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APV_DA4_UK-1_102018.indd
UK
Double Seat Mix Proof Valve
APV DELTA DA4
Instruction Manual: UK - rev. 1
APV
Content Page
1. General Terms 6
2. Safety 6
2.1 Symbols
2.2 Safety Instructions
3. Intended Use 7
4. Mode of Operation 8
4.1. General terms
4.2. Valve in "closed" position
4.3. Valve in "open" position
5. Control Units / Valve Position Indication 10
5.1. Control unit and adapter
5.2. Valve position indication
6. Cleaning 11
6.1. Flow areas
6.2. Seal surfaces and seat area
6.3. Leakage chamber
6.4. Cleaning recommendation
6.5. Flushing quantity
6.6. Cleaning of upper area
6.7. Cleaning of lower area
7. Installation and Commissioning 13
7.1. Welding Instructions
8. Dimensions / Weights 14
9. Technical Data 15
9.1. General data
9.2. Compressed air quality
9.3. Kvs values
9.4. Air consumption / Switching times
9.5. Valve stroke / Opening cross section
10. Maintenance 18
11. Service Instructions 19
11.1. Removal from the line system
11.2. Removal of product-wetted parts
11.3. Installation of product-wetted seals and assembly of the valve
11.4. Installation of the valve insert
12. Maintenance of Actuator 23
12.1 Removing the actuator screws
12.2 Installing the seals and assembling the actuator
13. Assembly Instructions and Tools for Seals 24
13.1. Lower shaft seal
13.2. PTFE seal
13.3. Seat seal
13.4 Middle Seal
14. Trouble Shooting 26
15. Spare Parts Lists 26
DA4 Inch and DIN designs RN 502.047.01
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