I need to reduce the pressure in an existing 1" line to 1bar before it enters a column (feed). The source of the stream is at 20 bar. We have a iso container available to use as a buffer.

I would like some suggestions on a good anti friction additive to epoxy. I will replace my hobby mill's brass leadscrew nut with a 'cast in place' nut directly on the leadscrew. This is not a new idea

Does anyone know how metal to metal tapered plug valves are manufactured to create a proper seal (For use on LP, per ANSI Z21.15). Do the plug and body need to be lapped into eachother, should the bo

I had always heard that a plug valve should be used for manually balancing hydronic systems instead of a butterfly valve due to the poor throttling ability of the butterfly valve.

I have a storm drainage system that has a flow splitter to some treatment devices. Gate valves are shown on each side of the flow splitter for either spill control or maintenance purposes, i.e. flow

Is it correct to expect a plug valve to hold full test pressure in both flow directions? In this case, I'm looking at a resilient seat eccentric plug valve (6") in a new wastewater force main. Contrac

Why would one use a lubricated plug valve over a ball valve for shutoff in natural gas service? Is it a temperature issue if the valve is located outdoors?

Can I ask which type of plug valve you all prefer, and why? Are there other characteristics of a plug valve that are more important than port shape that I want to be sure and include in my specs?