صمام عدم رجوع Sanremo 1/8" M × 1/8" M

The 1/8" male threads on both ends screwed in perfectly with no wobble, and the one-way flow action is rock solid. My espresso machine’s pressure holds steady now without a whisper of backflow, even after a week of daily shots.

Finally fixed the annoying backflow drip on my machine. The brass body feels solid and the check mechanism clicks into place cleanly. Exactly what I needed to get my espresso flowing right again.

The 1/8" male threads on both ends made installation straightforward, and it's stopped all backflow issues I was having with my espresso machine. Feels solid and well-machined for the price.