Orbinox UK Ltd Looking for 100% EU manufacture, including all materials, for your resilient seated butterfly valve requirements? …… THINK InterApp! This DESPONIA series resilient seated fully lugged butterfly valve is destined for the Middle East for use on a sea water application with a high chloride content in conjunction with temperature. The specification demanded a ductile iron body with 200 micron paint system, a super austenitic s/steel disc, 17-4 s/steel shaft and EPDM liner c/w a BETTIS™ CBB series single acting pneumatic actuator and our PNEUTON™ engineered control system.