Zeromatic 93 Unloader Valve – 250 Bar, 40 L/min – Part No: 2907The Zeromatic 93 Unloader Valve is a professional grade pressure regulating valve designed to automatically relieve pump pressure when the trigger is released. As a trapped pressure valve, it reduces pump pressure to zero while maintaining line pressure in the high pressure hose, ensuring safe and efficient system operation. Rated for up to 250 Bar (3600 PSI) and a maximum flow rate of 40 litres per minute, this unloader is ideal for heavy duty and