VMB means Valves Manifold Box. The purpose of these tools is to split one incoming chemical line into several to serve multiple processing equipments.
The standard VMB is composed by:
- Safety Manual valve at inlet;
- Safety PNE valve at inlet;
- Several PNE valves according to POUs numbers (typically 6-8);
- Door with interlock;
- Containment tank with leak sensor.
PLC controls entire function of the VMB. From the touch screen, users can check the status of the system, change settings and do maintenance operations.