2.2 FLOW CONTROL SELECTION
Josam Company has shipped the proper flow control fitting to suit the GRD that you have
ordered. Ensure that the proper flow control fitting is included with your shipment.
Changing the flow control fitting is not recommended and will affect the performance and
warranty of the GRD.
Flow Control
Rating (GPM)
Orifice
Diameter
25 1-1/4”
35 1-1/2”
50 1-3/4”
75 2-1/8”
100 2-7/16”
150 3”
200 3-7/16”
250 3-3/4”
500 5-1/8”
GI-2000 Manual V2.3
Page
5