Overview
The VEF regulating valve series threaded cast copper valve, when equipped with an electronic drive control device, can regulate the flow of steam or cold/hot water, and is widely used for fluid control in systems such as central air conditioning, heating, water treatment, and industrial processing industries.

Model List

Overall dimensions

Technical characteristics and specifications
1. Valve body: cast steel, cast iron
2. Valve disc: brass (HPb59-1)
3. Valve stem: stainless steel (1Cr18Ni9)
4. Valve stem seal: Ding Qing rubber+PTFE
5. Nominal pressure: PN16
6. Flow characteristics: Linear
7. Maximum fluid temperature: Room temperature (-10 ℃~120 ℃)
8. Leakage rate: ≤ 0.06%/Kvs (under specified differential pressure)
9. Water flow direction: in the direction of the arrow (two-way); Split flow, mixed flow (three-way)
10. Valve opening and closing direction: upward opening, downward closing (two-way)