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Variable-frequency in-line single-stage pump

TDE (variable-frequency in-line)

Vertical single-stage intelligent variable-frequency pumps, TDE

TD in-line single-stage pump with a built-in variable-frequency controller. Holds constant pressure, temperature, or pressure or temperature difference by connecting sensors, and coordinates up to six pumps. Used for heating, HVAC, cooling, domestic hot water, water supply and industrial liquid transport.

  • Six sizes, DN32 to DN100, 47 models, 1.5 to 15 kW
  • Controller output 30–50 Hz, IP55, LCD display
  • Five control modes and multi-pump coordination (main plus up to five auxiliary pumps)
  • Liquid from -15 to +110 °C, working pressure 12 bar (16 bar special)
  • Pull-out top design: service without disturbing the pipe work
View 47 models Find a pump
TDE (variable-frequency in-line)CNP-S-000088
Flow
2–130 m³/h
Head
up to 82 m
Power
1.5–15 kW
Mains
50 Hz
Models
47
Liquid temp.
-15 to +110 °C liquid; ambient up to 40 °C

Sizes

SizeDescriptionRated flowFlow rangeMax pressureMotorConnectionModels
TDE32 Vertical single-stage intelligent variable-frequency pump, DN32 12.5 m³/h 2–16 m³/h 12 bar 1.5–5.5 kW Flange DN32 (PN16) 5
TDE40 Vertical single-stage intelligent variable-frequency pump, DN40 22.5 m³/h 4–32 m³/h 12 bar 1.5–7.5 kW Flange DN40 (PN16) 6
TDE50 Vertical single-stage intelligent variable-frequency pump, DN50 25 m³/h 2.5–60 m³/h 12 bar 1.5–15 kW Flange DN50 (PN16) 13
TDE65 Vertical single-stage intelligent variable-frequency pump, DN65 40 m³/h 5–60 m³/h 12 bar 2.2–15 kW Flange DN65 (PN16) 9
TDE80 Vertical single-stage intelligent variable-frequency pump, DN80 50 m³/h 10–100 m³/h 12 bar 3–15 kW Flange DN80 (PN16) 8
TDE100 Vertical single-stage intelligent variable-frequency pump, DN100 80 m³/h 10–130 m³/h 12 bar 2.2–15 kW Flange DN100 (PN16) 6

Models

Filter by duty point, mains frequency or size. Click a model for its performance curve and data.

Model table (PDF)
ModelSizeStagesHzMotor kWFlow m³/hHead mrpmkg
TDE100-9/2 TDE100—50 2.2 10–70 4.4–13.9 290060 CurvePDF
TDE100-15/2 TDE100—50 4 10–80 11–18.6 290078 CurvePDF
TDE100-17G/2 TDE100—50 5.5 10–100 12.3–21.9 2900101 CurvePDF
TDE100-22G/2 TDE100—50 7.5 10–100 18.6–25.7 2900109 CurvePDF
TDE100-27/2 TDE100—50 11 10–130 20.8–31.5 2900195 CurvePDF
TDE100-33/2 TDE100—50 15 10–130 27.9–37.1 2900210 CurvePDF
TDE32-21G/2 TDE32—50 1.5 2–16 18–25.3 290042 CurvePDF
TDE32-26G/2 TDE32—50 2.2 2–16 23.2–28.7 290046 CurvePDF
TDE32-33G/2 TDE32—50 3 2–16 30.6–35.8 290056 CurvePDF
TDE32-40G/2 TDE32—50 4 2–16 37–41.3 290070 CurvePDF
TDE32-50G/2 TDE32—50 5.5 2–16 47.3–51 290089 CurvePDF
TDE40-21G/2 TDE40—50 1.5 4–16 17.1–23.8 290042 CurvePDF
TDE40-20G/2 TDE40—50 2.2 4–25 16.6–22.7 290047 CurvePDF
TDE40-26G/2 TDE40—50 3 4–25 21.9–29 290058 CurvePDF
TDE40-30G/2 TDE40—50 4 4–32 24.5–34.7 290067 CurvePDF
TDE40-36G/2 TDE40—50 5.5 4–32 30.5–40.9 290090 CurvePDF
TDE40-48G/2 TDE40—50 7.5 4–32 39.6–51.6 290099 CurvePDF
TDE50-32G/2 TDE50—50 3 2.5–20 23.3–35 290068 CurvePDF
TDE50-39G/2 TDE50—50 4 2.5–20 31.2–41.9 290075 CurvePDF
TDE50-49G/2 TDE50—50 5.5 2.5–20 41.5–51.6 290093 CurvePDF
TDE50-59G/2 TDE50—50 7.5 2.5–20 45.7–62.4 2900117 CurvePDF
TDE50-80G/2 TDE50—50 11 2.5–20 71.6–81.9 2900192 CurvePDF
TDE50-15G/2 TDE50—50 1.5 5–25 13.3–16.1 290046 CurvePDF
TDE50-18G/2 TDE50—50 2.2 5–30 16.4–20.2 290049 CurvePDF
TDE50-24G/2 TDE50—50 3 5–30 22.6–25.9 290059 CurvePDF
TDE50-28G/2 TDE50—50 4 5–35 26.4–29.5 290069 CurvePDF
TDE50-35G/2 TDE50—50 5.5 5–40 32.2–36.3 290086 CurvePDF
TDE50-40G/2 TDE50—50 7.5 5–45 36.4–42.5 2900103 CurvePDF
TDE50-50G/2 TDE50—50 11 5–50 48.4–53 2900181 CurvePDF
TDE50-60G/2 TDE50—50 15 5–60 53.2–65.8 2900204 CurvePDF
TDE65-37G/2 TDE65—50 5.5 5–35 32.1–39.6 290095 CurvePDF
TDE65-48G/2 TDE65—50 7.5 5–35 42.6–50.4 2900103 CurvePDF
TDE65-15G/2 TDE65—50 2.2 10–40 11.3–17.1 290052 CurvePDF
TDE65-20G/2 TDE65—50 3 10–40 17.4–21.8 290061 CurvePDF
TDE65-22G/2 TDE65—50 4 10–50 18.4–25.1 290069 CurvePDF
TDE65-30G/2 TDE65—50 5.5 10–50 27.3–31.5 290090 CurvePDF
TDE65-34G/2 TDE65—50 7.5 10–60 30.5–38.3 290099 CurvePDF
TDE65-41G/2 TDE65—50 11 10–60 36.1–44.8 2900181 CurvePDF
TDE65-51G/2 TDE65—50 15 10–60 48–53.7 2900196 CurvePDF
TDE80-41G/2 TDE80—50 11 10–60 38.4–42.3 2900184 CurvePDF
TDE80-48G/2 TDE80—50 15 10–70 42.8–49.4 2900199 CurvePDF
TDE80-13G/2 TDE80—50 3 10–60 8–18.9 290067 CurvePDF
TDE80-18G/2 TDE80—50 4 10–70 6–23.2 290075 CurvePDF
TDE80-23G/2 TDE80—50 5.5 10–80 7.1–28.2 290092 CurvePDF
TDE80-29G/2 TDE80—50 7.5 10–80 17.8–33 2900100 CurvePDF
TDE80-32G/2 TDE80—50 11 10–100 19.3–36.2 2900187 CurvePDF
TDE80-38G/2 TDE80—50 15 10–100 28.8–45.7 2900202 CurvePDF

