Centrifugal Pump VARISCO STR Series

VARISCO STR Series is a Self-Priming Centrifugal Pump designed for field applications, with a focus on ease of maintenance. It is capable of handling liquids containing solids and allows for the removal of blockages without the need to dismantle the piping or remove the pump from the system. This design helps reduce maintenance time and complexity.

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VARISCO STR Series – High-Quality Industrial Centrifugal Pump

Key Features:

  • Convenient Front Access for Cleaning: The removable front cover allows for easy cleaning and maintenance without the need to dismantle the piping system or remove the pump.
  • Semi-open Impeller: Designed to handle solids ranging from 38–76 mm, equipped with a specially cast two-blade impeller.
  • Easy Removal of Rotating Unit: When installed with a spacer coupling, the rotating unit can be removed from the back without removing the motor.
  • High-Quality Mechanical Seal: Utilizes Tungsten Carbide material with Viton® seals for excellent dry running performance.
  • Independent Oil Chamber: Seals and bearings are separated in a dedicated oil chamber, extending the pump’s service life, with an oil level sight glass.
  • Wear Plates on Both Sides: Rubber wear plates protect the impeller from wear and can be adjusted externally to maintain performance.
  • Built-in Relief Valve: Protects against damage from improper use.
  • Water Filling and Drain Ports: Features a top cover for water filling and a bottom plug for draining or cleaning the pump.

 

Applications:

  • General Industry: Such as paint spraying, animal feed, plastic recycling, automotive, steel, leather tanning, paper, oil refining, and flood prevention.
  • Wastewater Treatment Systems: Ideal for industrial plants, sewage pits, and pumping stations.
  • Agriculture: Used in irrigation systems, wastewater holding ponds, livestock farms, and aquaculture systems.
  • Chemical and Petrochemical Industries
  • Food Industry: Such as wine production plants, food processing factories, and canned food production.
  • Marine and Drilling Platforms: For bilge pumping, fire systems, and cleaning applications.
  • OEM and Specialized Applications: Such as wheel wash systems, water tanks, water trucks, and vehicle conversion systems.

 

SPECIFICATIONS

ST Series Ports std Power Performance std Power Performance ATEX
Pump Type ISO 228 (BSP) DN Kw-50hz RPM max Q m3/h max H m Kw-60Hz RPM max Q m3/h max H m Areas 1 – 2
ST-R2 2″ 50 7.5 2900 50 36 N/A N/A N/A N/A N/A
ST-R2 2″ 50 1.5 1450 34 9 2.2 1750 39 16 N/A
ST-R3 3″ 80 5.5 1450 100 17 11 1750 110 25 N/A
ST-R4 4″ 100 11 1450 170 20 18.5 1750 180 29 N/A
ST-R6 / 150 30 1450 340 30 N/A N/A N/A N/A N/A
ST-R6 / 150 7.5 960 260 14 15 1150 310 19 N/A
ST-R8 / 200 18.5 960 420 19 37 1150 520 26 N/A