What Are Urethane Pipeline Products?

Urethane pipeline products are specialized components made from polyurethane (PU) for pipeline pigging operations. They include pig cups, discs, solid-cast pigs, and custom-molded parts. These pipeline pigging products clean, inspect, and maintain pipelines across the oil, gas, mining, and water treatment industries.
Polyurethane outperforms traditional materials in pigging applications. It combines rubber-like flexibility with plastic-like durability. As a result, urethane components last longer, seal better, and navigate difficult pipeline geometries.
EMT manufactures urethane pipeline products in Shenyang, China. We serve global pipeline operators from our ISO-certified facility. Our products have a proven track record in the Daqing Oil Field and Liaohe Oil Field.

Key Types of Urethane Pipeline Products

1. Cup Pigs
Cup pigs use polyurethane cups to seal against the pipe wall. The cups create a tight seal that propels the pig forward using product flow. EMT offers 2-cup, 3-cup, and 4-cup configurations.
2. Disc Pigs
Disc pigs use polyurethane discs instead of cups. Discs offer lower sealing force but better passing ability. They work well in dirty or partially blocked pipelines.
3. Solid-Cast Urethane Pigs
Solid-cast pigs are made entirely from polyurethane. They have no metal parts. This design excels in tight bends, reduced-diameter sections, and multi-diameter pipelines.
4. Sealing Discs & Cups (Replacement Parts)
EMT supplies replacement cups and discs for all major pig brands. We customize durometer, size, and profile to match your specific pig model.

Our pipeline pigging products serve diverse applications:

Certifications & Quality Assurance

EMT manufactures urethane pipeline products under a strict quality management system. Our facility is ISO 9001 certified. Each production batch undergoes laboratory testing for:

• Shore hardness verification
• Tensile strength sampling
• Abrasion resistance testing
• Dimensional inspection

We provide a factory test report with every order. For projects requiring material traceability, we offer EN 10204 3.1 certification.

Key Features

1. Extended Service Life Polyurethane outperforms ordinary rubber by 3–5 times in pipelines filled with sand and scale, greatly lowering replacement costs.

2. Custom Hardness Selection Shore hardness between 60A and 95A can be selected to accommodate different pipes, ranging from brand-new smooth pipelines to corroded and out-of-round tubing.

3. Wide Chemical Adaptability Regular polyurethane resists crude oil, refined oil products and sour gas. Viton and NBR materials are optional for severely corrosive working media.

4. Verified Practical Application Our pigging accessories have been applied stably in Daqing Oilfield and Liaohe Oilfield for long-term and long-distance pigging construction.

5. Bespoke Sizing Service We produce cups and discs suitable for 2″ to 48″ pipelines, and customise lip structures to adapt to complicated pipeline shapes.

6. Exceptional Structural Toughness With 51.2 MPa tensile strength and 77 kN/m tear strength, the products stay intact when passing dents, welding seams and narrowed pipe sections.

7. Efficient Shipment Arrangement Standard stock can be delivered within 15 days. Our monthly production capacity exceeds 200 sets to fulfil urgent project orders.

8. Standardised Test Records Each batch is attached with an official factory test report. All indicators including hardness, tensile property and wear resistance strictly follow GB/T national standards.

Customization Options

No two pipelines are identical. EMT offers extensive customization for our pipeline pigging products:

• Durometer selection: Choose softer PU (60A) for irregular pipes, harder PU (95A) for high-pressure sealing.
• Size matching: We manufacture cups/discs for 2″ through 48″ pipes, including dual-diameter and multi-diameter pigs.
• Profile design: We customize cup lip geometry for specific pipeline conditions (dents, ovularity, reduced ports).
• Material formulation: Beyond standard PU, we offer Viton, Neoprene, and NBR cups for chemical compatibility.
• Branding: We laser-engrave your company name or part number on each component.

FAQ

Q1: What durometer should I choose for my pipeline pig cups?
A: For most oil and gas pipelines, 80A–90A Shore hardness offers the best balance of sealing and passing ability. Softer durometers (60A–75A) work better for old, corroded, or out-of-round pipes. Harder durometers (90A–95A) provide better sealing in new, smooth pipes.

Q2: How long do polyurethane pig cups typically last?
A: Lifespan depends on pipeline conditions. In clean product pipelines, PU cups can travel 500+ km. In abrasive slurry or scale-heavy lines, replace cups every 50–100 km. Our high-abrasion PU formulation significantly extends service life.

Q3: Can I get replacement cups for pigs from other manufacturers?
A: Yes. EMT supplies replacement cups and discs that fit most major pig brands. Provide your pig model and size, and we will match or improve upon the original specification.

Q4: What is the typical lead time for custom urethane pipeline products?
A: Standard sizes ship in 15 days. Custom durometer, size, or profile typically require 15–20 days. For urgent orders, we offer expedited production.

Q5: Are EMT urethane pipeline products suitable for subsea pipelines?
A: Yes, with the appropriate material formulation. For subsea applications, we recommend our low-temperature PU compound (rated to -40°C) and stainless steel or duplex steel pig bodies to resist seawater corrosion.