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SEALED FILTER DRIERS
Bi-Flow Filter Driers
The function of a Bi-Flow Filter Drier is to capture and retain system
contaminants and moisture in order to protect system components
and prevent harmful acids formation in refrigerant systems
requiring bi-directional flow.
Henry Technologies’ Bi-Flow Filter Driers offer a high level of protection for
refrigeration and air-conditioning systems. They are specifically designed to
capture and retain moisture and solid particles from circulating throughout
the system, which can create acid that causes damage to the compressor
and other components piped within the circuit. Bi-flow filter driers are
suitable for HCFC, HFC and CO refrigerants including R-410A, and their
Solid copper ODS connections
Increased drying capacity over 80% Molecular Sieve and 20% Activated
Alumina and cores
Solid particle filtration down to 150 microns
Powder coat finish suitable for UV rays and harsh environments
1000 hour salt spray tested to ASTM B117
Solid core construction of 100% Molecular Sieve desiccant
Materials of Construction
The shell is constructed from carbon steel and powder coated for corrosion
resistance. The connection is ODS and made from solid copper. The valve
plate assembly and perforated plate are made from galvanized steel. The
core is made from 100% molecular sieve. The filter pad is made from non-
woven polyester. The filter mesh is made from stainless steel.
Installation - Notes
1. A moisture indicator should be installed in conjunction with each filter
drier in order to monitor drying effectiveness.
2. Full instructions are given in the Product Instruction Sheet, included
with each filter drier.
Maximum working pressure = 650 PSI (45 Bar)
Allowable operating temperature = -40°F to +212°F (-40°C to +100°C)
Bi-Flow Filter Driers are UL and C-UL Listed by Underwriters Laboratories,
Inc. Additionally, Bi-Flow Filter Driers are CE marked in accordance with
Sealed Filter Driers should be selected for a particular application based on a
number of factors. Full dimensional specifications are provided to ensure
easy installation. Models should be selected based both on drying capacity
and liquid capacity to ensure adequate drying and minimal pressure drop.
Direction of flow
Valve Plate Assembly