WE DESIGN AND MANUFACTURE

innovative blinding technology used to isolate process piping.

protect people & environment

Engaged with our customer to reduce their emissions

WE ARE daily committed to

design safe and sustainable solutions for our customers.

We reduce downtime

Up to 95% compared to conventional isolating equipment.

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WORLD LEADER

for quick, safe and reliable pipe opening operations.

World leader

FOR SEVERE PROCESS CONDITIONS. -120°C Up to 650°C. Up to 10 000 PSI.

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Our product line

QUICK ACTION LINE BLIND – QLB

DOUBLE BLOCK AND BLEED – D3B

QUICK RUPTURE DISC CHANGER – QDC

QUICK ACTION FILTER CHANGER – QFC

Onis an international group

Since 1979, ONIS has a large global footprint focused on delivering green, safe, high payback blinding solutions for customers in mid and downstream petrochemical industries. With products that have been innovated for more than forty years and installed in more than 12,000 different applications, ONIS is the technology leader for providing positive isolation technologies and is trusted for use in extreme, critical process applications.

Discover Onis

QUICK ACTION LINE BLIND

Enables the ability to blind a pipe in minutes with only one person and zero tools.

The simple and reliable ONIS Quick Action Line Blind can be operated easily by only one person and without tools.

Minimal operating time: from 1 to 15 minutes maximum depending on the product size and configuration.

Save time

Safety

No tools

Green design

Pay back

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We provide industry solutions

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ONIS WORLDWIDE

Years of experience

Customer support offices

Devices installed

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News & Blog

Get every single updates here

Spectacle Blind or Line Blind: How to Choose the Right Positive Isolation Device?

Sep 19, 2023

Explore the differences between spectacle blind and line blinds. Learn how to choose the right positive isolation device for optimal safety.

Line Blanks and Applications in Piping Systems

Nov 28, 2022

Line blanks, also known as “line blinds,” are used to isolate a portion of pipe, usually for maintenance purposes. Overview of different methods.

What is positive isolation ?

Jul 20, 2022

In pipe industry, there are different methods of isolation including positive isolation. Focus on the best solution: the pipe blinding operation.

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