1. Okay, as per your recommendation we will go ahead with single mechanical seal,  Please note: The ultimate responsibility will be yours (Technoforce)

2. Technoforce should decide the Motor Power requirement, since the design is yours (Technoforce). If you need any details for calculating the power, please let us know, we are ready to provide you. 

3. Please tell us the Condenser Heat Transfer Area for both the Evaporators.

Awaiting your earlier reply. Thanks 