AMSOIL Dahl Compact
Fuel Filter/Water Separator
ADF-20 and ADF-21
See The Complete AMSOIL/Dahl Filter Information Page

Dahl4

Flow Rates  (Single ADF-20 and ADF-21 Series)
Recommended: 120 GPH (U.S.)  (454 LPH)
Maximum: 200 GPH (U.S.)  (757 LPH)
Specifications
Flow Resistance: 1.0 in. Mercury @ 120 GPH
Maximum Working Pressure: 25 PSI (172 kPa)
Temperature Range: -50° to +225°F (-45 to +107C)
Port Thread (Single Units): 7/8-14 w/O-Ring Boss
Height: 16-3/4 in. (425.5 mm)
Width: 7-1/2 in. (190.5 mm)
Depth: 7-3/4 in. (196.9 mm)
Element Removal Clearance: 2-1/2 in. (63.5 mm)
Sump Capacity: 24 oz. (708 ml)
Top to Inlet CL: 2-5/8 in. (66.7 mm)
Top to Ounlet CL: 2-5/8 in. (66.7 mm)
Service Parts
Elements

* Standard With Unit 

DE-20* 2 Micron Element
DE-21  10 Micron Element
Recommended Service Interval: 1,000 hours or 40,000 miles
Gaskets
DP-320 Complete Gasket Kit

Accesories

Fittings: See AMSOIL/Dahl Fittings Chart

Click on Graph Above for Larger Image

ADF-20
Standard Diesel Fuel Filter/Water Separator

ADF-21
Marine Diesel Fuel Filter/Water Separator
U.L. Listed and U.S. Coast Guard Accepted For Marine Applications