Basement Return Pump

[Kayadad]

I am looking for a return pump for my basement sump. My DT is a 40 breader and my sump is 120 gallons. I have 12 feet of vertical run and about 4 feet of horizontal run with a few bends. I am looking at getting a Deepwater Aquatics BLDC10 using 1 1/2" hard pvc. I want to flow around 400 gph. Is my 1 1/2" return pipe going to be to large for this low of flow. I can go with 1", but want to keep options open.
Here is the advertised flow chart:

 

[outy]

I use a small iwaki m55

for my 215 and get just a hair more flow and its a few feet less rise then yours.

Should work perfect with 1"

400gph is not much flow