Is there any relationship between trim no. specified in API 600 and leakage rate specified by DIN 3230-3 or any other standards in a globe or gate valve?

I am wanting to use globe valves for throttling flow in a marine cooling system application instead of an orifice.

I have been advised that the placement of the equalization tube (pipe) must be directed from the top of the valve to the high pressure side of the valve.

I ran into a question today concerning a symbol located in the casting of a globe valve. In fact it is on every globe valve we are installing.

A Globe Valve manufactured as per ASME 16.34 was found to have body casting defects. Excavation has been done to remove defects.About 10% of area of Body got excavated and one of the defects is 40% of

A sketch (& much less a detailed drawing) can't be sent you because you haven't furnished an address. Additionally, this site doesn't permit publishing addresses so don't even try.

If a valve stem is broken, can it be welded back together in field?

I have to purchase a 1" Globe Valve, 450 Bars Hub ended, designed to 450 bar for (-35