When we talk about cast iron gate valves in the market, we mean the gate valve made of gray cast iron, which is one of the most common gate valves. There is also another kind of common gate valve — the ductile iron gate valve.
But at present, the market for the cast-iron gate valve is still relatively confusing, and the quality varies. So when buying a cast-iron gate valve, a high-quality gate valve manufacturer is critical. Where can you find the best quality cast iron gate valves? We recommend Dervos.
Cast iron gate valves can be divided into rising-stem cast-iron gate valves and non-rising stem cast-iron gate valves according to the structure. The difference between the two mainly lies in the shape. The rising-stem cast-iron gate valve is taller and larger, which requires a relatively large installation space.
Cast iron gate valves are suitable for media such as freshwater, sewage, seawater, steam, weak acid and alkali substances. It can be applied in urban construction, water conservancy projects, electric power, water supply and drainage, water treatment, petroleum and other industries.
It can be recommended that Dervos is a good manufacturer for High-quality cast-iron gate valves. Our cast iron gate valves have the following advantages:
1. Cast iron body HT200, with a certain tensile strength
2. The thickness of the inner wall of the valve body conforms to the national standard and is strong and resistant.
3. Valve plates and seats are welded with aluminum bronze, which increases its wear resistance and sealing.
4. The valve is painted by primer coat once and topcoat twice. And the flange is equipped with a cover to protect the flange sealing surface.
5. Every cast iron gate valve has to go through pressure tests before shipping.
Dervos with good production technology, high product quality, fast after-sales service, welcomes your calls for more cooperation!