Morrison Bros Fig. 331, 331S Union Check Valves (With and Without Screen) Item Number:331---0100 AV Airbox is simply dropped in

Airbox is simply dropped in place and ready to operate

The pressure drop across the flow switch will not increase but you could see a pressure drop across the connector itself

tank car unloading systems

Provides an accurate standard of comparison for verifying the

Morrison Bros Fig. 331, 331S Union Check Valves (With and Without Screen) Item Number:331---0100 AV Airbox is simply dropped inItem Series: Morrison Bros Fig. 331, 331S Union Check Valves (With and Without Screen) Product Ordering Information: Products Description & Features: Description: Union check valves install inside pipe unions where space is limited and a check valve is desired. (331) W O Screen. (331S) W Screen. Features and Details: Easy to install in new or existing unions. Materials of Construction: Body and spring: Brass Disc: FKM. Screen: 20 mesh brass Please