1/4" Expansion Valve common-universal-parts/astoria-group-heads loosen and re-seat the valve

loosen and re-seat the valve slightly rather than forcing the knob

catering to those who value both taste and tidiness

Perfect for customers who want premium cold brew without the bite

With these specifications

Works with: any M10-threaded portafilter body

1/4" Expansion Valve common-universal-parts/astoria-group-heads loosen and re-seat the valve1 4" Expansion Valve Low Lead Brass Low lead content brass expansion valve rated 10 14 bar, with a 10 mm OD barb outlet and 1 4" BSP thread, a widely cross compatible replacement across several European commercial machine lines. SPECIFICATIONS 10 14 bar rating 10 mm OD barb outlet, 1 4" BSP thread Low lead brass construction COMPATIBILITY Fits (select models only, confirm your specific model): BFC Butterfly Carmen Eroica Iris Norma; Brasilia Belle