Precision Pig Signal Indicators Ready for Global Shipment in Oil & Gas Pipeline Applications！
What Are Pig Signal Indicators?
Pig signal indicators (also known as pig passage indicators or scraper passage indicators) are essential components in pipeline pigging systems. These devices are installed on pipelines to detect and signal the passage of pipeline pigs—cleaning or inspection tools that travel through the pipeline to remove debris, monitor corrosion, or inspect internal surfaces.
Reliable pig signal indicators are crucial for pipeline operators to:
Confirm successful pig passage through designated sections
Monitor pig positioning in real-time
Reduce operational risks
Ensure system efficiency and safety
Our latest batch of indicators is designed to meet the rigorous demands of high-pressure oil and gas transport networks.
Product Overview: Custom-Engineered for Performance
The pig signal indicators featured in this batch are made from high-grade stainless steel for corrosion resistance and long-term durability in harsh environments. Key product features include:
Flanged connections for secure and leak-proof installation
Visual for clear pig passage indication
High-pressure rating suitable for oil, gas, and water pipelines
Manual reset function to ensure reusability
Explosion-proof design for hazardous environments (optional)
Each unit undergoes rigorous quality control checks and pressure testing to ensure performance under real-world conditions.
Application in Oil and Gas Pipelines
These pig signal indicators are widely used in onshore and offshore pipeline systems, including:
Crude oil transport pipelines
Natural gas distribution networks
Petrochemical refining pipelines
LNG terminal piping systems
Water injection lines in upstream oil exploration
Our indicators help pipeline engineers and maintenance teams monitor pigging operations with precision, reducing downtime and improving asset reliability.
Production and Quality Assurance
The images above show the production completion stage at our facility. Each pig signal indicator has passed multi-step inspection, including:
Dimensional accuracy checks
Welding seam strength testing
Hydraulic pressure testing
Assembly verification
Final visual inspection
All units are manufactured in accordance with international standards such as 9001.14001, and 45001. We also offer documentation packages including material certificates, test reports, and installation manuals upon request.
Ready for Shipment: Global Delivery Available
After passing all factory acceptance tests (FAT), this batch of pig signal indicators is now staged for packaging and ready for shipment. We provide secure packaging to prevent mechanical damage during transit and offer global logistics support to ensure timely delivery to our clients across Asia, the Middle East, Europe, and North America.
Whether you are a pipeline contractor, EPC company, or oilfield service provider, we are equipped to deliver pig signal indicators tailored to your specific pipeline project requirements.
