PN10 / PN16 / 25, cast iron body, epoxy coating, EPDN seat belt actuators. Butterfly valve "WAFER" type PN10 / 16/25, boby in cast iron G250 Epoxy painting, EPDM seat, with actuator Temperature:. -15 ~ 135 ℃ Connection: clip-on flange, etc. Body Material: 304,316, WCB, ductile iron, aluminum disc material: ductile iron nickel, 316, ductile iron nylon bag, Hastelloy, aluminum bronze, two-way stainless steel, ductile iron vulcanized rubber, iron balls covered with ceramic sealing material: EPDM, PTFE, VITON , FPM Suitable medium: water, gas, oil, powder particles, flue gas desulfurization characteristics: 1, small, lightweight, easy installation and maintenance, and can be mounted in any position. 2, the structure is simple, compact, low operating torque, 90 ° swing open quickly. 3, the flow characteristics of linear trend, regulated performance. 4, the disc-free connection with the stem pin structure, it is possible to overcome the internal leaks. 5, using the spherical shape of the outer disc, improved sealing performance and extend the life of the valve, with pressure hoist more than 50,000 times remain zero leakage. 6, the seals can be replaced, and achieve bi-directional sealing reliable sealing. 7, the disc can be sprayed coatings based on user requirements, such as nylon or PTFE classes. 8, the valve can be designed into flanged and wafer. 9, drive optional manual, electric or pneumatic