Ako je ta vaša ilustracija slična ovoj (v. sliku na str. 11), onda bi "Fix Cup-valve" moglo da znači: "podesiti zvonasti ventil (na vrednost: Δh~ΔP)".

"The Schwelgern coke plant
...
Fix Cup-valve: Δh~ΔP"
( http://www.uhde.biz/cgi-bin/byteserver.pl/archive/upload/uhd... )


"FreePatentsOnline
Process for gas pressure regulation in the retort of a coke oven
...
A process is disclosed for regulating the gas pressure in the retort of a coke oven. Pivotable cup valves arranged in the elbows of the ascending pipe are actuated as throttling members according to the pressure curve resulting from gas formation from the coal to be cokefied."
( http://www.freepatentsonline.com/5609731.html )


cup valve, bell shaped valve – zvonasti ventil
(Bajić B. et al, Poslovni privredno-tehnički rečnik srh-de-en-fr)


cup valve – ventil sa zvonastim zapornikom
(Milićević J, Rečnik mašinske tehnike)