Product Description:
These premium replacement diaphragms are specifically engineered for use with QBY/K series pneumatic diaphragm pumps. Crafted from robust elastomers and advanced engineering plastics, they ensure durability and reliable performance.
Customers can choose from three distinct material options to suit various applications. The NBR (nitrile rubber) variant is perfect for general-purpose use involving oil and water. For handling aggressive chemicals, the F46 (modified PTFE/fluoropolymer) version offers enhanced chemical resistance. Meanwhile, the imported PTFE (polytetrafluoroethylene) diaphragms provide superior chemical resistance and meet high-purity standards for demanding environments.
These diaphragms are available in a wide range of outer diameters, spanning from 140 mm up to 450 mm. They come in standard configurations such as the 10-hole bolt pattern, as well as plain-edge versions, allowing compatibility with various pump models.
Each diaphragm is manufactured through precision molding techniques to guarantee an excellent seal, extended flex life, and consistent pumping efficiency even under challenging industrial conditions. They serve as an excellent replacement for worn or damaged diaphragms in slurry pumps, chemical transfer pumps, food processing pumps, and mining transfer applications.
Features:
Material Options
NBR (Nitrile): This material offers excellent resistance to oil, fuel, and water. It is suitable for operating temperatures ranging from -30°C up to +100°C, making it versatile for various industrial environments.
F46 (Fluoropolymer): Known for its outstanding chemical resistance, F46 performs well against acids, solvents, and strong oxidizers. It can reliably function within a temperature range of -20°C to +150°C.
Imported PTFE: Featuring a superior non-stick surface, this material is inert to almost all chemicals. Its properties make it ideal for applications in the food and pharmaceutical industries.
Dimensions and Mounting
The diameter range for these materials spans from 140 mm up to 450 mm, accommodating a variety of pump models. For installation, the bolt hole configurations include a standard 10-hole pattern for larger sizes or a plain-edge design without holes to suit clamp-style mounting.
Performance and Features
These components are engineered to offer high flexural fatigue resistance, ensuring they can endure millions of cycles without developing cracks. Precision molding techniques guarantee an accurate fit and reliable sealing against pump housings.
They are designed to be interchangeable and function as direct replacements for QBY/K10-15, K25-40, K50-65, and K80-100 series pumps, facilitating easy maintenance and upgrades.
Additional Benefits
Cost-effectiveness is a key advantage, as these materials help extend the pump service life and reduce downtime, ultimately saving operational costs.
Special applications can benefit from the availability of blue polyether (polyurethane) options, which offer enhanced abrasion resistance and are color-coded for easy identification.
Technical Parameters:
| Material |
NBR, F46, PTFE, Polyether |
| Maximum Operating Temperature |
100°C (NBR), 150°C (F46), 180°C (PTFE) |
| Outer Diameter |
140mm to 450mm |
| Bolt Hole Pattern |
Plain, 6-hole, 8-hole, 10-hole |
| Color |
Black (NBR), White (F46/PTFE) |
| Application |
Oil/Water Transfer, Chemical Processing, Slurry/Mining |
Applications:
Applications
Our products are ideal for the transfer and dosing of various chemicals, including acids, caustics, and solvents. This makes them suitable for a wide range of industrial processes requiring precise chemical handling.
They are also extensively used in the circulation of paints, inks, and coatings, ensuring consistent flow and quality during the manufacturing process.
In the mining and mineral processing industries, our solutions efficiently handle slurries and mud, supporting robust material transfer in challenging environments.
For the food and beverage sector, we provide pumps made with PTFE and FDA-compliant materials, guaranteeing safety and hygiene during processing.
Our devices are effective in wastewater and effluent treatment applications, aiding in environmental protection and regulatory compliance.
In the petroleum industry, they facilitate reliable transfer of fuels and other petroleum products, supporting smooth operational workflows.
The ceramic industry benefits from our pumps for ceramic and glaze applications, maintaining the quality and consistency of final products.
Pharmaceutical and bioprocess industries rely on our systems for gentle and precise fluid handling, meeting stringent quality standards.
Additionally, our pumps are well-suited for general industrial fluid transfer, including water, oils, and emulsions, making them versatile across multiple sectors.
Customization:
Introducing the DKE Pulse Valve Diaphragm, a high-quality product designed for efficient performance in various industrial applications. Available in models QBY.QBK, QBY3, and ARO, this diaphragm is manufactured in China and certified with CE standards, ensuring reliability and compliance.
Our Pulse Valve Diaphragm is made from premium materials including NBR, F46, PTFE, and Polyether, offering excellent durability and chemical resistance. The diaphragms come in colors black (NBR) and white (F46/PTFE) with outer diameters ranging from 140mm to 450mm to fit diverse needs.
We offer a product customization service that includes different bolt hole patterns such as plain, 6-hole, 8-hole, and 10-hole designs, allowing you to select the perfect fit for your pulse valve system. This makes it an ideal choice for applications in oil/water transfer, chemical processing, and slurry/mining operations.
To facilitate maintenance and prolong the lifespan of your equipment, we provide diaphragm repair kits and pulse valve diaphragm repair kits as part of our comprehensive maintenance kits. These kits are designed to simplify the replacement process and ensure your pulse valves operate smoothly.
The minimum order quantity is 1 piece, with pricing available through negotiation. Each unit is carefully packed in cartons to ensure safe delivery. We guarantee a fast delivery time of 1-7 work days after payment, with flexible payment terms including T/T, Western Union, and Paypal.
With a supply ability of 5000 pieces per month, DKE is your reliable partner for high-quality pulse valve diaphragms and maintenance kits tailored to your specific requirements.
Support and Services:
Our Pulse Valve Diaphragm product is supported by a dedicated technical support team committed to ensuring optimal performance and longevity of your equipment. We provide comprehensive installation guidance, troubleshooting assistance, and maintenance tips to help you achieve efficient operation.
Our services include detailed product documentation, application advice, and replacement part recommendations to minimize downtime. We also offer training sessions and technical resources to keep your team informed about best practices and innovations related to pulse valve diaphragms.
For any technical issues or service inquiries, our experts are ready to assist you in diagnosing problems and providing effective solutions tailored to your specific needs. We strive to deliver prompt and reliable support to enhance your operational efficiency.
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