DeZURIK, Inc. Sartell, Minnesota USA | Phone: 320-259-2000 |
www.dezurik.com
| [email protected]
DEZURIK ANSI/AWWA C540
PNEUMATIC CYLINDER
FOR G-SERIES ACTUATORS
Instruction
D10295
March 2017
Page 1: ...DeZURIK Inc Sartell Minnesota USA Phone 320 259 2000 www dezurik com info dezurik com DEZURIK ANSI AWWA C540 PNEUMATIC CYLINDER FOR G SERIES ACTUATORS Instruction D10295 March 2017 ...
Page 2: ...ion during shipment however items can be damaged in transport Carefully inspect the unit for damage upon arrival and file a claim with the carrier if damage is apparent Parts Replaceable wear parts are listed on the assembly drawing These parts can be stocked to minimize downtime Order parts from your local DeZURIK sales representative or directly from DeZURIK When ordering parts please provide th...
Page 3: ...DeZURIK ANSI AWWA C540 Pneumatic Cylinder for G Series Actuators D10295 Page 3 March 2017 Table of Contents Description 4 Supply 4 Required Tools 4 Lubrication 4 Adjustment 4 Disassembly 4 Reassembly 5 ...
Page 4: ...er is disassembled lubricate the cylinder wall piston seal sealing rings and ring grooves using one of these lubricants Dow Corning Molykote No 44 recommended Shell Retinax AM alternate Shell Lithall MDS alternate Adjustment The set screw in the end of the cylinder is used to limit the cylinder stroke 1 Turn the set screw in the end of the cylinder counterclockwise about five turns 2 Close the val...
Page 5: ... rod 8 Remove the piston 9 Remove extension cap from other end of gear box housing 10 Remove nuts and spring washers from the rack rod 11 Pull the piston rod complete with rack rod from the cylinder head 12 Take out the four screws and separate the cylinder head from the actuator housing 13 Remove the seal in the cylinder head Reassembly 1 Install the piston rod sealing ring and Teflon backing rin...
Page 6: ...lves Tighten the nut until the spring washers are completely compressed and then back off until they return to their normal uncompressed shape All other valves Tighten the first nut 6 Tighten the second nut 7 Install the extension cap 8 Put the piston on the piston rod and install the nut 9 Remove the piston seal and its O ring Clean the O ring seal and groove Lubricate the O ring and seal and rep...
Page 7: ...e 14 Clean the O ring groove in the cylinder cap 15 Lubricate and install the O ring in the cylinder cap Use a new O ring if necessary 16 Assemble the cylinder cap lock washers and nuts Tighten the nuts on the tie rods to the torque specified in Table A Table A Tie Rod Nut Torques Cylinder Size Torque ft lbs cm kg Nm 4 12 175 16 6 8 16 225 22 10 12 20 275 27 17 If the actuator is a powered actuato...
Page 8: ...ze Direct Pressure Reverse Pressure 4 5 6 All All All A B B A B B 8 G6 G12 B A B A 10 G6 G12 B A B B 12 G6 G12 G16 B B A B B A 14 G12 G16 B A B A 16 18 20 All All All B B B B B B 24 G16 C8 G16 C10 G16 C12 B B B C B C 30 G16 C8 G16 C10 G16 C12 C B B C B C Reverse Pressure When the higher pressure is at the seat end Direct Pressure When the higher pressure is opposite the seat ...
Page 9: ...ll be the only effective guarantee or warranty binding on Seller despite anything to the contrary contained in the purchase order or represented by any agent or employee of Seller in writing or otherwise notwithstanding including but not limited to implied warranties THE FOREGOING REPAIR AND REPLACEMENT LIMITED WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OBLIGATIONS AND LIABILITIES INCLUDING ALL W...
