\large
$$
{{p_{in} } \over {\rho g}} + z_{in}  + \alpha _{in} {{V_{in}^2 } \over {2g}} + h_P  = {{p_{out} } \over {\rho g}} + z_{out}  + \alpha _{out} {{V_{out}^2 } \over {2g}} + h_T  + h_L 
$$