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Flange Facing

Wellube is a trusted service provider for on-site precision machining requirements such as flange facing.

Flange Facing Services

Wellube’s onsite flange facing services maintain flange integrity, ensuring smooth operations while preventing costly downtime and system shutdowns.

Keep Your Pipelines Leak-Free with Wellube’s Onsite Flange Facing

Leak-free pipelines are essential for safe and efficient industrial operations. Wellube’s expert onsite flange facing services ensure optimal pipeline performance by meticulously preparing surfaces. Our process creates perfectly flat and smooth flanges, eliminating leaks and guaranteeing robust seals, which are the foundation of a reliable system.

Our highly skilled technicians use advanced portable machining equipment to perform onsite machining, eliminating the need for dismantling and operational disruptions. This minimises downtime and ensures continuous productivity.

Our flange facing services help prevent the issue of damaged gasket surfaces between flanges.

Flange surfaces require on-site machining services called flange facing. The constant pressure applied on flanges contributes to wear and tear at the flange connection which causes it to lose its tight seal. Losing these tight seals lead to leaks and corrosion in your pipeline system.

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Specifications

We can machine flanges up to a diameter of 6 meters to precise tolerances, meeting various surface finish requirements. We can also modify existing RTJ (Ring Type Joint) and RF (Raised Face) flanges or create new ones as needed.

Applications

At Wellube, we handle a wide range of flange facing applications, such as:

  • Repairing flat, raised, and grooved flanges
  • Milling wind tower flanges
  • Refacing steam inlet flanges
  • Prepping pipes for sealing and welding
  • Fixing or adding ring grooves
  • Re-facing ship hatch seals
  • Fixing heat exchanger and valve flanges
  • Ship thruster mount: facing, milling, and drilling
  • Re-machining crane bearings
  • Resurfacing pump bases
  • Re-machining tube sheet seals

Industries We Serve

At Wellube, we understand that flange facing is a critical maintenance procedure across a wide range of industries. Our team is equipped to handle the specific needs of the following sectors:

  • Oil & Gas Refineries
  • Petrochemical Plants
  • Power Generation
  • Gas Distribution
  • Water and Wastewater Treatment
  • Pharmaceutical and Biotech
  • Food and Beverage
  • Marine and Shipbuilding
  • HVAC (Heating, Ventilation, and Air Conditioning)
  • Chemical Processing

No matter your industry, if you rely on pipelines to keep your operations running, Wellube is your trusted partner for expert and efficient flange facing services.

What is Flange Facing, and Why is it Important for Your Industrial Operations?

Flange facing is a specialized machining technique that restores the flat, smooth surface of a flange – the bolted connection point between pipe sections. Over time, these surfaces can become uneven due to wear, corrosion, or mechanical impact. Even minor imperfections can compromise the effectiveness of the gasket, leading to costly leaks.

Here’s why flange facing is crucial for your industrial operations:

  • Leak Prevention: A perfectly flat flange surface ensures a secure seal with the gasket, preventing leaks that can cause significant financial losses due to product contamination or environmental damage
  • Improved Efficiency: Regular flange facing ensures a tight seal, maximizing uptime and optimizing your production processes.
  • Extended Equipment Lifespan: Flange facing helps maintain the integrity of your equipment, extending its lifespan and reducing replacement costs.
  • Enhanced Safety: Leaks in high-pressure systems can be extremely dangerous. Flange facing minimizes the risk of leaks, promoting a safer work environment for your workforce.

Wellube’s onsite flange facing services are specifically designed to address these concerns.

When is Flange Facing Necessary?

Flange facing isn’t just about fixing existing problems – it’s also a proactive approach to maintaining pipeline integrity. Here are some red flags that indicate your flanges might benefit from onsite flange facing by Wellube’s experts:

  • Visible Damage: Flange surfaces are prone to wear, corrosion, and even impact damage over time. These imperfections can prevent gaskets from forming a proper seal, leading to leaks. Flange facing removes these imperfections, ensuring a smooth, flat surface for optimal gasket contact.
  • Scheduled Maintenance: Regular flange facing, even in the absence of visible damage, is a proactive approach to ensure long-term system reliability. It’s a preventative measure to minimize the risk of unexpected leaks and costly downtime.
  • Performance Issues: Flange facing restores a perfect seal, maximizing system efficiency and product integrity.
  • New Gasket Installation: Even when flanges appear undamaged, a fresh gasket installation or replacement often necessitates flange facing. This ensures the new gasket has a clean, smooth surface to adhere to, maximizing its sealing effectiveness.
  • Misaligned Flanges: Misaligned flanges due to settling or improper installation can compromise the integrity of the seal. Flange facing allows for precise machining to realign the flange surfaces and restore proper sealing capabilities.
  • Safety and Compliance: In critical systems where leaks pose a severe safety risk, or where regulatory compliance is paramount, regular flange facing becomes an essential preventative measure.

