English sentences related to safety valves
Thread Content
I don’t understand some of the wording in the safety valve calculations: WETTED DISTANCE BELOW 25' ELEVATION； NLL TO LOWER TANG LINE ； RATIO OF ASSOCIATED PIPING AREA TO WETTED SURFACE ； ELEVATION OF LOWER TANG LINE ； WETTED BTMS ELLIPTICAL HEAD AREA ； Please help translate it, thanks!
Professional English translation – only those who truly understand it can be considered moderators; the rest are mostly amateurs.
Give it a try, and please feel free to correct me, comrades: WETTED DISTANCE BELOW 25' ELEVATION； Distance from material contact below 25’ elevation: NLL TO LOWER TANG LINE ； Normal liquid level to lower tank body line (tangent) RATIO OF ASSOCIATED PIPING AREA TO WETTED SURFACE ； Ratio of connected pipe area to surface area in contact with the material; LOWER TANG LINE ELEVATION: Elevation of the tangent line to the tank; WETTED BTMS ELLIPTICAL HEAD AREA ； Area of the elliptical head in contact with the material
WETTED BTMS ELLIPTICAL HEAD AREA； Elliptical head area in contact with the material
Supports third-floor translation. These are the relevant items of the API520/521 safety valve calculation program, which calculates the safety valve load for gaseous substances based on the area affected by fire in industrial and mining environments. What is easily overlooked is the connection pipeline section.