3-Way Ball Valve
T-port or L-port ball valve for flow diversion, mixing, or directing flow between two circuits.
Technical Specifications
| Type | 3-Way (T-Port / L-Port) |
| Size Range | 1/4" to 12" (6 mm to 300 mm) |
| Body Materials | Carbon Steel (WCB), SS304, SS316, CF8M, Brass |
| Ball Material | SS316 / Chrome Plated |
| Seat Material | PTFE, RPTFE, PEEK |
| Stem Design | Blow-out proof, anti-static |
| End Connections | Flanged, Threaded, Socket Weld |
| Pressure Rating | PN16 / PN25 / PN40, Class 150 / 300 |
| Standards | API 608,BS 5351 |
| Lead Time | Ex-stock Gujarat: Same day | Standard items: 2–4 weeks | Exotic alloys: 8–12 weeks |
Applications
Flow diversion, mixing, heat exchangers, utilities
About the 3-Way Ball Valve
The 3-way ball valve performs diversion, mixing, or switching duties that would otherwise require two separate 2-way valves and a tee fitting - combining them into a single compact body with one actuator or handwheel. The ball is machined with either a T-port (T-shaped through bore) or an L-port (L-shaped bore). A T-port ball valve in the two extreme 90-degree positions directs flow from the inlet to one of the two outlets; rotated 45 degrees, all three ports are simultaneously open, enabling flow mixing or splitting. An L-port valve can only connect one pair of ports at a time, making it a pure diversion device - it cannot mix.
The quarter-turn operation and compact body make 3-way ball valves the preferred choice for heat exchanger bypass switching, sampling line selection, chemical tank changeover, and process stream diversion. In automated service, a single pneumatic or electric actuator replaces the two actuators that separate 2-way valves would require, reducing cost, wiring, and control complexity. Vajra Industrial Solutions supplies 3-way ball valves in sizes 1/4" to 12" in Carbon Steel, SS316, CF8M, and Brass in T-port and L-port configurations, conforming to API 608 and BS 5351.
Where It's Used
Key industries and applications for the 3-Way Ball Valve
Heat exchanger bypass and switchover
T-port ball valves for directing hot or cold process streams to one of two heat exchangers, or bypassing a heat exchanger for cleaning; single actuator replaces two separate control valves
Sampling and analyser systems
SS316 L-port 3-way ball valves for switching between process streams or directing sample to analyser versus drain; compact threaded body fits directly on sample probe assemblies
Chemical tank selection manifolds
SS316 or CF8M T-port ball valves for switching dosing pump suction between two storage tanks, enabling uninterrupted dosing during tank changeover
HVAC three-way mixing valves
Brass or WCB T-port ball valves for mixing hot and cold water supply to maintain zone temperature setpoint; simpler and lower cost than conventional three-way globe control valves at low flow rates
Pharmaceutical and food process diversion
SS316 3-way ball valves with RPTFE seats and tri-clamp or aseptic connections for CIP routing, product diversion to drain or filling, and batch transfer selection
How to Choose the Right 3-Way Ball Valve
Choose T-port when you need to mix two streams or split one stream into two simultaneously at the mid-position. Choose L-port when only pure diversion (switching between two destinations) is required and mixing is never needed. Size the valve based on Cv at the required flow rate - in mixing position (T-port at 45°), each branch has approximately half the full-open Cv. For automated service, verify actuator torque at the mid-position, where torque is typically highest.
Popular Configurations
Most commonly ordered specifications for the 3-Way Ball Valve
Frequently Asked Questions
About 3-Way Ball Valve - ordering, specs, delivery & compliance
What standards does the 3-Way Ball Valve comply with?+
Our 3-Way Ball Valve complies with API 608, BS 5351. All products are manufactured to international standards and come with full material test reports (MTR), dimensional inspection reports, and hydrostatic test certificates on request.
What materials are available for the 3-Way Ball Valve?+
The 3-Way Ball Valve is available in Carbon Steel (WCB), SS304, SS316, CF8M, Brass. Material selection depends on your process fluid, temperature, pressure, and corrosion requirements.
What is the delivery lead time for 3-Way Ball Valve?+
Standard stock sizes are available for immediate dispatch from our Vadodara warehouse. Custom sizes and special materials typically have a lead time of 2–6 weeks depending on specifications. We serve customers across India within 1–7 business days and export to the Middle East, Southeast Asia, Europe, and the Americas with full export documentation.
Can I get a custom 3-Way Ball Valve for a specific application?+
Yes. Vajra Industrial Solutions supplies custom-engineered ball valves for specific process conditions. Submit your technical requirements - including pressure class, temperature range, fluid type, end connections, and any special trim or coating needs - via our RFQ form or WhatsApp, and our engineering team will respond within 24 hours.
What pressure ratings are available for the 3-Way Ball Valve?+
The 3-Way Ball Valve is available in pressure ratings of PN16 / PN25 / PN40, Class 150 / 300. Higher-pressure classes are available for critical service applications in oil & gas, power generation, and chemical processing.
How do I request a quote for the 3-Way Ball Valve?+
You can request a quote by clicking the "Request Quote" button on this page, filling out our RFQ form at vajravyuh.com/rfq, emailing us at sales@vajravyuh.com, or WhatsApping us directly at +91-9979774557. Please include quantity, size, pressure class, material grade, and end-connection type for the fastest response.
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