Plastic Pipe Wall Thickness Gauge | Online Ultrasonic Measurement System
Online Wall Thickness Measurement for Plastic Pipe Extrusion
The Plastic Pipe Wall Thickness Gauge is an online ultrasonic measurement system designed to monitor pipe wall thickness, outer diameter, and concentricity during production. Installed directly on the Plastic Pipe Extrusion Line, it provides real-time measurement data without interrupting the extrusion process.
The system is suitable for HDPE, PVC, PE, PPR, PP, CPVC, and other thermoplastic pipes. By monitoring dimensions during production, manufacturers can identify deviations early, adjust the Extruder and related equipment, and reduce material waste.
For pipe manufacturers looking to improve dimensional control and production stability, an online Wall Thickness Gauge provides a practical solution for continuous quality inspection.

Applications of the Plastic Pipe Wall Thickness Gauge
The online measuring system can be used for a wide range of pipe and tube products, including:
· HDPE water supply pipes
· PE gas pipes
· PVC drainage pipes
· PPR pipes
· PP pipes
· CPVC pipes
· Multilayer plastic pipes
· Electrical conduits
· Industrial plastic tubes
· Medical tubing
It is suitable for different types of Plastic Pipe Production Lines and can be configured according to pipe diameter and production requirements.
Key Features of the Wall Thickness Gauge
Real-Time Ultrasonic Measurement
The system uses ultrasonic sensors to continuously measure pipe wall thickness during extrusion. Operators can view measurement results while the pipe is being produced, making it easier to detect dimensional changes at an early stage.
Accurate Wall Thickness and Concentricity Monitoring
The measuring system monitors wall thickness around the pipe circumference and helps identify uneven wall distribution. This allows operators to make timely adjustments to the Extruder, die, or calibration system.
360° Measurement
Full-circumference measurement provides a more complete view of pipe dimensions than single-point inspection. It helps detect wall thickness variations during continuous production.
Automatic Data Recording
Measurement data can be displayed and recorded in real time. Production records can be used for quality control, process analysis, and product traceability.
Alarm for Dimensional Deviations
When measured values move outside preset limits, the system can issue an alarm. Operators can then check the extrusion process before excessive material is wasted.
Easy Integration with Extrusion Lines
The Plastic Pipe Wall Thickness Gauge can be installed on new or existing Pipe Extrusion Lines. It can work together with the Extruder, cooling system, haul-off machine, and other production equipment.
Benefits for Plastic Pipe Manufacturers
Online measurement provides several practical advantages for daily pipe production:
· More consistent pipe wall thickness
· Faster detection of production problems
· Reduced material waste
· Better control of raw material consumption
· Less manual inspection
· Improved production efficiency
· More stable product quality
· Real-time production data
· Easier process adjustment
For high-speed Plastic Pipe Production Lines, continuous measurement is particularly useful because dimensional problems can be detected while the pipe is still being produced.
How Does an Online Wall Thickness Gauge Work?
After the pipe leaves the sizing and cooling section, it passes through the measurement unit. Ultrasonic sensors collect dimensional data from the pipe and send the information to the control system.
The measured wall thickness, diameter, and concentricity values are displayed on the operating interface. If the values change beyond the preset tolerance, the operator can adjust the Extruder, extrusion die, temperature, or other process parameters.
This creates a simple closed-loop quality control process:
Extruder → Extrusion Die → Calibration & Cooling → Wall Thickness Gauge → Haul-Off → Cutting/Winding
The exact position of the measuring system can be adjusted according to the design of the Plastic Pipe Extrusion Line.
Technical Advantages
The Online Wall Thickness Measurement System offers:
· Continuous online inspection
· Non-destructive ultrasonic measurement
· Real-time data display
· 360° dimensional monitoring
· Automatic quality control
· Reduced production scrap
· Easy operation
· Simple calibration
· Low maintenance requirements
· Flexible integration with extrusion equipment
Suitable for Different Pipe Production Lines
The system can be used with various Plastic Pipe Production Lines, including HDPE, PE, PVC, PPR, PP, and multilayer pipe extrusion systems.
A typical production line may include a material feeding system, Plastic Extruder, extrusion die, vacuum calibration tank, cooling tank, haul-off machine, cutting machine or winding machine, and online inspection equipment.
The Wall Thickness Gauge adds an additional quality control stage to the production process, allowing manufacturers to monitor pipe dimensions without stopping the line.
Why Choose Our Plastic Pipe Wall Thickness Gauge?
As a plastic machinery manufacturer, we provide online measurement solutions for different pipe materials, diameters, and production speeds.
The system can be configured according to the requirements of your Pipe Production Line, including:
· Pipe diameter
· Wall thickness range
· Pipe material
· Production speed
· Measurement accuracy
· Installation position
· Control system requirements
We can also provide complete Plastic Pipe Extrusion Lines and related equipment, including Extruders, extrusion dies, calibration tanks, haul-off machines, cutting machines, winding machines, and auxiliary equipment.
Conclusion
The Plastic Pipe Wall Thickness Gauge is an effective quality inspection solution for modern Plastic Pipe Extrusion Lines. Real-time ultrasonic measurement helps manufacturers maintain consistent wall thickness, identify production deviations quickly, and reduce unnecessary material consumption.
When integrated with the Extruder and other extrusion equipment, the online Wall Thickness Gauge helps create a more stable, efficient, and controllable pipe manufacturing process.
Модель | Количество зондов | Диапазон измерения OD труб(mm) | Диапазон измерения толщины стенки(mm) |
US1012 | 4 | 1-12 | 0.13-2.5 |
US1024 | 4 | 4-24 | 0.25-6 |
ULTRAMAC 032-4T | 4 | 10-32 | 0.25-6 |
ULTRAMAC 063-4T | 4 | 16-63 | 0.25-6 |
ULTRAMAC 063-4T/2 | 4 | 16-63 | 0.25-6 |
ULTRAMAC 125-4T | 4 | 20-125 | 0.5-12.7 |
ULTRAMAC 160-4T | 4 | 32-160 | 1.27-20 |
ULTRAMAC 160-8T | 8 | 32-160 | 1.27-20 |
ULTRAMAC 250-4T | 4 | 90-250 | 1.27-20 |
ULTRAMAC 250-8T | 8 | 90-250 | 1.27-20 |
ULTRAMAC 315-4T | 4 | 110-315 | 2.5-50.8 |
ULTRAMAC 315-8T | 8 | 110-315 | 2.5-50.8 |
ULTRAMAC 450-4T | 4 | 160-450 | 2.5-50.8 |
ULTRAMAC 450-8T | 8 | 160-450 | 2.5-50.8 |
ULTRAMAC 630-4T | 4 | 250-630 | 7.5-127 |
ULTRAMAC 630-8T | 8 | 250-630 | 7.5-127 |
ULTRAMAC 800-4T | 4 | 315-800 | 7.5-127 |
ULTRAMAC 800-8T | 8 | 315-800 | 7.5-127 |
ULTRAMAC 1000-8T | 8 | 560-1000 | 7.5-127 |
ULTRAMAC 1000-16T | 16 | 560-1000 | 7.5-127 |
ULTRAMAC 1200-8T | 8 | 800-1200 | 7.5-127 |
ULTRAMAC 1200-16T | 16 | 800-1200 | 7.5-127 |