OR 2012 1.78xD2.90 BLACK 60SH (12311)

Astoria espresso machine part OR 2012 1.78xD2.90 BLACK 60SH (12311) is a high-quality, precision-engineered replacement O-ring designed specifically for maintaining the optimal performance of Astoria espresso machines. Crafted from durable black synthetic rubber with a 60 Shore hardness rating, this O-ring offers exceptional resistance to wear, heat, and pressure. Measuring 1.78 mm in cross-section and 2.90 mm in internal diameter, it fits seamlessly into the designated assembly points of compatible Astoria models, ensuring a secure and leak-free seal essential for high-pressure espresso extraction.

This part plays a critical role in preserving the machine’s integrity by preventing water and steam leaks that can degrade performance and cause downtime. Its robust construction ensures long-lasting durability even under the rigors of commercial café environments, where machines operate continuously to meet customer demand. The 60 Shore hardness strikes a perfect balance, providing enough flexibility for a tight fit while maintaining structural strength to withstand repeated thermal expansion and contraction cycles inherent to espresso brewing.

Ideal for professional baristas and maintenance technicians, the OR 2012 1.78xD2.90 BLACK 60SH (12311) O-ring is an essential component for routine servicing and preventive maintenance of Astoria espresso machines. Using genuine, specification-matched parts like this O-ring not only extends the lifespan of your equipment but also preserves the consistent quality of each espresso shot. Available exclusively through Kaldi.com, this replacement part ensures your espresso machine continues performing at peak efficiency—delivering the exceptional coffee experience customers expect.