Standard silicon carbide/silicon carbide outer (lower) seals
Impeller: Cast iron, ASTM A48, Class 30, two vane semi-open, non-clog design with pump out vanes for mechanical seal protection. Dynamically balanced for smooth operation. silicon bronze impeller is an option.
Casing: Heavy duty gray cast iron, ASTM A48, Class 30. Volute type casing with 4″, 125#, flanged, horizontal discharge conforming to ANSI standards. Compatible with A10-40, A10- 60 cast iron or A10-40B, A10-60B cast iron and brass (non-sparking) guide rail assembly.
Dual Mechanical Seals: Silicon carbide vs. silicon carbide outer seal and ceramic vs. carbon inner seal, stainless steel metal parts, BUNA-N elastomers. Upper and lower tandem mounted shaft seals are positioned independently and are separated by an oil-filled chamber.
Components: Capable of running dry without damage to components.
4WS Submersible Sewage Pump
4″ Flanged Discharge, 3″ Solids Handling
Specifically designed for the following uses: Sewage systems, flood and pollution control, dewatering/effluent, farms, hospitals, trailer courts, motels.