ZT-100TEG I-Series Flanged
Permanent flanged insertion probe for high-pressure glycol lines
Flanged Insertion Probe
The ZT-100TEG I-Series Flanged is a permanently installed insertion probe designed for water-in-TEG measurement in large-diameter, high-pressure glycol circulation lines. The probe is bolted directly to a flanged nozzle, providing a robust, leak-tight installation rated up to ANSI Class 1500.
Without the complexity of a retraction mechanism, the flanged version offers a simpler, more compact installation with higher pressure capability. Ideal for pipelines 6" and larger where the probe does not need to be removed under pressure.

Key Features
High Pressure Rating
Rated up to ANSI Class 1500, suitable for high-pressure glycol systems in HP/HT gas processing applications.
TEG-Optimised
Calibrated for the dielectric properties of triethylene glycol across the full range of water loading.
Simple Installation
Bolts directly to a flanged nozzle. No retraction kit, ball valve, or packing gland required.
Hazardous Area Certified
ATEX and IECEx certification for Zone 1 and Zone 2 installations at gas processing facilities.
Robust Construction
316L stainless steel probe and wetted parts. IP67 rated enclosure for outdoor gas plant environments.
Standard Communication
4-20mA analog output and Modbus RTU digital communication for DCS, SCADA, and PLC integration.
Technical Specifications
| Measurement Principle | Capacitance-based sensing |
| Medium | Triethylene glycol (TEG) |
| Measurement Range | 0 – 100% water content |
| Accuracy | ±0.5% (application dependent) |
| Pipeline Size | 6" and larger |
| Mounting Flange | 3" or 4" ANSI 150RF to 1500RF |
| Max Pressure Class | ANSI 1500 (Class 1500) |
| Process Temperature | −20°C to +120°C |
| Wetted Materials | 316L Stainless Steel, PEEK, Viton |
| Probe Length | Specified per application |
| Enclosure Rating | IP67 |
| Hazardous Area | ATEX II 1/2 G Ex d IIB T4, IECEx |
Electronics
| Principle of Operation | High Frequency Digital Capacitance |
| Output Signal | 4–20mA |
| Digital Communication | Modbus RTU (RS-485) |
| Power Supply | 24VDC (4-wire) |
| Power Consumption | 2W Max |
| Measurement Rate | 1000 per second |
| Ambient Temperature | –20°C to +60°C |
| Ingress Protection | IP66 |
Applications
HP/HT Gas Processing
High-pressure glycol dehydration systems where process pressures exceed ANSI 300 class ratings.
Large Glycol Headers
Permanent installation in large-diameter glycol headers for continuous water content monitoring.
Subsea Tiebacks
Topside glycol monitoring for subsea tieback systems with high-pressure glycol injection circuits.
Gas Export Facilities
Glycol quality verification at gas export terminals to ensure dehydration meets pipeline water dew point specifications.
Configure Your ZT-100TEG I-Series Flanged
Specify your pipeline size, flange rating, process conditions and probe length requirements and we will provide a complete quotation.


