The 3PC Ball Valve (Three-Piece Ball Valve) represents the pinnacle of modular flow control. Constructed with a robust three-piece bolted body assembly - comprising a left end cap, right end cap, and central body section - this design allows for secure axial fixation via long bolts. Its standout feature is the ability to perform online maintenance and seal replacement without dismantling the pipeline, significantly reducing downtime and operational costs.
Featuring a Full Bore Design, every 3PC ball valve ensures minimal fluid resistance, with the flow coefficient matching that of the same-length pipe section. The 90-degree rotation mechanism guarantees rapid shut-off, while the versatile construction handles water, steam, oil, gas, and corrosive media with equal efficiency. Whether you are specifying for a petrochemical refinery or a pharmaceutical cleanroom, this valve delivers reliable performance across the full pressure and temperature envelope.
Detailed Technical Specifications
|
Parameter |
Technical Specification |
|
Nominal Size |
DN10–DN100 (1/4"–4") |
|
Pressure Class |
PN1.0, PN1.6, PN2.5, PN4.0, PN6.4 (Class 150–2500) |
|
Body Material |
WCB, SS304, SS304L, SS316, SS316L, CF8, CF8M, CF3, CF3M, A105 |
|
Ball Material |
SS304, SS316, SS316L, 1.4401, 1.4404 |
|
Seat Material |
PTFE, RPTFE, PPL, PEEK, Viton, Metal Seated |
|
Stem Material |
SS316 / SS304 (ASTM A582) |
|
Stem Seal |
PTFE-based packing with spring relief mechanism |
|
Connection Type |
Threaded (BSP/NPT), Flanged (ANSI/DIN/GB), BW, SW |
|
Operating Temp |
-20°C to +180°C (PTFE); -40°C to +300°C (PPL); -196°C to +425°C (Metal) |
|
Fire-Safe Design |
API 607 / API 6FA / ISO 10497 |
|
Anti-Static |
ISO 15848 / API 607 Compliant |
|
Top Flange |
ISO 5211 (Ready for Pneumatic/Electric Actuators) |
|
Leakage Rate |
EN 12266-1: Level A (Zero Leakage) |
|
Design Standard |
API 608, ISO 17292, GB/T 12237, ASME B16.34 |
|
Face-to-Face |
ASME B16.10 / GB/T 12220 |
|
Flange Standard |
ASME B16.5 / DIN EN 1092 / GB/T 9119 |
|
Testing Standard |
API 598 / ISO 15848 / GB/T 13927 |
|
Drive Method |
Manual (Lever/Worm Gear), Pneumatic, Electric, Hydraulic |
|
Service Media |
Water, Steam, Oil, Gas, Acid, Alkali, Oxygen, Natural Gas |
|
Life Cycle |
50,000+ cycles (Standard); 100,000+ cycles (High-End) |
Key Product Highlights
1. Full Bore Design: Unrestricted flow path with resistance coefficients equal to the pipeline length.
2. Online Maintenance: Three-piece structure enables in-line repair and seal replacement without pipe disconnection.
3. Fire-Safe Design: Fully compliant with API 607 fire-safe standards for critical safety applications.
4. Anti-Static Device: Built-in grounding system compliant with ISO 5211 to prevent static buildup.
5. Low Torque Operation: Optimized stem and seat geometry for quick, effortless manual or automated switching.
6. Double Block & Bleed: Superior bidirectional sealing capability for isolation and cavity relief.
7. Modular Design: Interchangeable components allow for flexible configuration and easy part replacement.
8. Wide Application Range: Operates reliably from -196°C to +425°C and pressures from PN1.6 to PN6.4 MPa (Class 150–2500).
Target Industries
• Petrochemical & Refining
• Natural Gas Processing
• Water & Wastewater Treatment
• Power Generation
• Pharmaceutical & Biotech
• Food & Beverage
• HVAC Systems
• Marine & Offshore Engineering
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FAQ
Q1: What is your Minimum Order Quantity (MOQ)?
A: We support a low MOQ starting from just 1 pieces, making it highly suitable for new brands, small-batch testing, and trial orders.
Q2: Can you customize the valve body material and sealing material?
A: Absolutely. We offer full customization. Body materials include WCB, SS304, SS316, SS316L, and CF8M. Seating options range from PTFE, RPTFE, PPL, PEEK, Viton to Metal Seated. We provide technical recommendations based on your specific medium and working conditions.
Q3: What drive options are available?
A: We support Manual (Lever/Worm Gear), Pneumatic (Double Acting/Spring Return), Electric (220V/24V/110V), and Hydraulic actuation. The top flange is ISO 5211 standard, ensuring seamless integration with your existing automation systems.
Q4: Do you offer fire-safe and anti-static certified valves?
A: Yes. All our 3PC Ball Valves feature Fire-Safe Design (API 607/6FA) and Anti-Static Devices (ISO 15848). We can provide third-party test reports to verify compliance for your safety audits.
Q5: What is the delivery time and after-sales support?
A: Standard delivery time is 7-15 days depending on the order quantity. All products come with a 12-month warranty and comprehensive technical support.
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