What is blinding in safety?

Blinding means stopping a process flow by placing a properly rated obstruction in a line. It is the preferred method of positive isolation by stopping the process flow line.

What is blinding in piping?

Line blinding is the process of blocking off or completely isolating a pipeline, duct or process flow.

What is blind in refinery?

Blinds—also known as blanks or spades—provide positive isolation between sections of a process.

What is a blind in oil and gas?

Blind flanges are solid disks that are solely created for one purpose. They are used to create stops or to block off a pipeline. The blind flange is created and machined in the same way that a regular flange is made.

What is line break procedure?

1. PURPOSE. To protect employees from injury caused by the unexpected release of hazardous materials while opening or disconnecting process piping or equipment that cannot be verified as cleared and/or depressurized.

What is first line break?

First Break is First break is the act of breaking the integrity of process piping or equipment that may contain toxic or hazardous products. It is a planned loss of containment where there is potential for trapped pressure, or exposure to a toxic commodity or unknown material.

What is flange and blind?

A blind flange is a solid flange as shown below. The purpose of these is to block off a section of pipe or a nozzle on a vessel that is not used. Blind flanges, just like standard pipe flanges, can be raised face (RF) or flat faced (FF).

Why spacer is used in piping?

Spacer Rings, also known as piping spacers, are used between flanges to correct gaps or misalignment. Spacer rings are sometimes tapered and are almost always custom machined per very specific measurements.

What is spade blind?

A spectacle blind consists of a spade and a spacer which are manufactured for the purpose of installation in one piece. It is used as a safety device to isolate a particular section of pipe or equipment when this section or this equipment is to be inspected or decommissioned.

What is the function of a blind flange?

Blind flanges are used to seal the end of piping systems or pressure vessel openings. They are commonly used for testing the flow of gas or liquid through a pipe or vessel, in addition to allowing for easy access to the pipe in case work must be done inside the line.

When is line break permit required?

This permit is for any Contractor engaged by AIT Estates Office who will carry out work involving breaking or opening up of pipe-work. This permit applies to all situations where pipe-work requires opening up and where hazardous contents may leak or where residual deposits may be present.

What is first break procedure?

Overview. First Break is First break is the act of breaking the integrity of process piping or equipment that may contain toxic or hazardous products. It is a planned loss of containment where there is potential for trapped pressure, or exposure to a toxic commodity or unknown material.

What is the blinding method?

Blinding means stopping a process flow by placing a properly rated obstruction in a line. It is the preferred method of positive isolation by stopping the process flow line. Before starts Blinding check the Following… 1.

How to check for line blinding?

1. Check the permit is correct for blinding. 2. Get the checklist in which mentioned that the particular line which has to be blind that is properly isolated, drained & depressurized. If not then go for it. 3. Check CTRA that is Critical Task Risk Assessment.

What is the difference between blinding and playback?

Playback on other websites has been disabled by the video owner. An error occurred while retrieving sharing information. Please try again later. Blinding means stopping a process flow by placing a properly rated obstruction in a line. It is the preferred method of positive isolation by stopping the process flow line.