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Multi Port Plug Valve

4 Way

A 4-way plug valve is a specialized industrial valve designed with four ports arranged in a specific configuration: one inlet, one outlet, and two diverter ports.
4 way Plug Valves


Multi Port Plug Valve - 4 Way
Size Range

2 – 14 NPS, DN50 - DN400

Body Materials

Cast iron, ni-resist, aluminum, carbon steel, 316 steel

Temperature Range

to 400°F (200°C)

Plug Materials

Stainless Steel

Maximum Allowable Operating Pressure

150# 300#

Seat Materials


Shutoff Rating

Bidirectional Bubble-tight

Plug Materials

Stainless Steel

Body Style

Side Entry

Design Standard

API 599

Flange Drilling

ASME B16.5

Testing Standard

ISO 5208, EN 12266-1

Face To Face

ASME B16.10


Potable Water, Wastewater, Seawater

  1. Multi-Port Configuration: 4-way plug valves have four ports (inlet, outlet, and two diverting ports) arranged in a specific configuration that allows for multiple flow path options. The plug inside the valve can be rotated to divert flow between the ports as needed.

  2. Rotating Plug Mechanism: Similar to standard plug valves, 4-way plug valves feature a cylindrical or tapered plug that rotates within the valve body. This rotation controls the direction of flow and determines which ports are connected.

  3. Durable Construction: They are typically constructed from robust materials such as stainless steel, carbon steel, or other alloys, depending on the application requirements. This ensures durability and resistance to wear and corrosion.

  4. Lined Versions Available: Like standard plug valves, 4-way plug valves can also be lined with materials such as PTFE (polytetrafluoroethylene) or other fluoropolymers to enhance chemical resistance and prevent corrosion.

  5. Actuator Compatibility: Many 4-way plug valves are designed to be compatible with actuators, allowing for remote or automated operation. This enhances control precision and enables integration into automated process systems.


  1. Excellent Chemical Resistance: The lined design offers superior resistance to corrosive chemicals, making it ideal for harsh environments.
  2. Enhanced Longevity: High-quality materials and protective linings extend the valve’s service life, reducing the need for replacements.
  3. Minimal Maintenance: Durable construction and reliable sealing minimize maintenance requirements, saving time and costs.
  4. Versatile Applications: Suitable for a wide range of industries, including chemical processing, water treatment, food and beverage, pharmaceuticals, and oil and gas.
  5. Leak Prevention: Tight sealing reduces the risk of leaks, enhancing system safety and efficiency.
  6. Cost-Effective: Long-lasting performance and reduced maintenance needs make lined butterfly valves a cost-effective solution for fluid control.
  7. Easy Installation: Flexible connection options and various actuation methods simplify installation and integration into existing systems.
  8. Operational Flexibility: Capable of handling a wide range of pressures and temperatures, providing flexibility in various operational conditions.
  9. Safety and Compliance: Adherence to international standards ensures safety, reliability, and high performance in critical applications.

Overall, 4-way plug valves provide a robust solution for applications requiring versatile flow control capabilities, offering benefits such as flexibility, efficiency, and reliability in managing fluid flow within industrial processes.


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