Check Valves, Polypropylene
By Bel Art ProductsStops Reverse Flow of Liquid When Pressure is Interrupted
Useful when connecting a vacuum line to a filter flask. Polypropylene valve with neoprene valve disk. Recommended maximum pressure 20 psi (1034 Torr). 6 per bag, 12 bags per case.
| Item | Overall Length | Length Tapered End | Diameter Tapered End In | Diameter Tapered End Out |
| H197150000 | 2-3/8" | 3/4" | 1/8 to 1/4" | 1/8 to 1/4" |
| H197160000 | 2-3/8" | 3/4" | 1/4 to 3/8" | 1/4 to 3/8" |
| H197170000 | 3" | 1" | 3/8 to 1/2" | 3/8 to 1/2" |