XGY-8125500406
XGY-8125500406
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Our products are not OEM, they are only compatible parts.
Teflon corrugated tubing, part number 8125500406, is suitable for use on Krones machines. It is typically installed in the following locations:
Inside the valve body of filling valves, in the opening/closing or lifting/lowering sealing areas;
Around valve stems, pistons, or flow control components, serving as dynamic seals and displacement compensators;
In areas within aseptic or cleaning environments where product contact or media isolation is required.

Structural Features: As shown in the image, the white PTFE body features disc-shaped positioning flanges or sealing seats at one end or on both sides. The central section consists of annular corrugations, which provide axial expansion and bending compensation; the opposite end or inner bore is designed to mate with a valve stem, guide core, or connector.
Applications
Used inside Krones filling machines and aseptic filling valves; also found in sanitary valve lines for beer, beverages, fruit juices, dairy products, and other applications as elastic sealing and compensation elements.
It is typically installed:
In the opening/closing or lifting sealing areas inside the filling valve body;
around the valve stem, piston, or flow control components, serving as dynamic seals and displacement compensators;
in areas within aseptic or cleaning environments where product contact or media isolation is required.
Functions
1. Dynamic Sealing/Isolation: Maintains a sealed barrier between the product side and the external environment/drive side during valve operation (opening, closing, lifting, and micro-reciprocation), preventing product leakage and external contamination.
2. Axial Compensation and Flexible Expansion: The bellows structure absorbs the travel of the valve plug/stem and accommodates thermal expansion and contraction, reducing mechanical stress.
3. Dead-Spot Prevention and Friction Reduction: PTFE is low-friction and non-stick; when paired with moving parts, it is resistant to jamming and does not easily accumulate residues such as sugar syrup, fruit juice, or beer foam.
CIP/SIP and Chemical Cleaning Resistance: Withstands alkaline and acidic cleaning agents, disinfectants, and hot water/steam sterilization environments.
4. Sanitary Barrier: Food-grade material properties ensure the surface is non-adsorbent and easy to rinse, making it suitable for beverage, dairy, and aseptic production lines.
Krones is a registered trademark. Our Teflon corrugated tubing is a compatible replacement part and not manufactured or endorsed by Krones.