XGY-8900044380
XGY-8900044380
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Metal Bellows, Part Number: 8900044380. Metal bellows assembly for Krones filling/aseptic process valves, seat valves/diaphragm valve actuators, pipeline compensation, or process equipment. According to Krones technical documentation, metal bellows are commonly used in aseptic/sanitary valves as an airtight/aseptic isolation element between the valve stem and the medium, and may provide leak monitoring and drain connections.
Our products are not OEM, they are only compatible parts.

Stainless steel corrugated elastic elements utilize a corrugated structure to provide axial expansion and contraction, angular/lateral micro-compensation, and fatigue resilience.
The connection structures at both ends are designed for mounting to valve stems, piping, sensors/actuators, or process interfaces; one end features an internal thread or ring-type connection, while the other end is a circular seat or welded end.
Used in beverage, aseptic, and cleaning environments in applications requiring sealing, motion compensation, vibration isolation, and media isolation.
Applications
1. Krones filling/aseptic process valves, seat valve/diaphragm valve actuators, pipeline compensation, or metal bellows sealing assemblies in process equipment. According to Krones technical documentation, metal bellows are commonly used in aseptic/sanitary valves as airtight/aseptic isolation elements between the valve stem and the medium, and may provide leak monitoring and drain ports.
2. They may also be used at pipeline or actuator connections subject to movement, thermal expansion and contraction, or vibration, serving as flexible compensation and sealing elements.
Functions
1. Sealing and Isolation: Creates a metal sealing barrier between moving parts and the process medium to prevent medium leakage or contamination from external sources or the upper chamber (particularly critical in sterile/hygienic applications).
2. Displacement/Vibration Compensation: Absorbs displacement caused by axial expansion and contraction, installation errors, thermal expansion and contraction, equipment vibration, or stem movement, thereby reducing stress on connecting flanges, valve stems, and piping.
3. Elastic Recovery and Fatigue Resistance: The bellows structure provides elastic travel, maintaining sealing performance and service life during repeated cycling (design often incorporates support and vibration damping to extend service life).
Xinguangyuan Precision Machinery Co., Ltd. boasts over ten years of experience in the PET industry, with rich R&D and manufacturing expertise in beverage machinery parts. Our team of engineers continuously optimizes production processes to deliver parts that meet the highest quality standards.
We offer customization services based on drawings or samples, catering to unique customer requirements. Our professional customer service team provides timely support, from pre-purchase consultation to after-sales technical assistance, ensuring a smooth purchasing experience.
All our spare parts adhere to strict quality control protocols, guaranteeing reliability and durability. We leverage efficient production processes to offer competitive prices, achieving mutual benefits and win-win cooperation with our customers.
Krones is a registered trademark. Our Metal Bellows XGY-8900044380 is a compatible replacement part and not manufactured or endorsed by Krones. All product names, trademarks, and brands mentioned are the property of their respective owners, used only for compatibility reference.