Flushing Quantity; Cleaning Of Upper Area; Cleaning Of Lower Area - SPX FLOW APV DELTA DA3+ Instruction Manual

APV
APV_DA3+_ATEX_UK-0_022018.indd
fig. 7.6.
fig. 7.7.
11
7. Cleaning
7.5. Flushing quantity in ml per lifting cycle / 5 sec.
5000
4500
4000
3500
3000
2500
2000
1500
1000
500
0
0,1 1
7.6. Cleaning of upper area (fig. 7.6.)
The upper valve shaft is lifted via the connection
A2 =
.
By lifting of the upper valve shaft, the cleaning liquid flushes over
the upper seat seal and the upper valve seat into the leakage
chamber and cleans this area. The cleaning liquid is drained off to
the bottom in depressurized state.
Simultaneously, the upper shaft seal and the outer surface of the
upper valve shaft are cleaned. Then the cleaning liquid is drained off
at the inner tube of the lower valve shaft to the bottom.
The lifting stroke is limited by a metallic stop.
7.7. Cleaning of lower area (fig. 7.7.)
The lower valve shaft is lifted via the connection
A1 = .
lower seat seal into the leakage chamber and cleans this area. The
cleaning liquid is drained off to the bottom in depressurized state.
Simultaneously, the lower shaft seal and the outer surfaces of
the lower valve shaft are cleaned. The cleaning liquid flushes the
spray connection and is then drained off to the bottom in
depressurized state.
The lifting stroke is limited by a metallic stop.
2 3 4
UK
DN 80, 100
Inch 4"
DN 40, 50, 65,
Inch 1,5", 2",
2,5", 3"
pressure in bar
5
Double seat valve
DELTA DA3+ - ATEX
Instruction manual: UK - rev. 0