Explore the differences between spectacle blind and line blinds. Learn how to choose the right positive isolation device for optimal safety.
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.
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
We provide industry solutions
Onis in hydrocarbons
Onis in Olefins
Onis in gas transmission
Onis in gas production
Onis in storage and transport
Onis in chemicals
Onis in steel plant
Onis in pharceutical
Onis in power
Onis in water treatment
Onis in food industry
Onis in mining industry
ONIS WORLDWIDE
Years of experience
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Line Blanks and Applications in Piping Systems
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 ?
In pipe industry, there are different methods of isolation including positive isolation. Focus on the best solution: the pipe blinding operation.