Don’t wait for leaks to become a problem. Wellube’s prompt and reliable onsite flange facing service can identify potential issues early on, preventing costly downtime and ensuring the safe and efficient operation of your pipelines.

Our Flange Facing Process

At Wellube, our flange facing process is designed to ensure your pipeline systems meet the highest standards of safety and efficiency. Here’s how we do it:

  • Technical Site Visit: Our technicians assess the flange surfaces to identify damage or wear.
  • Preparation: The surrounding area is then prepared to ensure a safe environment for the machining process.
  • Site Mobilisation: We use portable machining equipment to remove a minimal layer of material from the flange faces, restoring flatness, smoothness, and finish for a secure seal.
  • Flange Facing: Depending on the flange type and needs, the process may involve facing, turning, milling, or grinding to achieve the best results.
  • Quality Inspection: After machining, we inspect the flange to ensure it meets industry standards (ASME, ANSI, ISO) for flatness, smoothness, and accuracy. Sometimes, we conduct pressure or leak tests to confirm the flange joint’s integrity after machining.
  • Complete Traceability: We keep detailed records of the service, including inspection reports, machining details, and test results for quality control and compliance.

This streamlined approach ensures your flanges are precisely resurfaced, minimizing downtime and maximizing the efficiency and safety of your operations.

Types of Flange Faces

Flanges are designed in various patterns to fit different needs:

  • Raised Face (RF): Commonly used in oil and gas lines, it has a raised area to help seal tightly.
  • Flat Face (FF): Best for low-pressure connections like water systems, with a simple flat surface.
  • Ring Type Joint (RTJ): For high-pressure and hot conditions, it locks in a metal ring for a strong seal.
  • Male and Female (M&F): They connect by fitting one flange into the other, which helps with alignment and sealing.
  • Tongue and Groove (T&G): They join like puzzle pieces for a snug fit, often seen in pumps and valves.

Types of Flange Finishes

Flange facing is about more than just making a flat surface; the type of finish affects how well it seals. Here are some most common finishes:

  • Spiral Serrated: This finish has small, spiral grooves that help the gasket hold tight, especially when there’s a lot of pressure.
  • Concentric Serrated: Similar to the spiral, but with circles that help the gasket stick and seal.
  • Smooth Finish: Super flat and smooth, this finish is for when you need the tightest seal possible.
  • Stock Finish: A standard finish that works well for most situations by providing a solid surface for the gasket.

It’s important to keep an eye on your flanges. Any damage or rust can mess up the seal, which might cause leaks or other issues. 

Why choose Wellube?

Don’t settle for just any flange facing service. Here’s why Wellube is the trusted partner for your industrial needs:

Experience You Can Trust: Our team boasts over 2 decades of experience tackling flange facing challenges across diverse industries, from oil and gas to utilities. This extensive knowledge ensures we handle your specific requirements thoroughly and efficiently.

Minimized Downtime: We understand the importance of keeping your operations running smoothly. Wellube’s onsite flange facing eliminates the need for dismantling flanges, minimizing downtime and keeping your project timelines on track, or even ahead of schedule.

Precision Delivered: Our technicians are highly skilled and equipped with advanced equipment. This ensures the job is done right, guaranteeing optimal results and a perfect seal for your flanges.

Safety: Safety is our top priority! We adhere to strict safety protocols and industry regulations to ensure that our flange facing services are conducted safely and effectively. Our commitment to safety protects your employees, equipment, and the environment.

Expertise: While we excel at standard flange facing, our capabilities extend further. We have successfully completed specific jobs like restoring the serrated (grooved) surface for gasket seating before and after welding, especially on stainless steel and Inconel overlays for manway doors of diving bells and vessels.

 

By choosing Wellube, you gain a reliable partner with the expertise, equipment, and commitment to deliver exceptional flange facing services that keep your operations running safely and efficiently.

FAQ's

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