Mounts before vacuum pump on intake to keep vacuum pump from going backwards at shutdown.
- Fits 4 inch pipe
- NPT or comes with ABS Inserts to use with Fernco Rubber couplings (recommended to reduce vibration)
- Brass body
- Nylon insert
- Rubber seal
One way valve. must be installed vertically in correct orientation
Works with Sutorbilt, Gardner Denver, Kaizer, Kaiser, RBS vacuum systems
ARV 400 - VCBL1-400
Made in Italy
