- home
How Custom Flanges Can Solve 80% of Your On-Site Compatibility Issues
Published on 15 June, 2025

Ever stood on-site with your team, staring at a pipe that just won’t fit? The specs looked right. The angle seemed okay. But the connection? Off. By a sliver.
Now multiply that by 20 pipe joints across a tight project deadline—and suddenly, that “silver” is a serious setback.
Welcome to the world of on-site compatibility issues, where mismatched pipe ends, uneven surfaces, and non-standard dimensions wreak havoc on industrial timelines. But what if we told you that 80% of these headaches could be avoided with one smart decision?
Custom flanges.
Why Standard Flanges Often Don’t Cut It
In theory, standard flanges are great. They’re readily available, budget-friendly, and follow universal specifications.
In reality?
a. That old pipe was installed years ago with custom specs.
b. Your imported machinery uses a different pressure class.
c. The orientation needs an angular offset.
d. The required material grade isn’t available off-the-shelf.
Now you’re either spending hours modifying parts on-site (not ideal) or calling in urgent replacements (even worse).
Real-World Scenarios Where Custom Flanges Saved the Day
Scenario 1: Offshore Platform Retrofit
An oil company was retrofitting pipelines on an offshore rig. Standard flanges weren’t aligning due to corroded pipe ends and mismatched bolt patterns.
Solution? Custom flanges machined to match both the old and new equipment specs—saving two weeks of delay and thousands in downtime.
Scenario 2: Food Processing Plant Upgrade
A food plant switching to stainless steel pipelines found that their imported equipment used DIN-standard connections while the rest of the plant used ANSI.
Solution? Dual-standard custom flanges made the conversion seamless without replacing expensive machinery.
Custom v/s Standard Flanges: A Quick Comparison
Features | Standard Flanges | Custom Flanges |
Sizing Options | Limited | Precisely tailored |
Bolt Pattern Compatibility | Fixed | Adjustable as needed |
Material Selection | Common Grades Only | Any grade—SS, Alloy, Duplex |
Turnaround Time | Instantly Available | Slightly longer, but exact fit |
Project Downtime Risk | High if mismatch occurs | Minimal, fits right the first time |
How Custom Flanges Solve Compatibility Issues
1. Tailored Dimensions
From OD and ID to bolt circle diameter, every spec is customized. No need to force-fit or modify pipe ends.
2. Mixed Standards? No Problem.
Need to bridge JIS to ANSI or DIN to BS10? A custom flange can be your translator—engineering-wise.
3. Material Matching for Unique Environments
Acidic fluids? High pressure? Extreme temperatures? Choose a custom flange in exotic materials like Inconel, Hastelloy, or Super Duplex.
4. Angular Adjustments and Tapered Ends
When alignment is tricky, custom flanges with slight tapers or offset holes solve the issue with surgical precision.
But What About Cost and Time?
We get it—custom sounds expensive. But consider the full picture:
a. Cost of rework
b. Labour hours wasted on poor fits
c. Downtime penalties
d. Delays in commissioning
A one-time custom part can eliminate cascading costs across your entire project.
Still Not Sure? Start Small
If you're uncertain, begin with just the critical junctions. Let OnlineFittings.com help you spec out custom flanges only where needed. With CNC machining, fast delivery, and material certification—we make custom feel like standard.
Final Thought: Fit First, Fix Later or Never Fix at All?
Currently where industrial efficiency is currency, every misalignment is money lost. Custom flanges don’t just solve problems—they prevent them altogether.
So the next time your project demands precision, think beyond off-the-shelf. Think custom.
Think Online Fittings —where we don’t just deliver steel, we deliver peace of mind.
Tailored. Tested. Trusted.
Recommended blogs
For Further Inquiry

+91 9004790045
Online Fittings is a privately held stockiest and distributors of Stainless Steel and Alloy Steel, the head office in Mumbai.Our company's vision is to understand our customers requirements and meet them fully to their entire satisfaction by way of high quality, competitive price and prompt service.