Scraper Passage Indicator

Description

Optional Feature of Scraper Passage Indicator
● Standard configuration — None ○ Optional configuration
Trigger type *(B-bi-directional/F-Bi-directional feather/U-Uni-directional)**		○/○/●
Trigger mechanism-Flag interaction (No/Yes_ The flexibility of the trigger mechanism would be checked online)		—/●		—/●		—/—
Internal part material (316L SS/DSS/INCONEL)		●/○/○
Flange/Body material (PTFE-coated A105N/304SS/316LSS/DSS/INCONEL, As per MR)		●/○/○/○/○/○
The position of the Internal liquid surface (High_Need to heating/Low_With no need for heating)		—/●
Junction box material (Aluminium alloy/316SS)		—/—		●/○		●/—
Switch type (DPDT/SPDT)		—/—		○/●		○/●
Switch rating (DC24V 3A/DC24V 5A)		—/—		●/○		●/—
Electrical connection size (M20×1.5(F)/1/2″NPT(F))		—/—		●/○		●/—
Retriever (Two full thread studs/ special tools)		●/○
Insert depth adjustment range (±10mm)		●
* Standard configuration of Uni-directional trigger is ball shape.
Corresponding relations between trigger and Insert depth (In pipe)
Trigger type	Bi-directional		Bi-directional feather		Uni-directional
Insert depth (In pipe)	21mm		30mm		13mm

1. Introduction to the Scraper Passage Indicator

The Scraper Passage Indicator is an essential product within the electrical engineering and instrumentation sector, specifically designed to enhance pipeline maintenance operations. As a sophisticated tool, it plays a critical role in accurately tracking the position of scrapers, or pipeline cleaning pigs, ensuring the effective management and safety of pipeline systems.

Basic Feature or Parameter
Removable Pig Signaler with DBB Valve	B	C	D
Type	Intrusive
Indicator feature	Manual reset flag	Manual reset flag combined with electrical signals	Date and time display combined with electrical signals
Installing type	2″Nipple welded. Design pressure up to 10000Psi
Plug body length _Correspond to total standoff	Meet the actual needs
Operating temperature	—20～120℃/Meet customer requirements
NACE MR – 01- 75	Yes
Ingress protection	IP65/IP66
Explosion-proof class		ExdⅡ BT4	ExdⅡ BT4
Include DBB valve	Yes
Remove under pressure	Yes(The whole machine comes with a simple retriever_ two whole threaded studs)

2. Key Features of EMT Scraper Passage Indicator

High Precision Measurement:

- Accurate Data Provision: The Scraper Passage Indicators offer high-precision measurements that accurately detect the location of scrapers within pipelines. This accuracy is crucial for the safe and efficient operation of pipelines, allowing operators to make informed decisions based on real-time, reliable data.
- Enhanced Safety: By providing precise location tracking, these indicators help prevent potential pipeline blockages and accidents, thereby maintaining operational safety and integrity.

Durability:

- Robust Construction: Made from high-quality materials and crafted through stringent manufacturing processes, the Scraper Passage Indicators are designed to withstand harsh environmental conditions. This durability ensures that the devices can perform reliably over long periods.
- Cost-Effectiveness: The extended lifespan and reduced need for frequent replacements or repairs due to their robust construction make these indicators economically advantageous. They minimize operational downtime and maintenance costs, contributing to overall cost savings.

Ease of Operation and Reliability:

- User-Friendly Interface: The indicators are designed to be easy to operate, requiring minimal training. This user-friendliness facilitates quicker integration into existing systems and smoother operations.
- Consistent Performance: Stringent quality control measures and reliability tests ensure that the Scraper Passage Indicators perform consistently under actual operational conditions. This reliability is critical for maintaining continuous pipeline operations without unexpected failures.

Versatility:

- Adaptability to Various Systems: The Scraper Passage Indicators are compatible with a range of pipeline specifications and systems. This versatility makes them suitable for use in diverse industries, including oil and gas, chemical, and water treatment.
- Support for Multiple Engineering Projects: Their ability to meet the varied requirements of different sectors means they can provide robust technical support for a wide array of engineering projects, enhancing project efficiency and outcomes.

3. About EMT

Shenyang Institute of Sources Technology Development and Shenyang EMT Piping Technology Co., Ltd. are specialized manufacturers of products for corrosion monitoring and pipeline cleaning. Since our inception in 1993, we have been delivering pipeline equipment and associated services to pipeline industries, including chemical processing, oil and gas, and water treatment. To ensure optimal performance and efficient resource utilization, we often deliver customized products to meet the unique requirements of each project.

Our rigorous and unwavering commitment to quality control over the years has made our Scraper Passage Indicator listed as the sole Chinese brand products in the optional products in multiple CNOOC projects. As early as 2010, we began providing products for oil projects in the Asia, Africa and Latin America region, with long-term and ongoing projects such as PDOC, DPOC, Hafaya, Misan, and Graf oil fields, and without receiving any negative quality feedback. At present, our products have also been recognized by companies such as CCED, Oxy, Saudi Aramco, and Shell, and have become members of the “Pigging Products and Services Association (PPSA)”, presenting yet another way for pipe project contractors to access affordable, top-tier products.

Moving forward, we remain committed to perpetual self-improvement. We will provide superior quality products and advanced pigging solutions for industrial pipelines, striving tirelessly towards building EMT into an industry benchmark within the pipeline equipment industry.