1. Introduction

The EMT Bare Foam Pig, part of EMT Pigging’s specialized pipeline maintenance equipment, is designed to address various pipeline cleaning needs, including water absorption, sealing, cleaning, and descaling. This tool is essential for industries such as building material shops, construction works, energy and mining, and especially in pipeline pigging for the oil and gas sectors.

2. Key Attributes of the EMT Bare Foam Pig

• Type: Foam Pig
• Product Name: Pipeline Polyurethane Customized Density Soft Cleaning Pigs
• Brand Name: EMT Pigging
• Material: Made primarily from polyurethane, the Bare Foam Pig features a soft foam body with a density that ranges from 35 to 200 kg/m³. This material flexibility allows it to adapt to pipeline contours and obstructions effectively.
• Design Features:
  • Starting Pressure: 0.02 MPa, making it suitable for operations even at low-pressure settings.
  • Withstand Pressure: Up to 7 MPa, which ensures durability under various operational pressures.
  • Stretch Rate: Impressive 320%, providing significant flexibility and adaptability to different pipe diameters.
  • Compression Ratio: 60, which allows it to compress and expand, maintaining effectiveness across varying internal pipeline sizes.
  • Attrition Rate: 4 mm per 100 km, indicating minimal wear over substantial distances.
  • Flex Life: Capable of 50,000 flex cycles, highlighting its durability and longevity.
• Operating Conditions:
  • Temperature Range: Functional from -30℃ to +100℃, ensuring performance stability in extreme temperature conditions.
  • Operating Distance: Effective for distances ranging from 50 km to 150 km, suitable for long pipeline cleaning operations.
• Color: Available in red or white, allowing for visual identification during and after operations.

3. Application

The EMT Bare Foam Pig, developed by EMT Pigging, is a versatile and essential tool for the maintenance and operation of pipelines across various industries including oil and gas, construction, and mining. Here we explore the practical applications of this foam pig, focusing on its ability to perform water absorption, sealing, cleaning, and descaling tasks within pipeline systems.

Water Absorption

Water in pipelines can lead to several issues such as corrosion, reduced efficiency, and increased maintenance costs. The EMT Bare Foam Pig is specially designed to absorb water effectively:

• Post-Hydrostatic Testing: After pressure testing, residual water must be removed to prevent corrosion. The foam pig absorbs this water as it travels along the pipeline.
• Condensation Removal: In climates where temperature fluctuations are common, condensation can accumulate inside pipelines. The pig’s water-absorbing capabilities help maintain a dry environment inside the pipeline to prevent water-induced deterioration.

Sealing

The polyurethane foam of the EMT Bare Foam Pig allows it to expand and tightly fit against the pipeline walls, serving two primary sealing functions:

• Isolation for Maintenance: It can segment the pipeline, isolating sections for targeted maintenance activities without affecting the entire system.
• Leak Testing: By creating a seal as it moves, the pig can be used in conjunction with testing equipment to locate leaks within the pipeline system.

Cleaning

Routine cleaning is critical to maintaining pipeline integrity and efficiency. The EMT Bare Foam Pig excels in:

• Routine Maintenance Cleaning: It removes dirt, debris, and other residues that accumulate inside the pipeline, which could potentially hinder the flow and increase wear and tear.
• Pre-Inspection Cleaning: Before detailed inspections, pipelines must be clean. The pig ensures that inspection tools can provide accurate readings by removing obstructions and contaminants.

Descaling

In pipelines where mineral deposits and scale can build up, the EMT Bare Foam Pig provides an effective descaling solution:

• Scale Removal: It physically scrapes off scale formations from the inner walls of the pipeline, which can improve flow dynamics and prevent damage to the pipeline or further accumulation of debris.
• Preventive Maintenance: Regular descaling operations help in maintaining optimal pipeline conditions and prolonging the lifespan of the infrastructure.

4. Industry-Specific Utility

The EMT Bare Foam Pig is designed to be versatile and effective in various industrial environments. Its robust design and high-performance materials make it an essential tool for maintaining pipeline integrity and efficiency in sectors where pipeline systems are critical to operations. This includes oil and gas pipeline maintenance, where regular cleaning and descaling are necessary to prevent blockages and maintain flow efficiency. Additionally, its lightweight and adaptable nature make it suitable for construction-related pipeline applications, where flexibility and durability are key requirements.

5. Packaging and Delivery

• Packaging: Each pig is packaged in a sturdy plywood case to ensure it arrives in optimal condition.
• Package Size: Each pig measures 6x6x10 cm, making it compact and easy to handle.
• Weight: Each unit has a gross weight of 1.000 kg, lightweight enough for easy transportation and handling.
• Certifications: ISO 9001 certified, affirming the quality and reliability of the product.
• Additional Services:
  • Video Outgoing-Inspection: Provided, ensuring the product meets quality standards before shipment.
  • Machinery Test Report: Also provided, offering detailed insights into the specifications and performance of the foam pig.

6. Polyurethane material specification: