CV9 Master Catalog

Specifications subject to change without notice or incurring obligation 2 Option Specifications 7-3-01 Double Rod Option -DR Hole Thru Double Rod Shaft Single Rod Models Blank – for standard extension per dimension "G". W – for extension to dimension "W". Double Rod Models Blank – "G" both ends. W – "W" extension both ends. GW – "G" extension rod end; "W" extension cap end. WG – "W" extension rod end; "G" extension cap end. G or W + Stroke G or W Rod End Cap End Standard piston rod and rod bushing on both ends of the cyl- inder. Counterbores on both sides of the piston maintain concentricity of the piston rods to each other as well as to the piston O-ring. The piston rods are connected by a high strength stud, sandwiching the piston between the rod faces. The assembly is torqued for proper preload of the stud and clamping of the piston head. Loctite ® on the threads and faces assures sealing and locks the assembly against pounding and vibration. A hole is drilled through the pis- ton rods and the double rod stud. This hole is used for the passage of Vacuum, Air, Gas, Liquid, or any media that is compatible with the stainless steel piston rod and the steel stud. Maximum pressure is SQ . . . . . . -DR "G" rod ext. both ends. SQW . . . . -DR "W" rod ext. both ends. SQGW . . . -DR "G" rod ext. rod end; "W" rod ext. cap end. SQWG . . . -DR "W" rod ext. rod end; "G" rod ext. cap end. SQF . . . . . -DR "G" rod ext. both ends. SQFW . . . -DR "W" rod ext. both ends. SQFGW. . -DR "G" rod ext. rod end; "W" rod ext. cap end. SQFWG. . -DR "W" rod ext. rod end; "G" rod ext. cap end. SQL . . . . . -DR "G" rod ext. both ends. SQLW . . . -DR "W" rod ext. both ends. SQLGW . . -DR "G" rod ext. rod end; "W" rod ext. cap end. SQLWG . . -DR "W" rod ext. rod end; "G" rod ext. cap end. 2.10 Piston Counterbores Rod Rod Stud This procedure provides a positive and rigid assembly that will not allow the piston rod to float or be pounded loose. The PTFE piston bearing is not required because the two rod bushings provide excellent piston support. Use when attachment to both ends of the cylinder is required or to indicate piston position. The ava i l ab i l i t y o f 2 r od extensions offers a number of model combinations as shown in the listings at the left. 150 psi. The maximum hole size for each bore is shown in the chart below. The PTFE piston bearing is not required because the two rod bushings provide excellent piston support. Note: When using stroke collars in double rod units, CAP END ROD STICK-OUT increases by amount stroke is shortened. Rod Rod Piston Stud Hole Thru Standard Standard Plus Model No. Model No. Hole Size Suffix Hole Size Suffix Bore thru stud (Std) thru stud (Std Plus) 3/4", 7/8" 1/16 -DR06 – – 1-1/8" 1/8 -DR13 5/32 -DR16 1-5/8" 1/8 -DR13 1/4 -DR25 2" 5/32 -DR16 5/16 -DR31 Rod Extension Dimensions Bore 3 / 4 " 7 / 8 " 1- 1 / 8 " 1- 5 / 8 " 2" G .13 .13 .19 .19 .19 W .38 .38 .38 1.00 1.00

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