Back Pullout Centrifugal Process Pumps by Varat Pump

Horizontal centrifugal radial split backpull-out design process pump consisting of 35 models with six group of bearing housing for minimum inventory of spares. Standard design is foot-mounted, however center-line mounting applicable in 16 models.

CASING
single stage, radial split, foot mounted, volute casing type with adequate thickness to withstand hydraulic pressure with low radial force. 16 models are available with pedestal jacket and center line mounting for cooling of casing and steam jacketing system for heating effect.

IMPELLER
semi-open & closed type, multiple vane impeller. impeller with back vane to adjust hydraulic thrust of liquid. performance are maintained with stable h-q rising curve, low nosh requirement and ensure smooth working in parallel operation.

STUFFING BOX
stuffing box available with gland packing system of asbestos, Teflon & carbon considering variable nature of the liquid. mechanical seal are also accomodable within stuffing box with alternative like balanced, single & seal e.t.c.. flushing & cooling arrangement as per API plan.

BEARING & LUBRICATION
over-sized shaft is supported by two numbers ball bearing at driving end and one number bearing at non-driving end to increase life more than 25000 working hours. bearing housing also available with cooling arrangement (fig.4). oil lubrication pumps are protected by oil seal & bearing cover. labyrinth sealing are provided in api pumps to prevent bearing oil leakage.

B.P.O. ADVANTAGE
for the facility of maintenance to dismantle the pump the spacer of the coupling should be removed first & then the bearing housing portion together with the impeller can be easily removed without disturbing the motor from the base frame & the volute casing fixed to the pipe line.