DeZurik KGC Manuale utente

Lockout Device for Cylinder

Operated KGC Knife Gate Valves

Instruction D10435

March 2010

Instructions

They are intended for personnel who are responsible for the installation, operation and maintenance

of your lockout.

Safety Messages

All safety messages in the instructions are flagged with the word Caution, Warning or Danger. These

messages must be followed exactly to avoid equipment damage, personal injury or death.

Safety label(s) on the product indicate hazards that can cause equipment damage, personal injury or

death. If a safety label becomes difficult to see, or if a label has been removed, please contact

DeZURIK for replacement label(s).

Inspection

Your cylinder actuator has been packaged to provide protection during shipment. Carefully inspect

the unit for damage upon arrival and file a claim with the carrier if damage is apparent.

Parts

Recommended spare parts are listed on the assembly drawing. These parts should be stocked to

minimize downtime.

Order parts from your DeZURIK sales representative, or directly from DeZURIK. When ordering parts,

please include the 7-digit part number and 4-digit revision number (example: 9999999R000) located

on the data plate attached to the valve assembly. Also include the part name, the assembly drawing

number, the balloon number and the quantity stated on the assembly drawing.

DeZURIK Service

DeZURIK Service personnel are available to install, maintain and repair all DeZURIK products. De-

ZURIK also offers customized training programs and consultation services. For more information,

contact your local DeZURIK representative or visit our website at www.dezurik.com.

DeZURIK

Lockout Device for Cylinder Operated KGC Knife Gate Valves

WARNING!

Personnel involved in the installation or maintenance of valves should be con-

stantly alert to potential emission of process material and take appropriate safety

precautions. Always wear suitable protection when dealing with hazardous proc-

ess materials. Handle valves which have been removed from service with the

assumption of process material within the valve.

Mounting Lockout

1. Mark clip shaft to ensure proper alignment when re-

assembling.

2. Remove clip and retract cylinder.

3. Thread lockout collar onto the shaft above the clip.

Position the collar about halfway between the mark

and the bottom of the clip shaft. (Make sure lockout

collar is positioned such that tapped hole for spring

plunger is lined up with slot in clip shaft in neutral po-

sition.)

4. Start the lockout bolts into the tapped holes in the

cylinder head and in the leg, but do not tighten the

bolts.

5. Reattach the clip and stroke the valve to the fully

open and closed positions two times.

6. Stroke the valve to the fully opened position and ad-

just the open position bolts. Mark the threads on the

lockout bolts and apply a coat of Loctite 242 to the

threads and thread the bolts back in the holes until

the marks are in position.

7. Turn the lockout collar to the locked position.

Ensure that the lockout collar is fully engaged

with the lockout bolts. See Figure 2 Open.

8. Turn the lockout collar to the neutral position.

9. Stroke the valve to the fully closed position

and adjust the closed position lockout bolts.

Mark the threads on the lockout bolts and

apply a coat of Loctite 242 to the threads

and thread the bolts back in the holes until the marks are in position

10.Turn the lockout collar to the locked position. Ensure that the lockout collar is fully engaged with the

lockout bolts. See Figure 2 Closed.

11.Turn the lockout collar to the neutral position and stroke the valve to the fully open and closed posi-

tions to ensure the lockout collar does not interfere with the lockout bolts. See Figure 2 Neutral.

12.Place spring plunger into lockout collar.

Note: Make sure lockout is positioned such that spring plunger is lined up with slot in clip shaft.

Tighten spring plunger to clip shaft. Back off spring plunger 1/8 of a turn. Turn lockout collar to the

locked position and then back to neutral position several times. Make sure lockout collar “snaps” into

place when turning it to the neutral position. Stake the spring plunger into place.

D10435 Page 2 March 2010

DeZURIK

Lockout Device for Cylinder Operated KGC Knife Gate Valves

Figure 2– Lockout Positions

Figure 2—Lockout Assembly

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