Unlike sanitary flanged ball valves, the three-piece flanged ball valve adopts asplit-body design(consisting of the valve body and left/right valve covers), connected by high-strength bolts. It is specifically designed for harsh industrial conditions, featuring:
1. Modular Maintenance: The valve cover can be disassembled without removing the pipeline, allowing direct replacement of the valve seat, ball, or seals, reducing maintenance costs.
2. Heavy-Duty Design: The valve body thickness is increased by 20%, and the flange is reinforced (complying with GB/ANSI/DIN standards), with a pressure rating ofPN16-PN40.
3. Non-Sanitary Applications: Suitable for petrochemical, power and energy, papermaking, and other industrial fields, handling particulate, high-viscosity, or corrosive fluids.
DN200 PN16 Metal + soft seal composite Hydraulic actuator (high torque)
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Installation & Maintenance Tips
1. Pre-installation Check: Clear welding slag from the pipeline, ensure flange faces are parallel and aligned, avoid overtightening bolts to prevent valve body deformation.
2. Regular Maintenance: Inspect the valve stem packing gland every 6 months, replenish high-temperature grease (e.g., molybdenum disulfide).
3. Emergency Handling: For internal leakage, adjust the valve seat preload spring or replace the seal ring first, without needing to replace the entire valve.
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Differentiation Positioning: The three-piece flanged ball valve focuses onindustrial pressure resistance, wear resistance, and long lifespan, targeting harsh non-sanitary conditions, clearly distinguishing itself from sanitary valves’ “sterile, quick-disconnect, mirror-polished” attributes.
About us
At HongTai, we specialize in high-quality sanitary valves and stainless steel pipe fittings，serving key industries such as pharmaceuticals, food processing, and chemicals. Made from premium 304, 316, and 316L stainless steel, our products offer excellent corrosion resistance and are crafted using advanced manufacturing techniques like laser cutting and precision welding. Designed for hygiene and fluid integrity, HongTai’s valves are the ideal choice for industries requiring optimal cleanliness and long-lasting performance.
Why Choose Us
Quality Assurance: We maintain strict control over every production stage, from raw materials to finished products, ensuring compliance with ISO9001 and international certifications, including 3A, DIN, and ISO standards.
Industry Expertise: Decades of experience in providing solutions for critical industries like food, beverage, and pharmaceuticals.
Advanced Technology: Our state-of-the-art facilities, including regularly updated CNC lathes and precision tools, guarantee high surface accuracy and tight tolerances for every product.
100% Inspection: Every product undergoes rigorous testing, including size and valve leak detection, to ensure flawless quality before it leaves our facility.
Global Reach: Trusted by businesses around the world for our consistent quality and on-time delivery.
Choose HongTai for unmatched reliability, performance, and innovation in valve and pipe fitting solutions.
Contact us
For more information or to discuss your requirements, reach out to us via:
Email: ht@htcdf.com
whatsapp: (86)18875809195
You can also visit our Contact Us page for more ways to get in touch.
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