20 Weight Per Inch, lb. 0.18 0.21 0.23 0.34 4-0-08 • Double acting, single rod • Duralon ® rod bushing • Female rod end with wrench flats • Internally lubricated Buna-N O-ring piston and rod seals. • Ports at position #1 • Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air • Max. operating pressure . . . . . . . . . . . . . . . . . . . 250 psi • Min. operating pressure recommended . . . . . . . . 15 psi • Ambient & media temperature range . . . -25° to +250°F • Prelubrication . . . . . . . . . . . . . . Magnalube ® –G Grease • Stroke tolerance . . . . . . . . . . . . . . . . . . . . . . . . . ± 1/64" • Optional – Hydraulic . . . . . . . . . . . . . 500 psi nonshock Square Head Style Round Head Style Available in 2 styles 4 Bore sizes 2" thru 4" Strokes to 12" Longstroke ™ Cylinders Ratings – Standard Units all series Sizing Guide Piston Rod Bushing, anodized aluminum housing with Teflon ® lined Duralon ® insert Groove for magnetic piston position sensing PTFE Bearing Strip is located away from rod bearing for maximum load support Load Capacity (psi) Machine Design 1972/73 Bearing Reference Issue Porous Bronze .............. 4,500 Porous iron................... 8,000 Phenolics...................... 6,000 Nylon ® ......................... 1,000 TFE............................... 500 Reinforced Telfon ® ..... 2,500 *TFE fabric................... 60,000 Polycarbonate............... 1,000 Acetal ........................... 1,000 Carbon-graphite........... 600 * Shows Duralon bearing classification. Not to be used for design purposes. Friction Properties Slip- Coefficient stick Steel-on-steel.................... .50 Yes Bronze-on-steel ................ .35 Yes Sintered Bronze-on-steel with mineral oil ...... .13 No Bronze-on-steel with mineral oil ....... .16 No Copper lead alloy-on-steel .22 Yes Acetal-on-steel ................. .20 No Nylon-on-steel ................. .32 Yes Duralon-on-steel.............. .05 - .16 No Duralon ® Rod Bearings Excel Printed with permission by Rexnord Corp. Piston Seal, internally lubricated O'Ring for long life and improved performance 3.2

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