The Bendix PR-4 Series 1/4"-18 NPT Supply Port Air Brake Pressure Protection Valve is designed to allow air to be shared between two reservoirs above the closing set of the valve. It is available in a variety of factory pre-set pressure settings. It delays filling one or more reservoirs until the preset pressure in the primary or braking reservoir is reached. This valve has a fixed setting and is made using premium-quality materials for superior durability. It has a maximum operating temperature of 200 °F. This valve is ideal for use in air brake systems and is designed for long-lasting performance.
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Allows air to be shared between two reservoirs above the closing setting of the valve
Available in a variety of factory pre-set pressure settings
Used to delay the filling of one or more reservoirs until the preset pressure in the primary or braking reservoir is reached
PR-4 pressure protection valves have a fixed setting
Made using premium-quality materials for superior durability
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