... VITON,PTFE,etc. very convenient Butterfly Val Rubber Butterfly ValveA/LT type, with pin. *Body: C.I/ ... , easy instillation and maintenance. It can be mounted wherever needed2. Simple and compact construction, quick ... materials, applicable to various mediums8.Various of rubber seats, such as Natural Rubber, Hypalon, EPDM, Neoprene, NBR, ... E, BS4504,BS10D&E,JIS10K. Lug Type Rubber Lined Butterfly Valve