Type FT Filter Driers & SS Strainers Filters

FT Filter Driers fitted with replaceable filter blocks

Filter driers have a cover which allows the filter blocks to be replaced. The filter carrier, which also acts as a filter sieve, holds the filter blocks in the casing. The liquid refrigerant enters the integrated filter via the nozzle on its side and flows inwards from outside through the filter blocks as well as through the filter carrier. The filter blocks consist of a drying agent compound based on molecular sieve aluminium oxide. GEA filter driers are designed for use in pipes for refrigerant fluids in refrigerating and air-conditioning systems that use fluorinated refrigerants as well as a cleaner-drier-combination on the suction side. They can be installed in systems which operate within the 35 to 465 kW power range and protect the system from moisture, dirt, acids, oil decomposition products and sludge sediments. The dimensions of the filter blocks comply with international standards.

Technical Features

  • Available in steel or stainless steel
  • Selection of body material as per German DIN EN12284, AD2000 Series W
  • Working media: liquid refrigerant, no NH3
  • Mesh width of strainer (μm): 125
  • Optimum filter surface (zeolithic sieves)
  • No danger of congestion
  • Minimal pressure loss
  • Particle retaining power > 32 μm
  • No abrasion from the filter block
  • The water molecules are bound
  • Protection against dirt, oil decomposition products and sludge formation
  • Prevention of acid formation
  • Installation possible in any position

 
FT Filter Driers
material steel or stainless steel
nominal size DN 20-80
nominal pressure level PS 25, PS 40
temperature range -60 °C to +150 °C
connection butt welding ends DIN, ANSI 
flanged ends DIN, ANSI

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SS Strainers fitted with replaceable mesh bottom made of rust-proof woven metal mesh.

Maintenance free SS strainers are equipped with a replaceable mesh bottom made of rust-proof woven metal mesh. The self-centering mesh bottom is held in position by a cover.
 The medium passing through the mesh bottom flows from inside to outside.

Technical Features

  • Available in steel or stainless steel
  • Selection of body material as per German DIN EN12284, AD2000 Series W
  • Working media: refrigerant EN 378 p.1 e.g. NH3, R22, R134a, blends and refrigerator oil, gas and liquid media, glycol-based cold brine
  • Strainer material: X5CrNi 18-10
  • Mounting position: horizontal or vertical with the cover facing downwards
  • Available mesh widths for strainer (μm): 25 to 1,000 

 
SS Strainers
design straightway or angle type
material steel or stainless steel
nominal size DN 10-300
nominal pressure level PS 25, PS 40, PS 63, PS 160
temperature range -60 °C to +150 °C
connection butt welding ends DIN, ANSI 
flanged ends DIN, ANSI 
solder ends 
screwed ends
other mesh width of strainer (μm): 25 to 1000

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