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Read and understand this manual prior to
operating or servicing this product.

Operating Manual

DELTA DKRT2

Double - Seat Ball Valve with Cleaning Connection

Tank Outlet Valve

Содержание APV DELTA D2

Страница 1: ...Read and understand this manual prior to operating or servicing this product Operating Manual DELTA DKRT2 Double Seat Ball Valve with Cleaning Connection Tank Outlet Valve ...

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Страница 5: ...llation 5 6 1 Welding Instructions 6 7 Materials 6 8 Dimensions Weights 7 9 Technical Data 8 10 Maintenance 8 11 Service Instructions 9 12 12 Detection of Seal Damage 13 13 Spare Parts Lists DKRT DN50 80 100 RN 01 078 Table of Contents Page Double Seat Ball Valve DELTA DKRT 2 Tank Outlet Valve Operating Manual Rev 4 ...

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Страница 7: ...rized before any maintenance of the valve Electric and pneumatic connections must be separated Do not reach into the open valve ball Risk of injury by sudden valve operation Observe service instructions to ensure a safe maintenance of the valve Dismantle the actuator before the exchange of seals During valve operation operating leakages spirt out the drain pipe to the bottom If the cleaning connec...

Страница 8: ...o independently acting seals The intervening leakage chamber is open to the atmosphere through the free drain D In open position the liquid flows through the free opening cross section of the smooth valve passage No inversion of the liquid flow in the valve area In closed and open operating position cleaning liquid can be injected at the CIP connection at E to clean the leakage chamber During the ...

Страница 9: ...trol of the valve are also available in fieldbus technology The Control Unit CU3 can be installed on the turning actuator Different types are available For the installation of a control unit on the DKR2 valve a special turning actuator and an adapter are required The standard actuator must be replaced designation ref No CU 31 Direct Connect 322 000 804 629 CU 21 Profibus 322 000 804 437 CU 31 Devi...

Страница 10: ...ust be installed in horizontal position at the tank bottom Fluids and operating leakages are therefore freely drainable to the bottom and the leakage chamber drains off With several valves being parallely connected with one pipeline a passage of the operating leakage to the cleaning connection of adjacent valves must be avoided Installation of a shut off device or a check valve in front of the cle...

Страница 11: ...flanges and after work at the pipelines the corresponding parts of the installation or pipelines must be cleaned from welding residues and soiling If these cleaning instructions are not observed welding residues and dirt particles can settle in the valve and cause damage or can be transfered to other parts of the installation Any damage resulting from the non observance of these welding instructio...

Страница 12: ...3 75 50 0 79 0 85 6 0 80 543 678 102 5 81 0 123 0 130 16 0 100 574 707 117 100 0 150 0 130 19 0 Dimensions in mm DKRT 2 with Control Unit CU3 DKRT 2 with actuator 8 Dimensions and Weights Double Seat Ball Valve DELTA DKRT 2 Tank Outlet Valve Operating Manual Rev 4 ...

Страница 13: ... 8 cleaning connection for hose 8 x 1mm air connection for hose 6 x 1mm Use dry and clean air only 10 Maintenance Dismantling and installation of seals according to service instructions Assembly and adjustment of turning actuator according to service instructions Slightly grease all seals Recommendation APV food grade grease for EPDM and FPM 750 g tin ref No 000 70 01 019 93 60 g tube ref No 000 7...

Страница 14: ...ng 14 indicator 13 and spray connection 10 Danger Do not replace seals before removal of turning actuator from the valve d Pull out PTFE ball seals 9 with appertaining housing seals 7 To pull the ball seals out half open the ball by hand and grasp alternately behind the seal Attention Ball and ball seal are sensitive to mechanical damage the surfaces must not be touched by tools e Having released ...

Страница 15: ...ith a little grease at both sides e Slightly grease O rings 12 and insert them in the spray connection 10 11 4 Assembly of valve a To ensure a safe handling of the valve clamp the lower bearing flange into a vice with protective cheeks Turn the ball into open position Place yoke 17 spray connection 10 indicator 13 and coupling 14 on the ball housing The lower coupling cam must point to the lower y...

Страница 16: ...Release both screws item 3 of the shaft bearing ball centers between the seals and retighten them e Slightly turn the actuator in anticlockwise direction to adjust the play in the connecting parts The ball must keep its exact open position during this procedure Danger Do not reach into the open valve Risk of injury by sudden operation of the valve f At first tighten the screws item 18 and then ite...

Страница 17: ...ct open position At first tighten the screws item 18 and then item 16 Operate the turning actuator several times to check the operating accuracy of the ball d Shut off the air supply to the turning actuator and insert the valve in closed position into the line system Fasten it with the screws e Centering of ball absolutely necessary To center the ball between the seal rings proceed as follows 1 Re...

Страница 18: ...age during cleaning via the spray connection Leakage at spray connection replace O rings 12 Leakage at shaft bearing replace seals 4 5 6 Valve is open Leakage at the leakage bore replace seals 8 9 7 If damaged seals are replaced generally all seals should be changed Set of seals for the valve service are available The corresponding part numbers can be drawn from the spare parts lists 13 Spare Part...

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Страница 20: ...Corporation The information contained in this document including any specifications and other product details are subject to change without notice While we have taken care to ensure the information is accurate at the time of going to press we assume no responsibility for errors or omissions nor for any damages resulting from the use of the information contained herein UK Translation of original ma...

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