Oil Management Valves

Oil filters clean the oil off dirt in the refrigeration circuit.

 

OF Oil Filters

Oil filters are equipped with an exchangeable filter element made of rustproof metallic woven fabric or paper respectively. The filter element is self-centering and is kept in position by the cover. Only the filter elements of reputed producers are employed and are selected according to the desired fineness of the filter, filter material, direction of flow, rate of flow and viscosity. The medium passes through the filter element from the outside to the inside. Oil filters are suitable for employment in the oil cycles for industrial refrigerating plants and are are free from maintenance.

Technical Features

  • Available in 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 refrigeration oil, non-corroding gases and liquids, such as propane, butane, glycol-based cold brine
  • Flow factor [l/min]: depending on filter material, grade of filtration, viscosity and temperature
  • Filter material: stainless steel or paper
  • Filter fineness [μ]: 10, 25, 40

 
 

OF Oil Filters

material steel
nominal size DN 15-100
nominal pressure level PS 25, PS 40
temperature range -60 °C to +150 °C
connection butt welding ends DIN, ANSI 
flanged ends DIN, ANSI, 
solder ends
other optional with stainless steel mesh 
or fibrous web paper
 
 

 

DOF Double Oil Filters

Double oil filters enable the filter elements to be replaced without interrupting the system's operation. They are used with paper filters with a filter-fineness of 15 μm. The medium flows from inside to outside. The size selection depends on the flow rate and the viscosity of the oil.

Technical Features

  • Available in 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, non-corroding gases and liquids, such as propane, butane, glycol-based cold brine
  • Mounting position: vertical
  • Flow direction through the filter: inside to outside
  • Filter material: paper
  • Filter fineness [μ]: 15

 
 

DOF Double Oil Filters

material 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
 
 

Additional Info

GRADE Refrigeration LLC

GRADE Refrigeration offices are located in the United Arab Emirates, Egypt, Jordan, Kuwait, Pakistan, Qatar and in Saudi Arabia.

GRADE Grasso Adearest
Industrial Area No. 15
P.O. Box 69619 Sharjah
United Arab Emirates

Phone: +971 6 5343808
Fax: +971 6 5347679

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