The 1800 Series is a modern design based on Fairbanks Nijhuis’s over 130 years of experience with the design, sales and manufacturing of split case pumps. Look through this bulletin and see what real accomplishments can be made when an imaginative approach is taken to the customer’s problem of moving liquids within a piping system.
Capacities to 15000 GPM (3407 m3/hr) Heads to 663 Ft. (202 m) Temperatures to 275˚F (135˚C)
Bronze fitted pump construction
Bronze shaft sleeves
Dynamically balanced impellers
Bronze case wearing rings
Twin volute on 10" and larger pumps
Stainless steel impeller key
Re-greaseable ball bearings
Single row ball bearing (inboard)
Double row ball bearing (outboard)
Mechanical seals...single unbalanced (Model 1810 and 1840)
Graphite and TFE lubricated acrylic packing
Internal bypass between casing and stuffing box
125# ASA flanges
250 psi case working pressure
Carbon steel shaft
Stuffing box bushings
Lifting lugs
Hydrostatic test
Cast integral bearing arms
Water slingers and grease seals
External bypass between casing and stuffing box (Model 1810 and 1840)