TCD – Centrifugal single stage pumps for thermal oil

The new Travaini centrifugal single stage pumps of the TCD series belong to the family of the TCH pumps, along with the TCT and TCA series.

The new Travaini centrifugal single stage pumps of the TCD series are specifically designed to handle thermal fluids up to 320˚C without special cooling systems. The heat from the pumped product is greatly blocked by special “heat barrier” chamber located between the pump casing and the impeller. The bearing frame has been especially designed with cooling fins to effectively dissipate the heat coming from the pump casing so that standard, simple and single mechanical seal can be safely used. The rotor is supported with oversized ball bearings of the C3 series that are lubricated with oil of medium viscosity. Pump casings and impellers are the same as for pump series TCH smaller two frames.

Materials of construction are Ductile iron or Stainless steel AISI 316. For the latter construction it is possible to have a special seal arrangement “SP”

Pump dimensions and characteristics are in accordance to ISO 2858/DIN 24256 standards and are the same as for the correspondent models from the TCH series.

TCD/SP VERSION

The TCD/SP pump series has been especially designed to handle vegetable oils. The design varies from the standard TCD series only in the mechanical seal area; an intermediate cover has been added beyond the mechanical seal. This intermediate cover should be connected to a reservoir containing oil compatible with the pumped fluid. This device avoids that, in case of mechanical seal breakdown, air can enter into the pump irreparably oxidating the pumped oil or that oil of bearings enter into pumping circuit or vice versa.

The new Travaini centrifugal single stage pumps of the TCH series are also the results of continuous research and development, of the extensive experience acquired over many years with the previous series MCU-CH applied in numerous installations and fields.

The new Travaini centrifugal single stage pump of the TCH series is an extremely improved product which guarantees:

  • Toughness
  • Efficiency
  • Reliability
  • Safety
  • Durability
  • Lower operating costs

The manufacturing program includes three bearing frame sizes of the “Back pull-out” type, the pump casing is of the spiral type with axial suction flange, the impeller is of the radial type with overhang mounting. All our production is guaranteed by certified quality system according to ISO 9001:2000 standards.

  • Technical specifications according to standards ISO 5199
  • Overall dimensions and performances are in accordance to standards ISO 2858/DIN 24256.

APPLICATIONS

Handling clean or slightly contaminated liquids, hot, superheated, acidic and caustic in chemical industry, petrochemical, pharmaceutical, food, pulp and paper, environmental, steel, textile, etc.

TECHNICAL SPECIFICATIONS

  • Impeller: Closed
  • Max flow m³/h: 350
  • Max pressure bar: 10
  • Pumped fluids: Thermal oil up to 320°C
  • Self-priming: No
  • Stages nr.: 1
  • Seal: Mechanical
  • ISO: 2858
  • Overall dimensions and performances are in accordance to standards ISO 2858/DIN 24256.
  • Materials of construction are numerous, from cast iron to hastelloys.
  • High hydraulic efficiencies and low NPSH requirements.
  • Shaft sealing by packed stuffing box, single or double mechanical seals (ISO 3069/UNI EN 12756) with every installation option per API requirements.
  • Pump casing and seal housing can be provided with heating or cooling chambers, as needed.
  • Units up to 30 kW size can be close coupled, with the addition of a support lantern, to motors with B5 flange. This monoblock design offers great alignment advantages, simplicity of assembly and guarantee of perfect alignment even after transportation.
  • From the TCH series have derived series TCT, TCA and TCD that are designed for very specific pumping applications; all these series utilise many common components.

Technical catalogue TCH TCT TCA TCD