The 3 Piece Flanged Ball Valve is a high-performance industrial fluid control solution engineered for maximum reliability and ease of maintenance. Unlike standard one or two-piece designs, this modular configuration consists of a valve cover, an intermediate valve body, and an end cap, typically secured by four high-strength bolts. This unique architecture ensures superior fastening and significantly higher pressure resistance, making it an essential component for demanding industrial piping systems.
Designed for versatility and durability, these valves are ideal for petrochemical, water treatment, and chemical processing environments. By allowing the center body to be removed for inspection or seat replacement without disconnecting the entire pipeline, the 3 Piece Flanged Ball Valve drastically reduces operational downtime and life-cycle costs. Whether you require stainless steel for corrosion resistance or carbon steel for structural strength, this valve delivers precision flow control and leak-free operation under extreme pressure and temperature variations.
| Body Materials | WCB, Stainless Steel | Pressure Rating | Class 150/300/600/900, PN10/16/25/40/63, 5K/10K/16K |
|---|---|---|---|
| Standard Compliance | ANSI CLASS 125/150, DIN 3202 PN10/16, JIS 5K, 10K | Face to Face | MSS-SP-85, DIN 3202 F1 |
| Connection Type | Flanged End | Design Feature | Three-piece modular construction |
| Sealing Mechanism | Precision-machined ball with resilient seats | Operation | Low torque handle design |
| Maintenance | Online inspection and repair capability | Warranty Period | Generally one year |
The four-bolt fastening system provides a tighter seal and significantly higher pressure tolerance compared to two-piece alternatives.
The modular design allows for cleaning and seat replacement without dismantling the pipeline, ensuring continuous productivity.
Specialized stem engineering allows operators to open and close the valve effortlessly with minimal physical exertion.
Eliminates mutual friction between sealing surfaces, solving common leakage problems found in traditional valve designs.
Top-loading structure enables direct inspection and repair while installed, significantly reducing device shutdown costs.
Available in high-grade stainless steel to resist aggressive acids, solvents, and high-viscosity fluids in chemical plants.
Optimize your spare parts inventory with our standard ANSI/DIN sized components for rapid replacement.
Schedule predictable service intervals thanks to the easy-access three-piece modular architecture.
Every valve undergoes rigorous pressure testing to meet international safety and performance standards.
Engineered with anti-blowout stems and fire-safe options for high-risk chemical environments.
Reliable procurement of carbon and stainless steel valves to ensure your project timelines are met.
Expert guidance on specifying the correct material and connection scheme for your specific fluid parameters.
| Feature | 3 Piece Flanged Valve | 2 Piece Flanged Valve |
|---|---|---|
| Maintenance Effort | Low (Modular access) | High (Full line disconnect) |
| System Downtime | Minimal/Rapid | Significant/Extended |
| Pressure Seal | Superior (4-bolt fix) | Standard |
| Life-Cycle Cost | Reduced (Long-term) | Higher (Maintenance labor) |
| Service Flexibility | Online Repairable | Offline Only |
The primary benefit is maintenance efficiency. The three-piece design allows the center body to be removed for cleaning or seat replacement without removing the valve from the pipeline, significantly reducing downtime.
Stainless steel is highly recommended for chemical systems due to its exceptional corrosion resistance against acids, solvents, and other aggressive media.
Yes, our valves are engineered to meet global standards including ANSI CLASS 125/150, DIN 3202 PN10/16, and JIS 5K/10K.
The special stem structure reduces the force required to actuate the valve, making it easier to operate manually and reducing wear on the valve components over time.
Yes, the top-loading and modular structure allows for on-site inspection and internal repair without needing to dismantle the surrounding piping system.
Generally, the warranty period for our 3 Piece Flanged Ball Valves is one year, ensuring quality and reliability for your operations.
Related Products
Call us on:
+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China 
