Armstrong offers a comprehensive range of based mounted pumps designed for a wide variety of applications. The Armstrong Series 4030 base mounted pump is one of the best base mounted pumps in today's HVAC industry. These base mounted pumps are single stage, end suction, radically-split centrifugal pumps units featuring a self-venting casing to prevent air binding. Armstrong 4030 base mounted pumps also include heavy duty bearings that are sealed and lubricated for life, a "back pull-out" bearing frame for easy removal, and a self-lubricating mechanical seal to prevent liquid seepage. Base mounted pumps are available in bronze fitted, all bronze and all iron construction.

Traditional Base Mounted Pump Features:
Back pull-out design
One piece base plate
Base supported radically-split casing
Flexible coupling with guard
Drain and gauge connections
Cast iron housing, bronze-fitted construction

Value-Added Base Mounted Pump Features:
ANSI style centerline discharge casing
ANSI flanged casing
Pre-lubricated and sealed ball bearings
Confined casing gasket
Mechanical seal with o-ring mounted silicone carbide seat
Stainless steel shaft sleeve
Dynamically balanced impellers
OSHA coupling guard
Base plate designed to ANSI/HI 1.3.5 rigidity standards for free standing base