When we resolve the forces ( inlet and outlet) where do we resolve ? At the discharge nozzle flange face or at shaft? ( i have a turbine with end suction and top discharge). i have read somewhere on coade forum or newsletter that we resolve at exhaust falnge face. some sort of clarification from nema authorities is also there on this issue.
please help. copy reply to godbolesg@yahoo.co.in

regards,
sunil

Unfortunately, <font color="#0000ff">NEMA SM 23</font> is ambiguous about the point of resolution of the combined forces and moments. The resolution points have been interpreted to be the following two points:

1. The face of the flange at the exhaust nozzle connection.
2. The intersection point of the exhaust nozzle centerline and the equipment shaft centerline.

In order to resolve the forces and moments at the exhaust nozzle connection, enter the X distance from the exhaust nozzle to each connection.

In order to resolve the forces and moments at the intersection point of the exhaust nozzle and the shaft centerlines, enter the X distance from the intersection point to each connection.

I really can't advise you on which resolution point you should use, since this would be offering engineering advice on an ambiguity in the NEMA standard. However, I do have a written (fax) statement from the NEMA board sent to one of our customers (in 1997) that states:
We have been unable since this time to obtain any additional information on this particular topic from NEMA.

Whatever you decide to do, make sure the owner/operator/inspector all agree.