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Parent Category: Safety Info Posts

Category: Chemical Process Safety (PSM/RMP)

Published: 19 March 2011

Yes, there is a safety program called the car-seal program. In most chemical processing plants, a car-seal program is a CRITICAL program in their PSM/RMP program; however, this program has uses in almost any type of facility with relief valves, cooling water systems, eyewash/safety showers, etc. This program is designed as an administrative control technique to maintain safety-critical valves in their SAFE POSITION.

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+2 #2 Bryan 2013-04-14 19:14

Tim,
As long as aluminum is compatible with the environment. Even SS may not be the right materials of construction from some process environments. Many facilities use plastic successfully. It all just depends on what will have the best compatibility to the environment the car-seal is used in. In fact, the same site may have different needs in different process areas in regards to the car-seal's material of construction. Hope this answers your question; thanks for getting involved in the discussion.

+1 #1 Tim Hughes 2013-04-14 19:08

In the detailed article on this subject, there's an example of a car seal, cable lock device being used. This appears to be stainless steel. There are some car seals in use which have an aluminum body with galvanized steel cable (like the ones shown here www.car-seal.com). Is it acceptable to use the aluminum type car seal in a petro-chem environment?

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