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DIDTEK
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The full-bore PTFE valve seat sealed ball valve adopts a full-bore flow passage design combined with a PTFE (polytetrafluoroethylene) valve seat sealing system, achieving a perfect combination of zero resistance in the fluid passage and bubble-level sealing. This product offers outstanding sealing performance while maintaining the lowest pressure loss, making it an ideal choice for high-flow, zero-leakage applications in industries such as petroleum, chemical engineering, and water treatment.
| Parameter category | technical specification |
| Valve body material | WCB/CF8 / CF8M/A105 |
| Diameter range | DN15 - DN600 (½" - 24") |
| Pressure rating | Class 150-600 (PN16 - PN100) |
| Temperature range | -29℃ to +200℃ |
| Connection methods | flange/thread/butt welding |
| Valve seat material | pure PTFE/reinforced PTFE |
| Sealing material | PTFE + flexible graphite |
| Flow characteristics | full bore zero resistance |
| Leakage grade | ANSI B16.104 Class VI |
| Design standard | API 608 / ASME B16.34 |
Zero-resistance flow channel
The diameter of the flow channel is exactly the same as the inner diameter of the pipe
The pressure loss is negligible
Suitable for the pigging device to pass through
Application advantages
Reduce the energy consumption of pumping
Prevent medium deposition
Convenient for pipeline cleaning
Outstanding sealing performance
Achieve bubble-level sealing (zero leakage)
Low friction coefficient and small operating torque
Self-lubricating property and long service life
Chemical stability
Resistant to strong acid and strong alkali corrosion
Resistant to almost all organic solvents
Suitable for high-purity media
Anti-static device
Ensure that the static electricity is conductive between the ball and the valve body
Resistance value < 10 Ω
Fire safety
Complies with API 607 standard
A secondary metal seal is formed after the soft seal fails
Anti-blowout valve stem
Bottom T-shaped structure design
Ensure the safety of high-voltage operation
Low-torque design
The self-lubricating property of PTFE reduces the operating torque
Precision bearing support makes operation more convenient
Long-life design
The service life of the valve seat is ≥ 100,000 cycles
The designed service life is ≥ 20 years
1. Petrochemical industry
Crude oil transportation pipeline
Chemical raw material transportation
Refined oil pipeline
2. Water treatment system
Municipal water supply network
Sewage treatment system
Industrial circulating water
3. Food and pharmaceuticals
High-purity medium transportation
Sanitary piping system
Clean fluid control
4. Special applications
Pipeline systems that require pipe cleaning
High-traffic application scenarios
A working condition where medium residue is not allowed
The full-bore PTFE valve seat sealed ball valve, through the perfect combination of an optimized flow path design and outstanding sealing technology, provides users with
Optimal flow performance: The full bore design achieves zero pressure loss
Reliable sealing guarantee: PTFE valve seats ensure long-term zero leakage
Economic operating costs: Reduce pumping energy consumption and lower operating costs
Wide application adaptability: Full coverage from general industry to special working conditions
This product is an ideal choice for high-flow and zero-leakage applications. With its outstanding performance and reliable quality, it provides a perfect solution for industrial fluid control.
| Brand | DIDTEK |
| Structure | Ball |
| Valve Material | Didtek provide cast steel, stainless steel, special alloy, CI, DI etc |
| Valve Type | Didtek Produce Ball Valve |
| Valve Test | 100% quantity tested before delivery |
| Valve Guarantee | 18 months after shipments and 12 months after installed |
| Valve Structure | Ball Valve |
| Valve Delivery | 15 - 30 days |
| Valve Sample | Sample Available by Didtek Valve |
| Valve Color | Customer request |
| Valve Packing | Plywood Case for Ball Valve |
| MOQ | 1 Set |
| Valve Certificate | API6D/CE/ISO9001/ISO14001 |
| Place of Origin | Zhejiang, China (Mainland) |
| Delivery Detail: | Shipped in 15-30 days after payment |
| Port | Shanghai Or Ningbo |
| Payment Terms | L/C,D/A,D/P,T/T, Western Union |
