SPX FLOW APV DELTA SD4 Series User Manual

19
APV_SD4_ATEX_UK-0_122018.indd
UK
Double seal valve
DELTA SD4-ATEX
Instruction Manual: UK - rev. 0
APV
11. ServiceInstructions
Correspondingsparepartssee
Sparepartslist:RNATEX054.62
11.1. Dismantlingfromthelinesystem
Before start of assembly the operator must make sure that an
explosive atmohsphere does not exist (detection/measurement of
potential concentration of hazardous substances).
Alternatively, use spark-resistant tools!
1. Shut off line pressure and drain lines if possible.
2. ValvedesignNC: Control actuator with air.
Donottouchmovableparts!  
    Riskofinjury.
3. Remove hexagon screws and lift valve insert including actuator off
the valve housing.
4. Shut off compressed air and remove compressed air supply.
5. Remove valve position indicator.
11.2. Dismantlingofwearparts(product-wettedparts)
1. Remove housing seal.
2. Release actuator screw from the guide rod.
3. Hold up the centering washer during this process. Remove the
centering washer.
4. Pull the valve shaft out of the actuator.
Remove the seat seal.
5. Unscrew the yoke from the actuator.
- Actuator can be maintained.
6. Detach the seat seal, shaft seal and guide bush.
7. Clean the valve housintg, yoke, actuator and shaft with a low
solution of a cleaning agent. Never use cleaning agents containing
abrasive or polishing particles.
actuator
actuator screw
yoke
valve position indicator
hex. screws
housing
shaft
G⅛
leakage valve

SPX FLOW APV DELTA SD4 Series Specifications

General

Brand	SPX FLOW
Model	APV DELTA SD4 Series
Category	Control Unit
Language	English