Design std. BS 1873 and BS 5352 Sizes - mm 15 to 300 Pr. Class 300 Materials WCB,LCB,CF8,CF8M,CI,CW12M , CN7M Trim Monel, hast alloy-C, and other alloys Ends Flanged ends Features Encased sealing on all joints Options Pups, gear, pneumatic and electric actuators