I. Product Basic Positioning
German Bühler Original Factory Ceramic Filter Element / Sample Gas Downstream Precision Filtering Component (Filter Element)
Exclusive Matching GAS 222 Full Series Heating-Type Flue Gas Sampling Probe (GAS222.15/20/30/31 Anti-Duplication), belonging to the core vulnerable filtering consumables of the CEMS Flue Gas Online Monitoring and Process Gas Analysis System; Installed at the rear end of the sampling probe and the front section of the sample gas pre-treatment pipeline, it intercepts dust, water vapor condensation impurities, and protects the analyzer sensor and precision components.
Core Specification Parameters
1. Material and Filtration Precision
Filter Body: Porous Ceramic Sintered Material
Standard Sealing O-ring: Viton Fluorocarbon Rubber (Resistant to Acidic Flue Gas, Condensate Water, Sulfur Oxides, Nitrogen Oxides Corrosion)
Standard Filtration Hole Diameter: 2 μm
Tolerated Medium: Flue Gas, Moist Acidic Process Gas, Boiler Tail Gas, Denitrification / Desulfurization Outlet Flue Gas
2. Tolerated Operating Conditions
Maximum Temperature: 200℃ (Compatible with GAS222 Probe’s 180℃ Constant Temperature Heating Condition, Preventing Flue Gas Condensation and Blockage)
Pressure: Maximum 6 bar
Applicable Humidity: No Penetration of Saturated Wet Flue Gas, No Powderization
Chemical Corrosion Resistance: Resistant to H₂SO₄, HNO₃, HCl, SO₂, NOₓ Acidic Corrosion
3. Structural Dimensions
Cylindrical Integrated Filter Element, Both Ends Stainless Steel Metal End Caps, Built-in Integrated Sealing Ring; No Secondary Assembly with Rubber Gasket, Directly Screwed into the Downstream Filtering Chamber of the Probe.
Compatible Equipment List
Main Probe: Bühler GAS 222.15 / GAS 222.20 / GAS 222.30 / GAS 222.31 (Including ATEX Explosion-proof Ex1/Ex2 Versions) Full Series Heating Sampling Probe
Matching Module: AHF-22 Heating Pre-filter
Application Systems: Thermal Power / Waste Incineration / Chemical CEMS Flue Gas Online Monitoring System, Kiln Exhaust Gas Analysis, Ammonia Emission Monitoring in Denitrification System
Core Function
Secondary Fine Dust Removal: Intercepting the fine dust particles that the probe’s coarse filter fails to filter, preventing dust from entering the condenser, peristaltic pump, and infrared analyzer;
High Temperature Anti-condensation: The ceramic has uniform heat conduction, and in the heating pipeline, there will be no cold spots, eliminating the problem of water vapor condensation and dust adsorption causing filter element blockage;
Corrosion Resistance and Long-term Operation: The ceramic material is not eroded by acidic flue gas, and its service life is much longer than the stainless steel sintered filter element.
Distinction of Similar Models in the Same Series (Convenient for Model Selection and Replacement) Table
Part Number 孔径 Sealing Material Applicable Scenarios
46222012 2 μm Viton fluororubber General flue gas， acidic working conditions (standard model)
46222010 5 μm Viton High dust content working conditions， high flow rate
46222026 3 μm Perfluoroelastomer Strongly corrosive， high concentration acid and alkali flue gas
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