Series & Model
Product Picture
Multistage split case pumps are used for high heads in a variety of commercial, industrial and municipal applications. The OSMH series multistage split case pumps operate at 3600 RPM and feature extra heavy duty casings, stuffing box cooling jackets, bearing housing cooling jackets, high efficiency opposed and enclosed impellers, oversized shafts, ring-oiled bearing lubrication and optional metallurgies.
Performance Charachteristics
 Performance Curves
Capacities to: 800 GPM (204 m^3/hr)

Heads to: 2,100 Feet (640 m)

Temperatures to: 500 F (260 C)

Speed ranges: 3600 RPM
Features & Benefits Markets
Fully removable rotor assemblies without disturbing piping or driver.
Standard packed stuffing box or optional American-Marsh Series 820 high temperature mechanical seal for both reliability and dependability.
Carbon/Si-Carbide/EPDM elastomers standard, with other faces and elastomers available.
Seal flush piping on first and second stage stuffing boxes.
Standard ring oiled lubrication for higher temperatures.
Available standard in Cast Iron/Bronze fitted or other alloy for application versatility.
Replaceable tongue and groove wearing components include casing wear rings and stage piece to maintain peak efficiency.
Enclosed impeller design, single suction, dynamic balancing and renewable wear rings reduce losses increasing performance and pump life.
Case and impeller wear rings standard on first and second stage impellers.
Stuffing box and bearing housing cooling jackets standard.
600 lb./600 lb. ANSI flange suction/discharge connections.
Opposed impeller design to balance hydraulic thrust loads.
Tongue and groove throat bushings standard.
Double row inboard and outboard bearings.
Building Trades
Chemical
Food & Beverage
General Industry
Marine
Mining & Aggregate
OEM
Power Generation
Additional Information
Petro-Chemical





Pharmaceutical
Pulp & Paper
Water & Wastewater
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