Marvel Engineering Company
2085 North Hawthorne
Melrose Park, Illinois 60160-1173
Return line filters are mainly used for low pressure return lines.
Hydraulic fluid is returned to the reservoir. They offer fine filtration in a
choice of mesh sizes, with a built in by-pass valve (recommended).
These filters are available in T-type filter, in-line filter, spin on filter and
color indicating
Colorator. Threaded ports, bolt on, spin on,brass
housings and Stainless Steel element options. Condition indicator and
differential electrical switching.
Return Line Filters
Phone 708-343-4090
Fax 708-343-4159
T type series.
TT-II 296 Spin on filters.                               T type filters with threaded spin on cartridges and bolt on port adapters.
TB 265 flows to 75 gpm and 300 psi.       T type filter with bolt on housing and bolt on port adapter.
TT-II 331 flows to 75 gpm and 750 psi.    T type filters with threaded housings and bolt on port adapters.

MHP high pressure T type                           T type aluminum housing high pressure to 6000 psi
BONDED LINE TYPE  1300 series for suction, return and low pressure lines for use with water or special fluids
up to 225 GPM -pressures TO 250 PSI. Pipe size I" THRU 21/2". Brass head and housing. All Stainless Steel
wire cloth filter element.  All Stainless Steel by-pass optional. CAPACITIES: 10-20-30-50 and 75 gpm. Pipe
Sizes:
1",1-1/4",1-1/2" and 2-1/2. By-Pass Valve: Available with or without. Operating Pressure: Up to 250 psi.
Operating temperature: Up to 275F.
BONDED LINE TYPE 1500 series for suction, return and low pressure lines for use with regular petroleum
base Hydraulic Oils, Coolants, Lubricants and all types of Fire resistant Hydraulic Fluids and water.  up to 225
filter element.  All Stainless Steel by-pass optional. CAPACITIES: 10-20-30-50 and 75 gpm. Pipe Sizes:
1",1-1/4",1-1/2" and 2-1/2. By-Pass Valve: Available with or without. Operating Pressure: Up to 250 psi.
Operating temperature: Up to 300F.
BONDED LINE TYPE with cleanable or throw away element. Extra outlet port (At top) and (Optional) 1/8" port for
"Colorgage" indicator. For added convenience in protecting the filter with a Colorgage Element Condition
Indicator you may order the filter with (optional) 1/8"-27 NPTF Gage Ports connecting filter directly to Colorgage
quickly and easily.
IN-LINE TYPE 2032 and 2032B series Capacities: Up 10 20 gpm Up to 125 psi Max. Pipe sizes: (at both inlet
and outlet 3/4" and l" NPTF. By-pass valve: Available with or without By-Pass Valve. Operating temperature: Up to
275F.
Series 700 and 800 Capacities: Up to 60 GPM Up to 125 PSI Max. Pipe Sizes: l-1/4", l-1/2", and 2" NPTF sizes
and 1-5/16 - 12, 1-5/8" - 12, l-7/8" - 12 SAE sizes. Flange connections: l-1/4", l-1/2 SAE. By-pass valve: Available
with or without By·Pass Valve operating temperature: Up to 275F.
Line type Take Apart for use with regular petroleum base Hydraulic Oils, Coolants, Lubricants
and all types of Fire resistant Hydraulic Fluids and water.  up to 300 GPM -pressures to 80 PSI.
Pipe size 3/4" THRU 3". All Stainless Steel wire cloth filter element.  All Stainless Steel by-pass
optional.