VP Internal Gear Pump

The VP Internal Gear Pump, is a heavy-duty positive displacement pump designed for reliable handling of low- to high-viscosity fluids across demanding industrial applications

Core Construction & Engineering Features
  • One-Piece Sturdy Design: The bracket, bearing housing cavity, and seal chamber are cast in a single piece to maintain precise rotor alignment, extending both seal and bearing lifespan.
  • Enlarged Threaded Bearing Housing: Simplifies seal replacement and thrust bearing removal. The threaded housing allows quick adjustment of end clearances to compensate for wear or handle high-temperature and high-viscosity fluids without sacrificing volumetric efficiency.
  • Axial Thrust Control: Equipped with double-row angular contact ball bearings or tapered roller bearings to absorb high axial forces during continuous operation.
  • Large Universal Seal Chamber: Designed to accommodate standard mechanical seals from major manufacturers without requiring casing modifications.
  • Built-in Safety Relief Valve: Features an integrated over-pressure protection valve directly on the pump casing.
  • Reversible Flow & Flexible Connections: Supports $90^\circ$ and $180^\circ$ port positions with ANSI, DIN, or NPT threaded connection options, enabling reversible flow direction for loading and unloading operations.

Specialized Configurations & Options
  • Jacketed & Non-Jacketed Casing: Non-jacketed options serve general chemical and industrial duty, while jacketed designs allow circulation of steam or thermal fluid to maintain process temperatures.
  • Plug-in Electric Heating Pump: Features heating elements directly embedded into the pump cover, gear, and bracket as an energy-saving alternative when hot oil or steam is unavailable, complete with automatic temperature control up to 250°C.
  • Magnetic Drive (Mag-Drive): Seal less magnetic drive options eliminate shaft seal leakage for hazardous, toxic, or volatile liquids.
  • API 676 Compliance: Meets API 676 design standards for heavy-duty process applications, supporting API 682 mechanical seals and standard flush plans (Plan 11, 13, 32, 52, 53, 54, etc.).
  • Versatile Seal Options: Includes high-temperature, graphite, or food-grade packing; single and double component mechanical seals; single and double cartridge seals; and high-performance three-lip cartridge seals.

Primary Applications & Handled Media
  • Petroleum & Energy: Fuel oil, asphalt, petroleum crude, and lubricants.
  • Chemicals & Polymers: Resins, polymers, chemical fibers, binders, glues, and various chemical fluids.
  • Paints & Coatings: Paints, inks, detergents, and industrial coatings.
  • Food & General Industry: Food-grade products, pulp, and viscous process liquids.

Additional information

Flow Rate

Up to 365 m3/Hr

Differential Pressure

Up to 17 bar

Temperature

-85°C to 430°C

Viscosity

0.1 mPas to 440,000 mPas (cst)

Material of Construction

Ductile Iron (DI), Cast Steel (CS), 304 Stainless Steel (304 SS), 316 Stainless Steel (316 SS), 316L Stainless Steel (316L SS), Alloy 20**, and other custom alloys

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