Options Volute type, mixed flow, line shaft pump Low vibration performance Media or external lubrication option Easy maintenance Space coupling allows seals/bearing servicing without pump removal, replaceable wear plate
Dry well or wet well Vertical suspended cantilever no shaft support below cover plate. Can run dry indefinitely Open vortex impeller
Double casing volute, radial flow enclosed impeller design Vertical Can (Barrel) – type ring-section pump. Suction & stage Impellers are radial flow type design Pumps with axial thrust balancing arrangement Pumps are with anti-friction type axial thrust bearings with oil sump lubrication / grease lubrication Pumps are with segmental pad type thrust and plain radial lubrication bearings with oil sump
Axially split, double / single volute & suction Horizontally split volute type Enclosed type, Single stage impeller 50HZ / 60 HZ availability The pumps are offered with CE marking Depending on the application, area classification ATEX certification possible
Between Bearing BB2, Radially Split, two stage pump (API610) Two stage Between bearing pump Casing is center line mounted and with case wear ring Enclosed impellers with wear rings. Impeller nut positively secured with set screw. Shaft supported on anti-friction bearings Oil level monitoring of the pump by constant level oiler.
Between Bearing BB3, axially split, multi stage Casing horizontally split with a sheet gasket Axial thrust balance with the help of impellers in opposed position and balance piston arrangement Shaft supported in hydrodynamic sleeve bearings Casing with pump feet very close to pump center-line Pump with taper shaft under coupling for easy removal of coupling Entire rotor with all internals can be removed without disconnecting suction and discharge piping
BB4, radially split, single casing multi stage Easy inspection and repair maintenance of bearings and mechanical seal after removal of coupling spacer only Multistage pump with ring section diffuser casing design with center-line support to meet high temperature and high pressure applications especially in BFW applications Steep Q-H curve for good controllability Specially designed to meet high performance for superior and extended low cost operation
BB5, radially split, double casing multi stage Multistage, double casing between bearing pump with 1st stage single suction (KBDS) / double suction (KBDD) impeller Enclosed impellers with wear rings First stage impeller designed to achieve minimum NPSH(R). Option of first stage double suction impeller is also available to still have better NPSH(R). Casing radially split with metal to metal joint having confined controlled compression spiral wound metallic gasket grafoil filled