PTFE(Teflon) Parts
Custom PTFE and Nitrile Diaphragm Pump Components for Demanding Applications
Item Number : PL-06
Price varies based on specs and customizations
- Material
- Nitrile (NBR), PTFE (Teflon)
- Outer Diameter (mm)
- 40~110
- Compatible Pump Models
- QBY/QBK-25/40, QBY/QBK-50/65, QBY/QBK-80/100
Shipping:
Contact us to get shipping details Enjoy On-time Dispatch Guarantee.
Why Choose Us
Easy ordering process, quality products, and dedicated support for your business success.
Product Introduction
KINTEK offers a comprehensive range of high-performance replacement balls and seats for QBY/QBK series air-operated diaphragm pumps. Engineered from premium-grade Polytetrafluoroethylene (PTFE) and Nitrile rubber, these components are designed to deliver exceptional reliability, chemical compatibility, and efficiency in a wide array of industrial and high-purity environments. As shown in the images, we provide both the balls and their corresponding seats, ensuring a perfect fit and optimal pump performance.
Detail & Parts


Product Specifications
| Material | Item | Outer Diameter (mm) | Seat Platform Diameter (mm) | Compatible Pump Models |
|---|---|---|---|---|
| Nitrile (NBR) | Ball | 42 | N/A | QBY/QBK-25/40 |
| Ball | 62 | N/A | QBY/QBK-50/65 | |
| Ball | 70 | N/A | QBY/QBK-80/100 | |
| Ball Seat | 72 | 57 | QBY/QBK-25/40 | |
| Ball Seat | 98 | 84 | QBY/QBK-50/65 | |
| Ball Seat | 108 | 94 | QBY/QBK-80/100 | |
| PTFE (Teflon) | Ball | 40 | N/A | QBY/QBK-25/40 |
| Ball | 57 | N/A | QBY/QBK-50/65 | |
| Ball | 70 | N/A | QBY/QBK-80/100 | |
| Ball Seat | 68 | 57 | QBY/QBK-25/40 | |
| Ball Seat | 102 | 84 | QBY/QBK-50/65 | |
| Ball Seat | 110 | 94 | QBY/QBK-80/100 |
Your Partner in Precision and Performance
At KINTEK, we understand that pump reliability is critical to your operational success. Our value lies in providing precisely manufactured components that not only serve as direct replacements but often enhance the performance and longevity of your equipment. We specialize in custom manufacturing, allowing us to tailor solutions from prototyping to large-volume production. By partnering with us, you gain access to components that reduce downtime, improve efficiency, and are perfectly suited for your specific industry needs—from aerospace and electronics to critical chemical processing.
Ready to enhance the reliability and efficiency of your diaphragm pumps? Whether you require standard replacement parts for your QBY/QBK pumps or a custom-engineered component for a unique application, our team is here to help. To discuss your specific needs and receive a tailored solution, please contact our specialists through our inquiry form.
4.8 / 5
Incredible durability! These components have outlasted the originals by months. A game-changer for our chemical processing line.
4.9 / 5
The precision fit is remarkable. Zero downtime since installation. KINTEK's quality is simply unmatched in the market.
4.7 / 5
Exceptional value. The performance enhancement is noticeable immediately. A smart investment that pays for itself quickly.
4.8 / 5
Superb chemical resistance. Our pumps handle aggressive fluids with ease now. Reliability we can finally count on.
5.0 / 5
Flawless custom manufacturing. They perfectly understood our unique aerospace application requirements. Highly recommended!
4.7 / 5
Lightning-fast delivery! Received our custom order much sooner than expected. Fantastic service and a superior product.
4.9 / 5
A technological leap. The efficiency gain in our high-purity electronics production is significant. Brilliant engineering.
4.8 / 5
The perfect fit for our QBK pumps was a relief. Installation was effortless. Operational success is now guaranteed.
4.7 / 5
Premium materials, competitive price. The PTFE and Nitrile combo is incredibly robust. Exceptional value for money.
4.9 / 5
Outstanding partnership. From prototyping to final product, KINTEK's support was impeccable. A true reliability solution.
4.8 / 5
Transformed our pump performance. Reduced maintenance intervals dramatically. The longevity is absolutely impressive.
4.9 / 5
Top-tier components that enhance equipment life. The attention to detail in manufacturing is evident. A premium product.
4.7 / 5
Seamless integration into our existing systems. The reliability has boosted our entire production line's confidence.
5.0 / 5
Superior to OEM parts. The custom solution for our demanding environment works perfectly. A flawless performance upgrade.
4.8 / 5
Excellent chemical compatibility. Handles everything we throw at it. A robust and trustworthy component for critical applications.
Product Datasheet
Custom PTFE and Nitrile Diaphragm Pump Components for Demanding Applications
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