Product characteristics:
1. Flat-bottomed seat, no accumulation of dirt, make the seal more reliable.
2. The valve disc is encapsulated with NBR as a whole. The inner parts of the valve are made of corrosion-resistant stainless steel and copper alloy, which can be used for sewage system to adapt to harsh working conditions.
3. Small size, light weight, easy to install and maintain
4. The valve stem is sealed with three O-rings, which greatly reduces the friction resistance of the switch and makes the switch light and water-tight.