4A National Standard Three-Way Ball Valve

4A National Standard Three-Way Ball Valve

4A National Standard Three-Way Ball Valve is a versatile flow-control solution designed in accordance with strict Chinese national standards (GB). Featuring a three-port configuration, this valve allows fluid to be diverted, mixed, or shut off within a single unit. Because it utilizes a precision-engineered spherical ball, it effectively replaces the need for multiple two-way valves and complex piping manifolds.

High-Strength 4A Duplex Material

This valve is manufactured from 4A (CD3MN) duplex stainless steel, which provides a unique combination of high mechanical strength and exceptional corrosion resistance. Consequently, it is the preferred choice for handling aggressive media like seawater, brine, and acidic chemicals. Furthermore, the robust nature of the 4A alloy ensures that the valve body can withstand high-pressure conditions without compromising structural integrity.

Key Features and Functional Advantages

In order to maximize system efficiency, our three-way ball valves offer several specialized engineering features:

  • T-Port and L-Port Designs: This valve enables various flow paths for diverting or mixing fluids. Specifically, the L-port is used for simple direction switching, while the T-port allows for more complex flow combinations.
  • Standardized Dimensions: Built to national specifications, these valves ensure perfect compatibility with existing domestic flanged systems. Therefore, installation and future replacements can be handled with minimal system downtime.
  • Space-Saving Efficiency: Because multiple functions are combined into one valve body, it significantly reduces the space required for piping. Additionally, this compact design lowers the total weight and cost of the installation.
  • Reliable Quarter-Turn Operation: The 90-degree mechanism allows for rapid flow switching. Ultimately, the tight-sealing seats ensure a leak-proof performance even in high-cycle industrial automation environments.

Wide Industrial Applications

Whether you are managing chemical processing, HVAC systems, or food and beverage production, the 4A three-way ball valve provides the reliability your project demands. Specifically, its ability to handle corrosive media while offering complex flow control makes it a critical component in modern pipeline systems. Consequently, choosing our National Standard valves ensures long-term safety and operational efficiency.


Technical Summary for your Table

FeatureDetails
Material Grade4A / CD3MN Duplex Steel
Configuration3-Way (T-Port or L-Port)
StandardGB National Standard
Common UsesFlow Diversion, Mixing, and Distribution