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GS Serie gas filters

Gas Filters
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Gas Filters




Type ‘’GS and Z’’ cellular gas filters are designed for retaining gas impurities, such as dust, rust and other solid particles, in gas-carrying lines at a defined location. They are mainly used in gas pressure regulating and measuring stations, power plant and upstream of equipment, the function of which would be impaired by contaminants.The filters are suitable for gases in accordance with DVGW Code of Practice G 260 / G 262 and neutral non-corrosivegases. (Other gases on request).

- Outdoor version as standard

- Easily replaceable filter cartridge with hydrophobic filter medium

- Optimized flow control ensures high filtration efficiency

- Optionally available with differential pressure measurement

(for electric remote transmission , differential pressure gauge with limit switch)



Maximum permissible pressure (PS)

25 bar

Nominal Size

from DN25 – DN300 (1’’ – 12’’)


Flanged to DIN PN16 or ANSI Class 150 RF

Temparature Range

Operating and ambient temperature -20 °C to +70 °C

(Optional -40 °C )

Body Cover Materials 



DN25 – DN100 Spheroidal Graphite Iron

DN125-DN300 ASTM A 106 Gr B


Approximate ΔP value for filter cartridge change

800 - 1000 mbar

ΔP max limit for

soiled filter cartridges

2000 mbar

Filtration efficiency

Standard 99.9% of particle size > 2 μm

Filter Area

see pages 4

Pressure Volume

see pages 4


DIN 3386,

DVGW worksheet G 498 and DIN 30690-1

CE-mark acc. to PED and


CE1783                612-PED-062/2014-01

Explosion protection

Mechanical components of regulator do not contain a potential ignition source, thus do not fall in limits of ATEX 95 (94/9/EG). (Used electronic accessories comply with ATEX-demands.)