Morrison Bros Fig. 748A Pressure Vacuum Vent (2" & 3") Aluminum Journal Oil Nozzles Model DA4 is a pressure

Model DA4 is a pressure reducing regulator used to control downstream (outlet or P2) pressure

Shielded connection cable: shield not connected

• Soft seat • Thermal expansion available (25 or 50 PSI approximate) • 1/2 to 2 PSI spring setting

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507399-011 Viton Diaphragm

Morrison Bros Fig. 748A Pressure Vacuum Vent (2" & 3") Aluminum Journal Oil Nozzles Model DA4 is a pressureItem Series: Morrison Bros Fig. 748A Pressure Vacuum Vent (2" & 3") Aluminum Downloadable Resources: FIG 748A SPECIFICATION SHEET FIG 748 INSTALLATION INSTRUCTIONS Product Ordering Information: Products Description & Features: Description: Pressure vacuum vent designed for installation on top of the vent pipe of an aboveground or underground storage tank. Poppets seal vapors in the tank when pressure is equalized. The vent allows the tank to breathe