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KF16 NW16 Flange Vacuum Bellows Stainless Steel Flexible Hose

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1.Our flanged vacuum metal hoses feature ISO-KF standard ends for secure clamping and vacuum sealing, combined with flexible metal bellows to accommodate thermal movements and misalignments. Constructed from premium corrosion-resistant materials, they ensure vacuum integrity while minimizing strain transfer.
2.Ideal for interconnecting vacuum pumps, chambers, mass spectrometers, and other equipment in laboratories, research facilities, and industrial vacuum systems. These versatile hoses provide a stable vacuum environment while mitigating vibrations, making them an essential component for reliable vacuum applications.
3.we focus on pipe accessories products, high quality and low price, welcome inquiry.
As a manufacturer specializing in vacuum metal hoses, we offer a comprehensive range of KF16, KF25, KF40, and KF50 flanged flexible bellows pipes. Our products are constructed from high-quality corrosion-resistant stainless steel to ensure durability and vacuum integrity.

These flanged bellows pipes feature ISO-standard KF flanged ends for secure clamping and vacuum sealing. The thin-walled metal bellows section provides flexibility to accommodate thermal movements and minor misalignments, minimizing strain transfer while maintaining a stable vacuum environment.

Our manufacturing capabilities allow us to produce large-volume orders and customized solutions. We can supply KF25 bellows pipes ranging from 100mm to 4000mm in length, as well as specialized designs with varying wall thicknesses or flange diameters to meet specific requirements.

Widely used in laboratories, research facilities, and industrial vacuum systems, our flanged bellows pipes are ideal for interconnecting vacuum pumps, chambers, mass spectrometers, and other critical equipment. Their versatility makes them a reliable choice for efficient vacuum applications.

If you have specific needs or inquiries regarding our flanged bellows pipe products, please feel free to contact us. Our team will be happy to provide further details and assist you in finding the suitable solution for your vacuum system.
ABOUT YDCT
ZheJiang YueDing company produce quality products and work to provide constant communication with our clients. Our dedication to excellence allows us to be a stable solution in the marketplace with a quick lead time. We primarily focus on exhaust pipes, including metal hoses and other pipes that are used within the automotive industry . We have designers, engineers, and others who are involved in the process of manufacturing parts. We explore the top materials to use as well as continuously add more technology and innovation to produce higher quality parts.

1.Classification: KF25 100mm-4000mm Flexible Pipe

2.Bellows are thin-walled metal Bellows,like a spring.

3.Vacuum bellows are vacuum negative pressure and can only be vented. Generally, it is recommended to buy T=0.15mm compressible flexible pipe if the pipe is less than 300mm.

4.Chuck Diameter:KF16=30  KF25=40  KF40=55  KF50=75;

We can offer these kinds of models(KF16、KF25、KF40、KF50), if you have spcecial requirements, you can contact us to order. 

5.These KF-25 Flexible Bellows hose (0.2mm thin wall) vacuum fittings follow ISO-KF standards and have a flange size of NW-25. They are unsheathed and butt welded. Commonly used to build foreline vacuum plumbing and process systems. They are often called quick flange fittings because they are quick to assemble. A circumferential clamp and centering ring form the vacuum seal between the connecting flanges.The standard sizes for quick flange fittings are KF-10, KF-16, KF-25, KF-40, and KF-50 with flange sizes NW-10, NW-16, NW-25, NW-40, and NW-50, respectively. They are made of corrosive resistant stainless steel. 


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YUEDING EXHAUST

As one of China's leading exhaust flexible components manufacturers, YDCT focuses on helping you get the right parts that fit your project, whether for automotive systems or industrial equipment. We produce a complete range of stainless steel flex pipes, metal bellows, expansion joints, and exhaust clamps, all designed for durability and easy installation. More importantly, we can customize each order to match your needs — from OEM logo marking and material options to color selection and drawing-based production with reasonable MOQ. You tell us what you need, and we’ll make sure every piece arrives ready to perform, with the quality and consistency you expect.

Global Shipping & Payment Flexibility​​​​​​​

We ship worldwide with EXW, FOB, or CIF terms, and support safe payment methods like T/T, PayPal, and L/C — flexible for different order sizes.

Factory-Direct Reliability​​​​​​​

We make most products in our own factory and work closely with reliable partners for others, so every shipment meets the same level of quality.

Wholesale Pricing for Bulk Orders​​​​​​​

We offer competitive factory prices for bulk orders and provide OEM solutions to match your brand and technical requirements.



ABOUT YDCT

Industry-leading supplier of exhaust flex pipe, metal bellows, and clamps, with 33 years of professional manufacturing experience. 
 

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CONTACT INFORMATION

Hengqiankou Industrial Zone, 
Yueqing, Wenzhou, Zhejiang 325600, China
+86-13757770601
mike@yuedingexhaust.com
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