Máy bơm nước trục đứng đa tầng cánh Franklin VR Series

Franklin VR Series Vertical Multi-Stage Water Pumps



Franklin VR Series Vertical Multi-Stage Water Pumps Features

  • Máy bơm nước trục đứng đa tầng cánh Franklin VR SeriesWater Pumps VR Series all stainless steel hydraulics for superior durability, efficiency, and performance over a wide variety of applications.
  • Rugged motor mounting with oversized ball bearings ensure long operating life in the toughest jobs. Heavy-duty motor bearing not required.
  • Standard mechanical seal provides superior sealing between water end and motor; balanced version available (30-45-65-95 VR).
  • Removal of the mechanical seal without dismounting the motor (for motors ≥ 4 kW).
  • In-line suction and discharge with round flanges fit the widest range of applications and provide convenient, compact installation.
  • Rugged IEC mount electric motors produced to European and AU/NZ market standards.
  • Replaceable stainless steel wear ring in the neck of the impeller (30-45-65-95 VR).
  • Premium efficiency three-phase motors conforming to the higher efficiency standards for Europe, North America, and Australia. IE3 code Premium Efficiency.
  • Made in Italy.
  • Franklin VR Series Vertical Multi-Stage Water Pumps same as Franklin EV Series Vertical Multi-Stage Water Pumps

AVAILABLE UPON REQUEST*

  • N-type AISI 316 versions (30-45-65-95 VR); N-type AISI 316 SS available (15-20 VR)
  • Special materials for seals, gaskets, and elastomers
  • H-type AISI 304 versions (30-45-65-95 VR)
  • Oval flange (T), Victaulic (V) and Clamp (C) available (15-20 VR)
  • IE2 code High Efficiency (comparable to EFF1) available

* May require special order; consult Franklin for details.

APPLICATIONS

  • Pressure boosting
  • Boiler feed
  • Water supply and treatment
  • Reverse osmosis
  • Wash down units
  • Hot/cold water circulation for HVAC systems
  • Irrigation

PUMP SPECIFICATIONS

  • Standard AISI 304 SS hydraulics
  • Capacities up to 120 m3/h
  • Heads up to 30 Bar
  • Liquid temperature range of -15 °C to +120 °C
  • Standard round flanges on body type PN25 (30-45-65-95 VR); counter flanges and fastener kits available upon request
  • Materials suitable for handling drinking water (WRAS certified)
  • Hydraulic characteristics are according to ISO Standard 9906, grade 3
  • PPS (1-3-6-10 VR) PTFE (15-20-30-45-65-95 VR) WRAS certified replacement floating neck ring for cost effective maintenance and long-lasting performance
  • Tungsten carbide intermediate bearing to control and eliminate vibration and stabilize the rotor with a large number of stages
  • Diffuser bushing made of carbon for durability against dry running (30-45-65-95 VR)
  • Shaft bearing and journal sleeve made of tungsten carbide
  • Replaceable stainless steel wear ring in the neck of the impeller (30-45-65-95 VR)
  • Conforms to pump curve standards MEI ≥ 0.70, under Minimum Efficiency Index EU 547/2012

MOTOR SPECIFICATIONS

  • Squirrel cage, TEFC, induction motors
  • Clockwise rotation when looking at the pump from above
  • 71 frame aluminum alloy and the larger sizes are cast iron (3-phase)
  • Performance in compliance with MEPS AS/NZS1359.5-2004 to Table B2 where applicable (3-phase)
  • Ambient temperature of -20 °C to +40 °C
  • External thermal overload protection for motors up to 7.5 kW. 11 kW and above have thermistors fitted
  • IP55 protection
  • Class F Insulation; Class B temperature rise
  • Voltage: 230 V 50 Hz (1-phase); 230/400 V Up to 3 kW, 400/690 V from 4 kW and above (3-phase)
  • Conforming to the latest higher efficiency standards for Europe, North America, and Australia. IE3 code = Premium Efficiency (standard); IE2 code = High Efficiency (comparable to EFF1) available

NOTE: Specifications subject to change without prior notice.

Water Pumps - Chemical Dosing Pumps - Electrical Equipments Distribution

Water Pumps – Chemical Dosing Pumps – Electrical Equipments Distribution