Pressure Modification
Adjust your machine to 6, 9, or 12 bar settings.
Espresso machines
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Ctuoptuo
Ctuoptuo Espresso machines
This catalog features specialized pressure modification components for optimizing espresso extraction. These silver spring kits allow for precise control over brewing bars
Editor’s pick
Worth noticing
Silver Finish
The components feature a clean silver aesthetic for internal installation.
Spring Combo Kits
Multiple spring weights are included in a single package.
About this lineup
Over Pressure Valve Tuning
These listings focus on OPV spring modifications for specific espresso machine brands. The kits provide the hardware necessary to change factory pressure levels.
- 9 Bar pressure spring
- 6 Bar pressure spring
- 12 Bar pressure spring
- OPV modification hardware
- Gaggia Classic compatibility
- Silver spring construction
Built this way
Pressure Customization
These springs allow users to move away from standard factory pressure. You can select 6, 9, or 12 bar options.
Machine Compatibility
These specific modification kits are intended for use with Gaggia Classic machines. They fit the existing OPV structure.
Technical Precision
The 9 bar spring is a common choice for traditional espresso extraction. The 6 bar option offers a different flow profile.
Kit Contents
The listings include a combo pack with three different springs. This allows for experimentation with different pressure levels.
Catalog
Current machine from Ctuoptuo
Silver OPV spring modification for espresso machines
Silver espresso machines
Notes
What people say
Installing the 9 bar spring completely changed how my espresso tastes.
The silver springs were easy to swap into my machine for better pressure control.
I appreciate having the 6 and 12 bar options to test different extraction styles.
Questions
Ctuoptuo Questions
What is included in the spring combo?
The combo includes 12 bar, 9 bar, and 6 bar springs. These are used for modifying the over pressure valve.
Which espresso machines work with these parts?
These modification kits are compatible with Gaggia Classic espresso machines. They are designed to fit the internal valve system.
What is the purpose of the 9 bar spring?
The 9 bar spring is used to set the extraction pressure to a traditional espresso standard. This replaces the higher factory pressure settings.
What color are these components?
The springs and modification parts are finished in silver. They are made of durable metal for long-term use inside the machine.