The Prima Brake Components Pressure Protection Valve is designed to allow air to be shared between two reservoirs above the close setting of the valve. It is available in various factory pre-set pressure settings, allowing you to choose the best option for your application. This valve delays filling one or more reservoirs until the preset pressure in the primary or braking reservoir is reached. The PR-4 pressure protection valve has a fixed setting and uses premium-quality materials for superior durability and long-lasting performance. It has a maximum operating temperature of 200 °F, making it suitable for various applications.

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