Views:0 Author:Site Editor Publish Time: 2021-09-24 Origin:Site
Wedge gate valve is a kind of gate valve. It is named because its sealing surface forms an angle with the vertical centerline, that is, the two sealing surfaces form a wedge. Generally, for gate valves with wedge-shaped sealing surfaces, the angles between the sealing surface and the vertical centerline are 2 ° 52 ‘, 3 ° 30’, 5 °, 8 °, 10 °, etc. Wedge gate valve is divided into rising stem gate valve and Non rising stem gate valve, wedge single gate valve and wedge double gate valve. The driving modes include: electric, pneumatic, manual, pneumatic, etc. the connection modes include flange type, welding type and wafer type.
Body: Ductile iron GGG40/GGG50
Disc: Ductile iron+EPDM/NBR
Stem: Stainless steel