1. Structure and principle of operation
(1) Basic Structure
● Valve body: usually one-piece or split (materials such as WCB, CF8, CF8M, etc. can be chosen).
● Ball: The main component with an L-shaped or T-shaped through-hole that changes the direction of flow by rotation.
● Valve stem: connected to the actuator, making the ball rotate (90° or 180°).
● Seal: The valve seat is made of PTFE, PPL, metal rigid seal, etc., to ensure zero leakage.
(2) Working Hours
L type four-way ball valve (90° rotation control):
● Realizes the switching of "two inputs, two outputs" medium, which is common in mixing or diversion environments.
● For example: Flow direction switching A→C, B→D or A→D, B→C.
Type T four-way ball valve (180° rotation control):
● Can realize three-way in single or multi-directional retraction, suitable for more complex process control.
2. Main Features
✅ Multi-Flow Control: 4 pipes can be connected at the same time to achieve middle elbow, merge, or U-turn.
✅ Compact Design: Compared with the combination of multiple valves, the four-way ball valve has a more compact design and reduces leakage points.
✅ Quick switching: Only 90° or 180° rotation is required to complete the flow direction adjustment, which is convenient to operate.
✅ Low Flow Resistance: Full Bore design reduces pressure loss.
✅ High sealing: Soft seal (PTFE) or metal solid seal (Stellite), suitable for high pressure, high temperature or corrosive media.
3. Main Applications
● Oil & Gas: Pipeline switching, multi-way oil/water injection system.
● Chemical industry: multi-channel reactor feeding control, solvent mixing system.
● Pharmaceuticals & Food & Beverage: CIP (Purification System) Flow Direction Switching to Prevent Cross-Contamination
● **HVAC System**: Multi-channel refrigerant circulation control.
● Shipbuilding and energy: fuel switching, multi-channel cooling system control.
4. Pickpoints
Stream Channel Type:
● L-type (90° switching, two inputs and two outputs)
● T-type (180° switching, three-way mixing or diversion)
● Pressure Level: General Grade 150~600 (PN16~PN100), Ultra High Pressure Can Be Customized.
Material selection:
● Carbon Steel (WCB): General Industrial Application
● Stainless steel (CF8/CF8M): corrosion resistant, food grade
● Special alloys (Hastelloy, Monel): strong acidic, strong alkaline medium
● Connection Method: Flange (ANSI/ASME/DIN), Butt Weld (BW), Thread (NPT/BSP).
● Actuator: manual (handle/reducer), electric, pneumatic or hydraulic.
