Retractable probe housing EXtract 825M

pneumaticmanual

Overview
EXtract 825M is a manually operated retractable probe housing designed for attachment to process tanks or piping via DN25 welding sockets. The drive unit moves the sensor into the process medium and back into the cleaning chamber. Cleaning, rinsing and calibration of the sensor can be performed while the process is running. An integrated PTFE scraper enables use in harsher processes.

Your advantages

• Robust design with integrated PTFE scraper
• Compatible with DN25 welding sockets (G1 1/4")
• Extends sensor service life and reduces maintenance effort
• Automatic safety lock when sensor is removed
• High-stability protection cage (Alloy; PVDF option)
• Material options for wetted parts: PP / PVDF / PEEK
• Immersion length: 70 mm
• Suitable for ATEX areas
• Operating range up to 10 bar and 140 °C
• Drive unit maintenance-free

Configuration (standard selectable options shown on page)

• Wetted materials: PP, PVDF, PEEK
• Sealing materials: EPDM (FDA/USP VI), FPM (Viton), FFKM (Kalrez)
• Sensor types: 225 mm PG13.5 gel-filled or 280 mm PG13.5 liquid-filled
• Process connection: G1 1/4" (DN25) O-ring position 25 mm
• Cleaning connection options: G1/8" female, G1/4" female, 1/4" NPT female
• Position feedback: none or electrical (NAMUR)

Specifications
Process pressure: 0…10 bar
Process temperature: -10…140 °C
Ambient temperature: -10…70 °C
Immersion length: 70 mm
O-ring position: 25 mm
Sensors: Ø12 mm, 225 mm PG13.5 (also supports Ø12×280 mm liquid-filled with PG13.5)
Materials: PP, PVDF, PEEK
Sealings: EPDM, FPM (Viton), FFKM (Kalrez)
Process connection: G1 1/4" (DN25)
Cleaning ports: G1/8", G1/4", FNPT 1/4"
Position indicators: optional electrical NAMUR switches

Applications

• Compatible with Ø12/225 mm and Ø12/280 mm sensors with PG13.5 thread (pH glass and ISFET sensors, conductivity, temperature, turbidity and other optical sensors)
• Chemicals and process industry
• Water and wastewater treatment
• Rough or abrasive processes where PTFE scraper is required

Characteristics / technical specifications

• Model: EXtract 825M
• Type: manually operated retractable housing for inline sensors
• Wetted material options: PP, PVDF, PEEK
• Sealing materials: EPDM (FDA/USP VI), FPM (Viton), FFKM (Kalrez)
• Immersion length: 70 mm
• O-ring position: 25 mm
• Sensor connection: Ø12 mm with PG13.5 thread (225 mm or 280 mm variants)
• Process connection: G1 1/4" (DN25)
• Cleaning ports: G1/8", G1/4", 1/4" NPT
• Operating range: up to 10 bar, -10…140 °C
• Special features: PTFE scraper, automatic safety lock, high-stability protection cage, maintenance-free drive, ATEX suitable