Morrison Bros Fig. 137 Angle Check Valves Vented Ball Valves The 918 alarm box can

The 918 alarm box can be paired with a variety of Morrison

Size:  6"

Natural Rubber

Morrison Bros Figs

Set screws

Morrison Bros Fig. 137 Angle Check Valves Vented Ball Valves The 918 alarm box canItem Series: Morrison Bros Fig. 137 Angle Check Valves Downloadable Resources: FIG 137 SPECIFICATION SHEET Product Ordering Information: Products Description & Features: Description: The 137 angle check valve is a single poppet, one way check valve used to prevent backflow in supply lines or used as a prime holding valve in suction system. Features and Details: Soft seat Thermal expansion available (25 or 50 PSI approximate). Materials of