Impeller: Cast iron, ASTM A48, Class 30, two vane semiopen, non-clog design with pump out vanes for mechanical seal protection. Computer balanced for smooth operation. Silicon bronze impeller is an option.
Casing: Heavy duty gray cast iron, ASTM A48, Class 30. Volute type casing with 3″, 125 #, flanged, horizontal discharge conforming to ANSI standards. Compatible with A10-30 cast iron or A10-30B cast iron and brass (nonsparking) slide rail assembly.
Seals: Tandem mechanical seal system in an oil filled seal chamber. Each seal operates independently to ensure fail safe performance. Standard seals are carbon rotary and ceramic stationary. Outer seals are designed for easy replacement. Optional seals are available.
Seal Sensor Probes: Pump has a standard dual probe moisture detection system located in an oil filled seal chamber. If pumpage should begin to leak past lower seal it indicates to pump control panel a fault has occurred.