German standards F4 ductile iron soft seal gate valve

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Features: 1. Open degree can be indicated in distance, in case to close 2. 100% Sealing performance with zero leak 3. Easily maintenance 4. Anti vibration & anti-cavitation 5. Due to the core parts made of epoxy resin & ductile iron, the clean water can be directly drunk though this valve

Advantages: 1.Accurately & easily control in distance 2.Long service period