Espresso brew pressure profiling: dual OPV on the Rocket Giotto
Valves - Espresso Machine Parts
repairing | reox's projects
Adjustable over pressure valve (OPV) Bezzera & ECMIII | Spare parts Bezzera | D.R. Trading B.V. Webshop
Overpressure valve (OPV) 1/8 f x 7mm 6-12 bar | Boiler parts | D.R. Trading B.V. Webshop
Lelit Elizabeth v3 OPV tweak. I'm not sure if this is typical, but by default, my machine hits around 10-11 bars on a shot. Since the OPV valve on the v3 is
Vibration Pump OPV kit
Crem Over Pressure Valve (OPV) - Whole Latte Love
Overpressure valve (OPV) 1/8 m x 7mm 6-12 bar | Boiler parts | D.R. Trading B.V. Webshop