Carbon Steel 3 way Ball Valve Description
Carbon steel three-way ball valve is a three-way ball valve made of carbon steel (such as WCB material). It controls the flow direction of the media in three pipelines by rotating the ball with channels. Its core structure includes:
Valve body: carbon steel casting, integrated design to reduce leakage points;
Ball: divided into T-type (three-way intercommunication, diversion/merging) and L-type (right-angle two-way, distribution flow direction);
Sealing valve seat: mostly polytetrafluoroethylene (PTFE) or metal hard seal, resistant to high temperature and high pressure;
Valve stem and drive mechanism: connected to handwheel, pneumatic or electric actuator to achieve 90° rotation opening and closing;
Connection method: flange connection (easy to disassemble) or butt welding connection (high pressure scene)
Carbon Steel 3 way Ball Valve specification
Specification range
Pressure level: Class 150 ~ Class 1500 (high pressure scenario up to 1500 pounds);
Applicable temperature: -29°C to 425°C (metal hard seal can withstand 450°C);
Diameter range: DN15 ~ DN500 (covering small diameter to large flow requirements).
Certification: API 6D, ASME B16.34, CE/PED, etc.
Advantages and features
Compact structure: small size, saving installation space;
Reliable sealing: two-way sealing design to prevent medium backflow, low leakage rate;
Corrosion and pressure resistance: carbon steel material has high hardness, wear resistance and erosion resistance, suitable for high pressure and corrosive media;
Convenient operation: 90° rotation to quickly switch flow direction (opening and closing time 0.05~0.1 seconds);
Economical and practical: The cost is lower than stainless steel and other materials, and maintenance is simple (only the seal needs to be replaced).
Applications and Function
| Industry | Function |
|---|---|
| Petrochemical/Energy | Oil and gas transmission diversion, reactor multi-channel switching (anti-cross contamination); |
| Pharmaceutical/Food | Medium distribution in sanitary pipelines (such as CIP cleaning systems, raw material mixing); |
| HVAC System | Hot and cold water flow balance (such as floor heating manifold), heat exchanger temperature difference adjustment; |
| Water treatment/environmental protection | Backwash filtration system flow switching, sewage treatment agent addition; |
| Power/Ship | Control steam/cooling water flow, fluid distribution on offshore platforms |
3 way Ball Valve
Key points for selection
Flow direction requirements: select L-type for switching flow direction, and T-type for mixing/dividing flow;
Sealing material: fluorine-lined valve seat for corrosive media, and metal hard seal for high-temperature conditions;
Drive mode: pneumatic/electric is recommended for frequent operation, and manual is selected for low-frequency maintenance.
Note: Carbon steel three-way ball valve has become a core component of complex pipeline systems due to its efficient flow control capability and pressure resistance economy.
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