65 8 9 Bar OPV Springs Set Modification For Gaggia Classic Espresso Machines Kitchen Accessories Household Coffee Tools Gadgets Features: *Pressure Regulation: The 3 Pcs 9 Bar OPV Springs Set provides an alternative to the factory-set over-pressure valve(OVP) of for Gaggia Classic espresso machines. By replacing the onetime spring, you can regulate the pressure for optimal espresso extraction. *Optimal Extraction: Maintaining an industry-standard 9 bar of pressure with these replacement springs ensures the best extraction results. The factory-set pressure of 15 bar in the for Gaggia Classic OVP might be too high for classic espresso portafilter baskets. *Wide Compatibility: Compatible with all newer models of for Gaggia Classic coffee machines, specifically the models and onwards. These self-assembly stainless springs enhance pressure control and are easy to install. *Easy Installation: Replacing the springs in the over-pressure valve is a straightforward process. With the provided step-by-step instructions, you can effortlessly replace the onetime spring with the desired weaker spring. *Replacement Pressure: Enjoy the convenience of adjusting the pressure according to your taste preferences and achieving your desired espresso extraction. Specifications: *Part Name:OPV Springs Set *Material:Stainless Steel *Size:9 Bar/ 8 Bar/ 6.5 Bar *Color:Silver *Quantity:3pcs Package Content: 3x Springs Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. _x000D_