XGY-50385208
XGY-50385208
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Our products are not OEM, they are only compatible parts.

Product Features
Piston, Part Number: 50385208. This component is typically installed in KHS stretch blow molding machines or related pneumatic actuator assemblies.
Description
This piston is made of a polymer, such as polytetrafluoroethylene (PTFE, commonly known as Teflon) or a high-performance engineering plastic. These materials offer excellent self-lubricating properties, chemical resistance, and wear resistance.
Seal: The red ring-shaped component inside is typically a seal made of specialty rubber or polyurethane (PU).
Applications
Application Position
This component is typically installed in KHS stretch blow molding machines or related pneumatic actuator assemblies.
Specifically, it functions as the “Piston P2” assembly within a cylinder or valve spool, directly participating in the stretching and blow molding of preforms or the precise control of fluid flow.
Function
1. Power Transmission and Sealing: In pneumatic systems, the primary function of a piston is to perform reciprocating motion driven by compressed air, converting air pressure into mechanical thrust (for example, to stretch preforms in bottle blowing machines).
2. Leak Prevention: The internal red sealing ring (O-ring, Gleason ring, etc.) fits tightly against the inner wall of the cylinder barrel, ensuring that the air pressure chambers on both sides of the piston remain leak-free, thereby guaranteeing the sensitivity of equipment operation and pressure stability.
Features
1. Food-Grade and Corrosion Resistance: Complies with the beverage industry’s strict hygiene standards, withstands frequent CIP (Clean-in-Place) and SIP (Sterilize-in-Place) processes, and resists corrosion from acidic and alkaline cleaning agents.
2. Low Friction and Long Service Life: The combination of PTFE material and high-performance rubber seals effectively reduces frictional resistance during motion, minimizes wear, and extends the replacement cycle of wear parts.
3. Modular Design: A dedicated maintenance kit (VSP152196) is included, meaning that during equipment maintenance, there is no need to replace the entire cylinder; simply replacing this piston seal assembly restores equipment performance, thereby reducing maintenance costs.
Why Choose Us
Precision Manufacturing: Xinguangyuan uses advanced production technology to ensure each liner meets strict dimensional and quality standards.
10+ Years of Experience: Our expertise in the PET and beverage equipment industry ensures deep understanding of Sidel machine requirements.
Flexible Services: We offer OEM services and customization based on drawings or samples, catering to unique machine configurations.
Efficient Shipping: Global shipping via DHL/SF ensures fast delivery, reducing downtime for your production line.
Transparent Terms: Convenient T/T payment options and clear communication ensure a smooth purchasing experience.
*Replacement parts are not manufactured by the original equipment manufacturer. These SPARPAE RTS parts for brands such as KRONES®, SIDEL®, KHS®, SACMI®, AROL®, SIG®, SIPA®, and TECH-LONG® are alternatives to original equipment manufacturer parts; they are primarily manufactured in China and sold worldwide. All product names, trademarks, and brands mentioned are the property of their respective owners, used only for compatibility reference.