CV9 Master Catalog

1 Specifications subject to change without notice or incurring obligation Pancake ® Cylinders 1.12 4-23-04 Option Information Original & "T" Series 8 Bores, 1/2" – 4" SOUND LIMITERS Rod End Only -LF Cap End Only -LR Both Rod and Cap Ends -LFR Temperature Range: –25° to +220° F SUFFIX OPTIONS MODEL NUMBER SUFFIX RUBBER BUMPERS Rod End Only -BF Cap End Only -BR Both Rod and Cap Ends -BFR Temperature Range: –25° to +220° F Rubber Standard rubber mass provided will compress and give full stroke at 60-80 psi. Mass can be adjusted to meet your specific pressure and/or dynamic load requirements Sound Limiting O'Ring Cushion A rubber doughnut is bonded to the cylinder head to act as the piston stop and absorb the impact of the piston.This reduces noise and absorbs energy, thus reducing destruction of the cylinder and tooling due to pounding. The amount of rubber that extends beyond the normal piston stop is designed to compress and allow full stroke of the cylinder at 60 to 80 psi. If your application uses lower pressure or has high energy, consult engineering with application details so that rubber mass can be adjusted to meet your specific requirements. On applications such as punching, shearing, etc., where high forces are built up and then very quickly released, the proper method of “CATCH- ING” this load is to adjust the position of the cylinder and tooling so at the point of breakthrough the piston is very close to or touching the bumper. This reduces the dynamic load that the piston and bumper are required to absorb. It is highly recommended that shock absorbers be considered and built into the tooling to assist in absorbing the force and dynamic loads generated in such applications. Because of the temperature limitations of the adhesives involved (-25° to + 220°F) Rubber Bumpers are available in cylinders with standard internally lubricated Buna-N seals only. Use to reduce noise and absorb impact. Note! The springs in single acting models are designed to return only the piston and rod assembly and will not significantly compress the rub- ber bumpers. Available on all series, all bores, all strokes, actions -X, -XK, -O (Cap end only, -BR), -OP (Rod end only, -BF), -XDR, XDRK, -ODR (Cap end only -BR). See Standard Specifications pages of desired bore and action for complete dimensional details. There are no dimensional changes from standard. For applications where you need a small amount of cushion at the end of the cylinder stroke to take out the metallic “slap” of piston head on piston stop. This is accomplished by placing an O'Ring on the piston, and/or in the rear cover so that initial contact is with the elastomer and not metal-to-metal. The Fabco-Air design assures sufficient compression of the seals to allow full stroke. Because of the temperature limitations of the adhesives involved, sound limiters are available in cylinders with internally lubricated Buna-N O'Rings only. Available on all series, all bores, all strokes, actions -X, -O (Cap end only, -LR), -OP, -XDR, XDRK, -ODR (Cap end only -LR). See Standard Specifications pages of desired bore and action for complete dimensional details.There are no dimensional changes from standard. SUFFIX OPTIONS

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