FSV type filters for purifying compressed air from aerosol impurities

Filters for purifying compressed air FSV increase the reliability and service life of pneumatic equipment, machines and tools; improve the quality of paint and varnish coatings obtained by pneumatic spraying; provide more reliable and economical operation of air drying units; improve the quality of products in the manufacturing process of which compressed air is used; increase the service life of bag filters with pulse regeneration.

How to order

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A positive effect is achieved by removing water-oil mist and solid particles larger than 0.3 microns from the air with an efficiency of up to 99.95%, which ensures purity classes 1…0 according to GOST 17433-80 “Industrial purity. Compressed air. Pollution classes.” Pre-filter for compressed air FSV-P is designed to remove the bulk of large particles from compressed air. Almost completely captures particles (solid and liquid) larger than 5 microns. It is recommended to install after the compressor end cooler and after the receiver; in pneumatic systems that do not require a large amount of contamination; before more efficient filters such as FSV-O.

The main compressed air filter FSV-O is designed to remove the bulk of liquid and solid contaminants from compressed air. Completely captures particles larger than 1 micron. The degree of purification of oil mist with a droplet size of 0.3 microns is 98…99%). It is recommended to use it before refrigeration and absorption drying units, in simple pneumatic systems, and before highly efficient FSV-T filters. The FSV-T fine compressed air filter is designed to completely remove liquid and solid contaminants from compressed air.

Completely captures particles larger than 0.3 microns. The degree of purification of oil mist with a droplet size of 0.3 microns is 99.95%. Recommended for use in pneumatic systems critical to the presence of liquid oil in compressed air, as an alternative to a “dry compressor”; in front of activated carbon adsorbers that remove oil vapor from the air; in precision pneumatic equipment and robotics; in high-precision instrumentation pneumatic systems; in air motors; when applying paint and varnish coatings by spraying; when working with pneumatic tools in enclosed spaces; in the food and pharmaceutical industries.

Technical characteristics of filters

Type FSV-P FSV-O FSV-T
Maximum operating pressure (excess), MPa (kg/cm2) 0.8 (8)
Maximum operating temperature, 0C +60
Minimum temperature of purified air, 0C +5
Hydraulic resistance of the filter, kPa (kg / cm 2)
clean dry 1 (0.01) 2 (0.02) 4 (0.04)
rich in oil 3 (0.03) 15 (0.15) 30 (0.3)
maximum before replacing filter elements 60 (0.6) *
Approximate service life of filter elements before replacement, h 3000**

*In FSV-P filters, only the filter material can be replaced.
** The main filter FSV-O must be used in conjunction with a pre-filter FSV-P or another device for pre-cleaning compressed air with similar characteristics. The highly efficient fine filter FSV-T can only be used in conjunction with the main FSV-O.

Basic filter parameters

Options Filter brand FSV
P-60 P-140 P-280 P-560 P-1700 P-3400
O-60 O-140 O-280 O-560 O-1700 O-3400
T-60 T-140 T-280 T-560 T-1700 T-3400
Air flow, m3/h (m3/min) 60 (1.0) 140 (2.3) 280 (4.7) 560 (9.3) 1700 (28.3) 3400 (56.6)
Conditional bore, mm union flange
Dy = 15 Dy = 32 Dy = 32 Dy = 50 Dy = 65 Dy = 100
Item type EP-52100 EP-125 EP-250 EP-500 EP-500 EP-500
EO-52100 EO-125 ET-250 EO-500 EO-500 EO-500
ET-52100 ET-125 ET-250 ET-500 ET-500 ET-500
Overall dimensions of filter elements, mm:
height 100 125 250 500 500 500
external diameter 50 74 74 74 74 74
inner diameter 20 35 35 35 35 35
Number of elements 1 1 1 1 3 6
Overall dimensions, mm
height 156 393 518 768 865
diameter 106 110 110 110 220
width 225 120 120 120 420
Weight, kg 2.3 5.2 6.5 9.2 28.0 62.0

* Air flow through filters, normalized to 200 C and atmospheric pressure, is indicated for a working pressure of 0.7 MPa (7 kg / cm2)

To determine the air flow rate at an operating pressure other than 0.7 MPa (7 kg/cm2), the value indicated in the table must be multiplied by the flow coefficient.

Working pressure,
MPa (kg/cm3)
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
Flow coefficient 0.36 0.49 0.6 0.71 0.81 0.9 1.0 1.08 1.1 1.25