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WCB_D4_D4SL_sch5_US.indd
D4 / D4 SL Schedule 5 Series
Double Seat Mix Proof Valves
Instruction Manual: US - rev. 0
Waukesha Cherry-Burrell
®
brand D4 / D4 SL Schedule 5 Valves
Contents Page
1.
General Terms ...................................................................................................................4
2.
Safety .................................................................................................................................4
2.1
Symbols ..............................................................................................................................4
2.2
Safety Instructions ..............................................................................................................4
3.
Intended Use .....................................................................................................................5
4.
Mode of Operation ...........................................................................................................6
4.1.
General terms .....................................................................................................................6
4.2.
Valve in "closed" position ....................................................................................................7
4.3.
Valve in "open" position.......................................................................................................7
5.
Control Units / Valve Position Indication ........................................................................8
5.1.
Control unit and adapter .....................................................................................................8
5.2.
Valve position indication ......................................................................................................8
6. Cleaning .............................................................................................................................9
6.1.
Flow area ............................................................................................................................9
6.2.
Seat area - D4 SL valve
(chapters 6.5. and 6.6.) ..............................................................9
6.3.
Seat area and Leakage chamber ........................................................................................9
6.4.
Cleaning recommendation ..................................................................................................9
6.5.
Cleaning of upper area - D4 SL valve (fig. 6.5.)
...............................................................10
6.6.
Cleaning of lower area - D4 SL valve (fig. 6.6.)
...............................................................10
7.
Installation and Commissioning .................................................................................... 11
7.1.
Welding Instructions .......................................................................................................... 11
8.1.
D4 Valve ............................................................................................................................12
8.
Dimensions / Weights .....................................................................................................12
8.2.
D4 SL Valve ......................................................................................................................13
9.
Technical Data .................................................................................................................14
9.1.
General data .....................................................................................................................14
9.2.
Compressed air quality .....................................................................................................14
9.3.
Cvs values in gpm .............................................................................................................15
9.4.
Air consumption / Switching times ....................................................................................15
9.5.
Valve stroke / Opening cross section ................................................................................16
10. Maintenance ....................................................................................................................17
11.
Service Instructions ........................................................................................................18
11.1. Removal from the line system ...........................................................................................18
11.2. Removal of product-wetted parts .....................................................................................19
11.3. Installation of product-wetted seals and assembly of the valve ........................................20
11.4. Installation of the valve insert ...........................................................................................21
12.
Maintenance of Actuator ................................................................................................22
12.1. Removing the actuator screws .........................................................................................22
12.2. Installing the seals and assembling the actuator ..............................................................22
13.
Assembly Instructions and Tools for Seals .................................................................23
13.1. Lower shaft seal ................................................................................................................23
13.2. Middle seal ........................................................................................................................24
13.3. Seat seals .........................................................................................................................25
14.
Trouble Shooting ............................................................................................................26
15.
Spare Parts Lists .............................................................................................................26
15.1. Double seat mix proof valve D4 - 2" Sh5 - 3" Sh5, drawing RN 501.047.01 ....................27
15.2. Double seat mix proof valve D4 SL - 2" Sh5 - 3" Sh5, drawing RN 501.047.02 ...............30
