Restrictor D 2.5 >Sub 4923294001 (4623294001)

Astoria Restrictor D 2.5 (Part Number SUB 4923294001 / 4623294001) is a precision-engineered component designed specifically for Astoria espresso machines, ensuring optimal water flow regulation during the brewing process. Crafted from high-quality, durable materials, this restrictor plays a crucial role in maintaining consistent pressure within the machine’s internal hydraulic system. With a diameter specification of 2.5mm, it accurately limits the volume of water passing through, which is essential for achieving the perfect espresso extraction every time.

One of the key features of the Restrictor D 2.5 is its ability to provide consistent and repeatable water flow rates. This consistency directly influences the flavor profile and crema quality of the espresso, making it indispensable for baristas who demand precision and reliability from their equipment. Additionally, its compatibility with various Astoria espresso machine models ensures easy installation and replacement, minimizing downtime in both commercial and high-end home environments. The restrictor’s robust design offers excellent resistance to wear and scale buildup, thereby extending the machine’s lifespan and reducing maintenance needs.

In practical terms, the Restrictor D 2.5 is essential for maintaining the delicate balance between water pressure and flow rate that defines great espresso. It is especially suitable for cafes and coffee shops where machine performance must be optimized for high-volume service without sacrificing quality. For service technicians and professional users, this restrictor is a straightforward replacement part that ensures the machine continues to operate within factory specifications. By regulating the hydraulic pressure, it helps avoid over-extraction or under-extraction, contributing to the consistent delivery of rich, balanced espresso shot after shot.