The sealing time for four segmets is approximately 7 seconds with one power unit BS CR4. You can use two power units of BS CR4 and decrease the sealing time to approximately 4 secibds. As an opation you can connect a single Bench unit to the Quadruple Bench unit. 

Techincal data

Weight: 3,9
Dimensions: 220 (L) x 330 (W) x 63 (H) mm
Length of cable: 1,5m.