ENVEA - Model HOFI BOX - Heated Sampling System
From Emissions - Sampling Systems
The HOFI BOX offers an exclusive sampling system dedicated to heated analyzers. Ideal for corrosive gases. (Plug & play sampling solution for: MIR FT, MIR 9000H, Graphite 52M, Topaze 32M,…).
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Features & Benefits
The HOFI™ BOX sampling system uses the Hot Wet Extractive (Wet Basis Analysis).
- Double stage dust filtration
- Span and zero gas injection at sampling point
- Automatic back-flush function
- Sample transfer up to 50 m (clean & wet sample) by 140-180°C heated line
- Longer heated sampling line available
- Heated probe with choice of materials & lengths to suit application
Main Applications
- Waste Incineration (Municipal Energy from Waste or Industrial)
- Sludge Incineration
- Gas turbines
- Power Plants
- Boilers
- Paper Mills
- Glass, Cement, Petro chemistry and
- Chemical Industry…
- Fertilizer plants
Technical Specifications
- HOFI heated filter temperature: 180-190°C
- Primary filter (in the probe): 20 μm (depending on probe type)
- Fine filter (in the box): 0.5 μm
- Sample flow rate: 30 to 120 l/h
- Dimensions: 400 x 600 x 200 mm (W x h x D)
- Weight: 15 kg (IP55 enclosure)
- Power supply: 230 V/50Hz or 110V/50-60Hz
- Consumption: approx. 400 VA
- Operating temperature: -20°C to +50°C
- Flange: DN100-PN20 / 4’’-150 lbs (others upon request)
Technology
Hot Wet Extractive (Wet Basis Analysis)
The gas sample is extracted and transferred through heated sampling lines. It is heated above 180°C in order to avoid acid dew points for the analysis process. Upon arrival to the analyzer, the sample is hot and wet.
Approvals & Certifications
COMPLIANCE WITH: EU Regulation IED (WID / LCPD / MCPD directives) and US EPA (40 CFR 60 & 75) – “Sampling system used in/or AMS certification”
- TÜV CERTIFIED EN 15267-3
- U.S. EPA APPROVED 40 CFR 60 ET 75
- MCERTs CERTIFIED EN 15267-3
- QAL1 EN 15267-3, QAL3 EN 15267-3
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