The orifice fitting set on the foam proportioner to control the solution Ratio by means of the orifice and nozzle port.
Name: orifice nozzle:
1. Series no.: PVC 913A. Size ratio: 4" 3%. Port: 9.15mm. Nozzle port: 52mm.
2. Series no.: PVD 913A. Size ratio: 4" 6%. Port: 13.14mm. Nozzle port: 52mm.
3. Series no.: PVD 943A. Size ratio: 6" 3%. Port: 14.25mm. Nozzle port: 81mm.
4. Series no.: PVD 943A. Size ratio: 6" 6%. Port: 20.5mm. Nozzle port: 81mm.