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Double-Seat Ball Valve with Cleaning Connection

DELTA DKR 2
Operating Manual : Rev. 7

General Terms

Safety Instructions

Mode of Operation

Auxiliary Equipment

4 - 5

Cleaning

Installation

6.1 Welding Instructions

Dimensions / Weights

Materials

Technical Data

8 - 9

10.

Maintenance

11.

Service Instructions

10 - 15

12.

Detection of Seal Damage

13.

Spare Parts Lists

DKR2 - FZ DN25 - 125

RN 01.071

DKR2 - FZ 1” - 4”

RN 01.074

Turning actuator K-80, K-125, K-180

RN 01.073

Turning actuator F/L for feedback unit

RN 01.076

Table of Contents :

Page :

Содержание SPX DELTA DKR2

Страница 1: ...Read and understand this manual prior to operating or servicing this product Operating Manual DELTA DKR2 Double Seat Ball Valve with Cleaning Connection ...

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Страница 5: ...Cleaning 5 6 Installation 6 6 1 Welding Instructions 6 7 Dimensions Weights 7 8 Materials 8 9 Technical Data 8 9 10 Maintenance 9 11 Service Instructions 10 15 12 Detection of Seal Damage 16 13 Spare Parts Lists DKR2 FZ DN25 125 RN 01 071 DKR2 FZ 1 4 RN 01 074 Turning actuator K 80 K 125 K 180 RN 01 073 Turning actuator F L for feedback unit RN 01 076 UK Table of Contents Page ...

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Страница 7: ...e depressurized before any maintenance work 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 safe maintenance of the valve Dismantle the actuator before the change of seals During valve operation operating leakages spirt out to the bottom If the cleaning connection is not used ...

Страница 8: ...t into the limit position closed by spring force The free opening cross section has the same dimension as the nominal diameter of the pipeline Smooth valve passage without diversion of the fluid Cleaning of the leakage chamber by supply of cleaning liquids via the cleaning connection E During the operating process operating leakages bleed from the leakage drain D downwards If a cleaning line is no...

Страница 9: ...ype three wire proximity switch ref No 08 60 011 93 Operating distance 4 mm diameter 11 mm length 30 mm Feedback complete with support and proximity switch ref No 15 33 023 93 for a limit position If the user decides to apply valve position indicators other than APV type we cannot take over the liability for any malfunctions Control Unit Units with feedback switches and solenoid valves to be assem...

Страница 10: ...sec caustic flushing 80 C 3 x 10 sec intermediate flushing 2 x 10 sec acid flushing 3 x 10 sec final flushing 2 x 10 sec Double Seat Ball Valve with Cleaning Connection DELTA DKR 2 Operating Manual Rev 7 UK 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 turning actuators and corresponding adapte...

Страница 11: ...ed Dismantle the valve ball housing with seals from the mating flanges To simplify welding fitting parts can be supplied as assembly inserts The preparation of the weld seam up to 3 mm thickness can be carried out as a square butt joint without air Consider shrinkage After welding of the mating flanges and after work at the pipelines the corresponding parts of the installation or pipelines must be...

Страница 12: ...5 9 2 80 543 678 102 5 81 0 123 0 171 130 18 0 100 574 707 117 100 0 150 0 198 130 21 5 125 622 142 125 0 190 0 244 130 40 0 inch 1 385 522 55 22 2 60 5 108 5 85 5 7 1 5 410 546 67 34 9 61 0 109 85 6 5 2 427 563 75 47 6 79 0 127 85 7 4 2 5 452 587 87 60 3 100 3 148 3 85 9 2 3 543 678 102 5 72 9 123 0 171 130 18 0 4 574 707 117 97 6 150 0 198 130 21 5 7 Dimensions Weights A B F E A1 D G G dimension...

Страница 13: ... 1 4301 1 4308 or 1 4057 1 4059 indicator PE solid piston Polyacatal POM spindle bearing Polyamide PA 12 air connection Polyamide PA 6 6 9 Technical Data max line pressure 10 bar max operating temperatures 135o C EPDM HNBR FPM VMQ short term load 140o C EPDM HNBR FPM VMQ no steam throughput cleaning at 3 bar admission pressure about 5 10 l min turning actuator max control pressure 10 bar min contr...

Страница 14: ...n ref No 000 70 01 019 93 60 g tube ref No 000 70 01 018 93 or assembly grease for VMQ 600 g tin ref No 000 70 01 017 93 60 g tube ref No 000 70 01 016 93 Do not use grease containing mineral oil with EPDM seals Do not use Silicone based grease with VMQ seals DN 25 40 50 65 80 100 125 inch 1 1 5 2 2 5 3 4 max tightening torque in Nm M 10 15 22 25 40 65 operating leakage at about 5 bar in L Qs 0 7 ...

Страница 15: ...8 and yoke coupling indicator and spray connection 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 r...

Страница 16: ...TFE ball seals 9 d Turn valve ball into open position by hand and install ball seals with 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 1...

Страница 17: ...ing 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 18 and then tighten the screws 16 Operate the turning actuator s...

Страница 18: ... play in the connecting parts The ball must not move during this procedure exact open position At first tighten the screws 18 and then tighten the screws 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 20 e Centering of b...

Страница 19: ... 143 42 DN 40 65 1 5 2 5 item4 000 15 28 144 42 DN 80 100 3 4 item 4 000 15 28 145 42 DN125 item 4 000 15 28 146 42 Installation of the leakage reducer Remove the two hexagon screws A and pull out the shaft bearing C by careful turning If the leakage reducer is not equipped with the guides 3 and the two O rings 1 2 these parts can carefully be dismantled from the shaft bearing C and used Lightly g...

Страница 20: ...16 37 024 42 DN 80 125 3 4 item 2 000 65 01 132 15 DN 25 125 1 4 item 3 000 08 39 079 93 DN 25 125 1 4 item 4 000 58 06 078 13 DKR ball valve Remove the two hexagon screws A and push the leakage connection E over the shaft pivot B against the shaft bearing C Lightly grease O ring 4 in the leakage drain Do not use grease containing mineral oil for EPDM seals With DN 25 to 65 tighten the shaft beari...

Страница 21: ...rom the leakage bore replace seals 8 9 7 Valve is closed and leakage 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 Complete seal kits for the valve service are available see spare par...

Страница 22: ...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...

Страница 23: ...DELTA DKR2 Double Seat Ball Valve Spare Parts Lists Doppelsitzkugelventil Ersatzteillisten UK DE ...

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