44
LDAP4 T
+
Air Supply
Exhaust
Liquid Discharge
Actuation Level 27.4" (70 cm)
Length to
T
op of Fittings 30.75" (78 cm)
Inlet
O.D. 3.6" (91 mm)
Low-Drawdown AP4+ AutoPumps are warranted for
one (1) year.
Application Limits (Base model)
AP4+ AutoPumps are designed to handle
the application ranges described below.
For applications outside these ranges,
consult QED about AP4+ upgrades.
Maximum Temperature:
180
°
F (82
°
C)
pH Range: 4-9
Solvents and Fuels: diesel, gasoline,
JP1-JP6,#2 heating oils, BTEX, MTBE,
landfill liquids
*
Consult QED for higher flow requirements
Applies to QED supplied tubing;
other tubing sources may not
conform to QED fittings.
1
4" - Low Drawdown AP4+ Top Inlet
Top
3.6 in. (91 mm)
30.75 in. (78 cm)
9.8 lbs. (4.4 kg)
6.4 gpm (24 lpm)
0.11 - 0.16 gal (.42 - .61 L )
27.4 in. (70 cm)
250 ft. (76 m)
5 - 120 psi (0.4 - 8.4 kg/cm2)
.31 - 2.85 scf/gal. (2.2 - 21.5 liter of air /
fluid liter) - See air usage chart
0.7 SpG (0.7 g/cm3)
Fiberglass or Stainless Steel
Stainless Steel
Stainless Steel, Viton, PVDF
,
Hastelloy-C
Brass or Stainless Steel
Barbs, Quick Connects or Easy Fittings
Nylon
1 in. (25 mm) or 1-1/4 in. (32 mm) OD
1/2 in. (13 mm) OD
5/8 in. (16 mm ) OD
Nitrile
3/4 in. (19 mm) or 1 in. (25 mm) ID
3/8 in. (9.5 mm) ID
1/2 in. (13 mm) ID
Model
Liquid Inlet Location
O.D.
Overall Length (Pumps & Fittings)
Weight
Maximum Flow Rate
Pump Volume/Cycle
Minimum Accuation Level
Maximum Depth
Air Pressure
Air Usage
Minimum Liquid Density
Standard Construction Materials¹
Pump Body
Pump Ends
Internal Components
Tube & Hose Fittings
Fitting Type
Tube & Hose Options
Tubing Materials¹
Sizes - Liquid Discharge
Pump Air Supply
Air Exhaust
Sizes - Liquid Discharge
Pump Air Supply
Air Exhaust
Hose Material
Specifications & Operating Requirements
Pump Dimensions
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4
P
A
+
p
m
u
P
ot
u
A
Specifications - Low-Drawdown Top Inlet