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Tuthill 4000 Series Process Pumps

4000 Series PROCESS PUMPS run quiet and provide reliable performance with minimal downtime and maintenance, a positive displacement internal gear construction, and accurate repeatable flow. Special materials of construction permit handling

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  • Description
  • Brand
  • Series 4100
  • Series 4300

The 4000 Series pumps have been certified to the requirements of the ATEX Directive 94/9/EC for use in Category II, Group 2 G
applications. 4100 & 4300 Series pumps are compact, highly efficient, cast iron, positive displacement rotary pumps with mechanical seals and have
been designed and manufactured to provide years of service under normal operating conditions.


Tuthill has been manufacturing industrial pumping solutions on the southside of Chicago since 1927 with a clear value-differentiation in the marketplace and focused growth in life-foundational markets. Ali Yaqoob Trading represents Tuthill's Process Pumps, Lubrication & Circulation Pumps, Vacuum Pump, Flow Meters, and Blowers divisions.

Series 4100 pumps have optional foot mounting, but can also be provided for close coupling and adapter mounting. They have an open-coring design which provides outstanding performance at higher speeds and pressures. The selection includes models with capacity range from 1/3 to 14 GPM. Rotor heads are hydraulically balanced for minimum end clearance assuring excellent priming and consistent capacity over a wide viscosity and pressure range. These pumps are capable of handling inlet pressures as high as 250 psi at standard 1750 rpm rotor speeds, with maximum discharge pressures to 300 psi

Pumps may also be provided with outboard ball bearing, tang shaft, relief valve and choice of Buna N, neoprene, Viton or EPR seal.

Series 4300 pumps are provided with mechanical face type seals. Ten models provide capacities from 6 to 84 GPM. Series 4300 pumps are supplied with Woodruff keyway shafts. Pumps may be provided with outboard ball bearing, relief valve and choice of Buna N, Neoprene, Viton or EPR seal. An optional mounting foot is also available

These pumps are capable of handling inlet pressures to 250 psi at standard 1750 rpm motor speeds. Maximum discharge pressure capability is 300 psi. Maximum differential pressure capability is 150 psi.

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