DeZURIK 2” THRU 24" BOS-CL BUTTERFLY VALVES
Instruction
D10500
July 2015
Page 1: ...DeZURIK 2 THRU 24 BOS CL BUTTERFLY VALVES Instruction D10500 July 2015 ...
Page 2: ...ission of pipeline material and take appropriate safety precautions Always wear suitable protection when dealing with hazardous pipeline materials Handle valves which have been removed from service with suitable protection for any potential pipeline material in the valve Inspection Your BOS CL Butterfly Valve has been packaged to provide protection during shipment however it can be damaged in tran...
Page 3: ...DeZURIK 2 thru 24 BOS CL Butterfly Valves July 2015 Page 3 D10500 Table of Contents Description 4 Installation 4 Operation 5 Lubrication 5 Removing Valve from Pipeline 5 Troubleshooting 6 ...
Page 4: ...nly Studs are not recommended Lifting a larger size valve incorrectly can damage it Do not fasten lifting devices to the actuator or disc or through the seat opening in the body Lift the valve with slings fastened around the valve body or attach them to bolts or rods run through holes for the pipeline flanges 1 If the valve has been ordered without an actuator mount the actuator on the valve For a...
Page 5: ...uctions for actuator stop adjustment information Lubrication The valve is lubricated at the factory and does not require routine lubrication Refer to the actuator instructions for actuator lubrication requirements Removing Valve from Pipeline Follow the steps below to remove the valve from the pipeline Loosening the flange bolts on a pressurized valve can allow the valve to suddenly shift position...
Page 6: ...orrectly Adjust closed stop Seat is worn or damaged Replace valve Sealing edge of disc is worn or damaged Replace valve Valve does not fully open Open position stop is not adjusted correctly Adjust open stop Disc to shaft connection has failed Replace valve Valve leaks between body and pipeline flanges Valve flange seal is damaged Replace valve Flange bolts are tightened incorrectly Tighten the fl...
Page 7: ...antee shall be null and void if after shipment from our factory the item is modified in any way or a component of another manufacturer such as but not limited to an actuator is attached to the item by anyone other than DeZURIK Inc Factory Service personnel All orders accepted shall be deemed accepted subject to this limited warranty which shall be exclusive of any other or previous Warranty and th...
