Tag Archives: Mechanical Integrity

Pressure Relief Valves – The Five Year Replacement Interval

There has been a lot of discussion recently about the five year inspection interval for Pressure Relief valves. I believe that a lot of this discussion comes from this quote out of the National Emphasis Program for Refineries CPL 03-00-010: … Continue reading

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Torque Wrenches for Ammonia refrigeration valves

Yes, it really has come to this. Let’s start with a single citation… What equipment could this citation be concerning? Take a look at the compliance officer’s narrative: The officer went on to say in the OSHA 1-B Inspection worksheet: … Continue reading

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Welding Slag Destroys Valves!

“Wire drawing” is when the valve seat wears out at one area from operating with significant pressure differential near but not completely closed. This can be caused by not closing the valve all the way, such as using a control … Continue reading

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Garden City Ammonia Program PodCast

I recently had a long conversation with Craig Ward of Garden City Ammonia Program. He turned it into an episode for their GCAP Cool Cast. You can listen to the entire conversation here. As always – feedback is welcome.

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Fatal spill brings $91,000 fine

South Carolina regulators have fined a Pennsylvania company $91,000 for a string of emergency preparedness failures they say occurred before a fatal chemical leak near its Swansea plant last year. The Department of Health and Environmental Control says the wrong … Continue reading

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Improper Insulation Installation = Trouble

We recently found a pipe that had been insulated below and above the roofline. The portion of the pipe between the upper and lower roof surface was not insulated at all: Here’s what the pipe section looked like when it … Continue reading

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Compromised Insulation

How serious is compromised insulation? One way of answering that is with an infrared camera. Take a look at the picture below: The saturated temperature on that LTRL line is about 0F and the LTRS line is about -40F. Obviously … Continue reading

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