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Hoffland Environmental Inc. Wastewater Treatment Systems

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Option Availability Chart
ITEM
AA
470
A
630
B
800
C
1000
D
1200
F
1500
1. PLATES
 
 
 
 
 
 
Gasketed
x
x
x
x
x
x
Non-Gasketed
x
x
x
x
x
x
Membrane
 
x
x
x
x
x
Plate & Frame
 
x
x
 
x
 
Back-up Plates
x
x
x
x
x
x
2. MEMBRANE SQEEZE PRESS
 
x
x
 
x
 
3. FILTRATION/COMPACTION PRESSURE
 
 
 
 
 
 
low pressure - 100 psig
x
x
x
x
x
x
high pressure - 225 psig
x
x
x
x
x
x
4. PRESS CLOSURE SYSTEM
 
 
 
 
 
 
pneumatic hydraulic
 
x
x
x
x
 
electric/pneumatic hydraulic
 
x
x
x
x
x
electric hydraulic
 
 
x
x
x
x
pneumatic hydraulic-spring return
x
 
 
 
 
 
hand hydraulic
x
 
 
 
 
 
5. PUMPING SYSTEM
 
 
 
 
 
 
100 psig air diaphragm
x
x
x
x
x
x
225 psig air diaphragm
x
x
x
x
x
x
6. EXPANSION PRICE
x
x
x
x
x
x
7. PLATE SPREADER
 
 
 
 
 
 
a. manual
x
x
x
x
x
x
b. semi-automatic pneumatic
 
x
x
x
x
x
c. automatic pnueumatic/electric
 
x
x
x
x
x
8. MANIFOLD
 
 
 
 
 
 
a. manual valves
x
x
x
x
x
x
b. automatic valves
 
x
x
x
x
x
c. core blowdown
x
x
x
x
x
x
d. reverse core blow-down
 
 
x
x
x
x
9. FILTER CAKE DISPOSITION
 
 
 
 
 
 
a. self dumping hopper
x
x
x
x
 
 
b. extended legs-direct dischare to drum
x
x
x
 
 
 
c. elevated stand - roll off discharge
 
 
 
x
x
x
ITEM
AA
470
A
630
B
800
C
1000
D
1200
F
1500
10. CONTROL SYSTEMS
 
 
 
 
 
 
a. standard pneumatic control
 
x
x
x
x
x
b. 3-stage pump control
x
x
x
x
x
x
c. press full indication
x
x
x
x
x
x
d. full automatic
 
 
x
x
x
x
11. DRIP TRAYS
 
 
 
 
 
 
a. manual drip tray
 
x
x
x
x
x
b. automatic drip tray
 
 
x
x
x
x
12. SAFETY DEVICES
 
 
 
 
 
 
a. light curtains
 
x
x
x
x
x
b. dead-man lock-out
 
x
x
x
x
x
c. clamping pressure/feed pump interlock
 
x
x
x
x
x
d. diaphragm squeeze
 
x
x
 
x
 
13. AUXILLARY SYSTEM
 
 
 
 
 
 
a. filter cake pre-coat
x
x
x
x
x
x
b. filter cake acid wash
x
x
x
x
x
x
c. sludge dryers
x
x
x
x
x
x
d. sludge dryers conveyors
 
x
x
x
x
x
e. polymer system
 
x
x
x
x
x