I'm wondering what are the key elements of a "Fire Safe" ball valve, particularly in accordance with API 607. My understanding is that the construction of the valve seat has both a resilient component for better sealing, as well as a metallic component in for secondary sealing in the case of a...
I have a questions in regards to ball valves.
I have some client valve specifications which specify "Long Pattern" as per ASME B16.10 as opposed to "Short Pattern". I am mainly dealing with 150# and 300# flanged ball valves.
As I have gone through manufacturer models, I have noticed that some...
Has anyone had any experience with electropolishing AL-6XN piping? I have a flow diagram that indicates a certain portion of AL-6XN piping to be electropolished. Seeing as how AL-6XN is already a high quality alloy, are there benefits for it to be electropolished?
Also, what would generally be...
What typical materials are used for ammonia service? And what are the corrosion mechanisms that need to be considered for this type of service? Is it considered the same as amine service?
Thanks
Hello,
I'd like to find out what experiences people have had with protecting mechanical equipment from fire.
In particular, what are the differences between the following types of materials used for fire protection?
Calcium Silicate
Cellular Glass Block
Glass/Mineral Fibre
Perlite
Also, is...
Hello,
I've got some ball valve specifications where NXT Modified PTFE is being specified for the seat material. Has anyone had any experience with this type of material?
How does it compare against 15% Glass Reinforced PTFE in terms of performance, services, chemical resistance and permeation...
