DN50 O-Ring set in NBR for pneumatic actuator type AVT 210 (KZPAA210) AVT 210 (KZPAB210) GTX254, GUIDE DNA254A F16 SW46 A10N. ALFA 24K (KAN24603) 10216 , DN 80 KA616801 , type ALFA 103;3-Way wafer type ball valve 18230 Teflon seal for valve 6 “ (DN150) WCB JS0947 KZPAA210 KZPAD254 GTX254.- alternative KE800112, GTX254 KE800112 GTX. 52