--- product_id: 533183805 title: "DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc)" brand: "duoduo" price: "€ 15.23" currency: EUR in_stock: true reviews_count: 4 category: "Duoduo" url: https://www.desertcart.hr/products/533183805-duoduo-coffee-bar-accessories-compatible-with-gaggia-classic-pro-mod store_origin: HR region: Croatia --- # Easy Self-Assembly Precision 9 Bar Pressure Durable Stainless Steel DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) **Brand:** duoduo **Price:** € 15.23 **Availability:** ✅ In Stock ## Summary > ☕ Elevate Your Espresso Game with Precision Pressure Control! ## Quick Answers - **What is this?** DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) by duoduo - **How much does it cost?** € 15.23 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/533183805-duoduo-coffee-bar-accessories-compatible-with-gaggia-classic-pro-mod) ## Best For - duoduo enthusiasts ## Why This Product - Trusted duoduo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Seamless Compatibility:** Specifically engineered for Gaggia Classic PRO models (2019+), ensuring a flawless fit and performance upgrade. - • **DIY Friendly Installation:** Effortless self-assembly design lets you upgrade your OPV spring in minutes—no barista degree required. - • **Premium Stainless Steel Build:** Corrosion-resistant and built to last, maintaining consistent pressure for countless espresso shots. - • **Barista-Level Pressure Control:** Optimizes espresso extraction with industry-standard 9 bar pressure for that perfect crema every time. - • **Unlock Your Machine’s True Potential:** Transform your espresso experience by dialing in the ideal pressure, avoiding over-extraction and bitterness. ## Overview The DUODUO OPV Spring Replacement kit offers a pair of durable stainless steel springs designed to regulate the over pressure valve to the ideal 9 bar extraction pressure. Compatible with Gaggia Classic PRO models from 2019 onward, this easy-to-install upgrade ensures professional-grade espresso quality by preventing over-extraction and enhancing flavor consistency. ## Description Product description Introducing the DUODUO OPV (Over Pressure Valve) modification kit compatible with newer Gaggia Classic Machines (2018 and newer). Designed to upgrade and enhance the performance of your espresso machine to the industry standard 9 Bar pressure. These high quality springs install in minutes. Simply remove the top cover and replace the existing 13 Bar spring with either the 9 Bar spring to enjoy an improved and more efficient espresso-making experience. Our Springs are designed to optimize the pressure, ensuring that each shot is perfectly extracted and full of rich, bold flavor. Whether you're a coffee connoisseur or just looking to get the most out of your espresso machine, this OPV modification kit is and easy to install must-have addition to your setup. Upgrade your machine today and experience the difference for yourself! Compatible with Models RI9380 Classic Pro 2018,2019,2020,2021 Please check your machine has the new black OPV valve with two silicone hoses going into the tank. Easy to install - Requires only a 10mm wrench, Screw Driver, and 10 minutes of your time. Allows you to maintain industry standard 9 Bar of pressure for optimal espresso extraction. 9 Bar spring will decrease channeling leading to a more consistent and better tasting extraction. Product Packaging Each package contains two 9Bar OPV springs, giving you peace of mind knowing that you have a spare on hand. Don't let a faulty spring ruin your coffee experience - be prepared! High-quality replacement Perfect extraction pressure Easy installation Wide compatibility Review: Easy - Easy installation. Review: Easy install - Great fit for Gaggia Classic Pro. Easy install too ## Features - Replacement for the original spring in Gaggia Classic 2015EU/ 2018/2019/2020/Pro OPV to 9 bar for industry standard espresso extraction pressure - Fortunately, it is relatively easy to replace the spring in the over pressure valve with a weaker one and thus regulate the pressure to the ideal 9 bar - This pressure is too high when using a classic espresso portafilter basket. Professional espresso machines have a pressure of 9 bar - We offer a self-assembly stainless spring that is compatible with all newer Gaggia Classic coffee machines (2019 models - so far) - Package contains: x2 9Bar OPV spring ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #919,485 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #1,547 in Espresso Machine Replacement Parts | | Customer Reviews | 5.0 out of 5 stars 9 Reviews | ## Images ![DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) - Image 1](https://m.media-amazon.com/images/I/618z+-KV6rL.jpg) ![DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) - Image 2](https://m.media-amazon.com/images/I/619gwph4VkL.jpg) ![DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) - Image 3](https://m.media-amazon.com/images/I/71aXXgOK-NL.jpg) ![DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) - Image 4](https://m.media-amazon.com/images/I/61MJyOdC8ML.jpg) ![DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) - Image 5](https://m.media-amazon.com/images/I/51NNlvuWAeL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy *by D***I on January 29, 2026* Easy installation. ### ⭐⭐⭐⭐⭐ Easy install *by D***S on May 7, 2025* Great fit for Gaggia Classic Pro. Easy install too ### ⭐⭐⭐⭐⭐ As Described *by M***E on March 21, 2024* You can’t really mess up a spring.. ## Frequently Bought Together - DUODUO coffee bar accessories Compatible with Gaggia Classic PRO Mod Parts OPV Mod 9 Bar OPV Spring(2 pc) - IMS Basket 58mm 18 gram Nanotech - Baristapro Precision Ridgeless Double Espresso Basket Filter fits most 58mm Portafilter. Make Superior Expresso Coffee Shots! Includes Gladwise Coffee Card - Normcore 58.5mm Puck Screen - Lower Shower Screen - Metal Coffee Reusable Filter for Espresso Portafilter Filter Basket 58mm - 1.7mm Thickness 150μm - 316 Stainless Steel --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/533183805-duoduo-coffee-bar-accessories-compatible-with-gaggia-classic-pro-mod](https://www.desertcart.hr/products/533183805-duoduo-coffee-bar-accessories-compatible-with-gaggia-classic-pro-mod) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-20*