BSTF SERIES
Self Priming Centrifugal Pump

Monarch's BSTF Series of self priming centrifugal pumps are designed to be either belt driven or direct driven through a flexible coupling. This versatile design allows the option of connecting to the motor or engine of your choice.

CASING - Large rugged cast iron casing provides fast priming and long life.
SUCTION & DISCHARGE - Sizes range from 1¼", 2" and 3" NPT.
IMPELLER - Semi-open, 4 vane, cast gray iron impeller with "Blind Hole" for shaft protection.
SEAL - Self lubricating mechanical seal, carbon ceramic faces. Viton and stainless steel for ag applications.
SHAFT - One piece, high strength stress proof steel for easy mounting to your choice of motor.
BEARINGS - Sealed double row bearings. The -83 and -125 models have two single row, deep groove, double seal ball bearings.