Proval valves are now part of Wexon's product range.
Proval is a Turkish manufacturer of high quality and cost effective pneumatic actuators and ball valves.
Proval offers a wide range of ball valves in the size range 1/4 "- 4" with threaded connection. Made of nickel-plated brass or AISI316. Available with limit data as well as EX approval (Ex II 2GDc).