Performance range

Every model of the TDE (variable-frequency in-line) range on one chart: each line is the performance curve of one model. Click a line or dot to open that model with its full data.

  • TDE100
  • TDE32
  • TDE40
  • TDE50
  • TDE65
  • TDE80
251020501005102050Flow (m³/h)Head (m)TDE100-9/2 · 50 HzTDE100-15/2 · 50 HzTDE100-17G/2 · 50 HzTDE100-22G/2 · 50 HzTDE100-27/2 · 50 HzTDE100-33/2 · 50 HzTDE32-21G/2 · 50 HzTDE32-26G/2 · 50 HzTDE32-33G/2 · 50 HzTDE32-40G/2 · 50 HzTDE32-50G/2 · 50 HzTDE40-21G/2 · 50 HzTDE40-20G/2 · 50 HzTDE40-26G/2 · 50 HzTDE40-30G/2 · 50 HzTDE40-36G/2 · 50 HzTDE40-48G/2 · 50 HzTDE50-32G/2 · 50 HzTDE50-39G/2 · 50 HzTDE50-49G/2 · 50 HzTDE50-59G/2 · 50 HzTDE50-80G/2 · 50 HzTDE50-15G/2 · 50 HzTDE50-18G/2 · 50 HzTDE50-24G/2 · 50 HzTDE50-28G/2 · 50 HzTDE50-35G/2 · 50 HzTDE50-40G/2 · 50 HzTDE50-50G/2 · 50 HzTDE50-60G/2 · 50 HzTDE65-37G/2 · 50 HzTDE65-48G/2 · 50 HzTDE65-15G/2 · 50 HzTDE65-20G/2 · 50 HzTDE65-22G/2 · 50 HzTDE65-30G/2 · 50 HzTDE65-34G/2 · 50 HzTDE65-41G/2 · 50 HzTDE65-51G/2 · 50 HzTDE80-41G/2 · 50 HzTDE80-48G/2 · 50 HzTDE80-13G/2 · 50 HzTDE80-18G/2 · 50 HzTDE80-23G/2 · 50 HzTDE80-29G/2 · 50 HzTDE80-32G/2 · 50 HzTDE80-38G/2 · 50 Hz

Logarithmic scales. Published catalogue data for clean water; the correct model for your duty is confirmed by our engineers.

Dimensions & weight

Net weight and the main dimensions of each model, in millimetres, from the catalogue. Open a model for the labelled dimension drawing.

ModelHzWeight (kg)D1D2B1B2B3B4B5
TDE100-9/25060140186172217134101160
TDE100-15/25078160208215245134101160
TDE100-17G/250101200208260263146118144
TDE100-22G/250109200208260263146118144
TDE100-27/250195350257330325147123144
TDE100-33/250210350257330325147123144
TDE32-21G/25042140186172217101101144
TDE32-26G/25046140186172217101101144
TDE32-33G/25056160186197227109109144
TDE32-40G/25070160208215245128128144
TDE32-50G/25089200208260263128128144
TDE40-21G/250421401861722179895120
TDE40-20G/2504714018617221710595144
TDE40-26G/25058160186197227116109144
TDE40-30G/25067160208215245116109144
TDE40-36G/25090200208260263133128144
TDE40-48G/25099200208260263133128144
TDE50-32G/25068160186197227128128144
TDE50-39G/25075160208215245128128144
TDE50-49G/25093200208260263128128144
TDE50-59G/250117200208260263163163144
TDE50-80G/250192350257330325163163144
TDE50-15G/25046140186172217114101144
TDE50-18G/25049140186172217114101144
TDE50-24G/25059160186197227114101144
TDE50-28G/25069160208215245118109144
TDE50-35G/25086200208260263118109144
TDE50-40G/250103200208260263142138144
TDE50-50G/250181350257330325142138144
TDE50-60G/250204350257330325171163144
TDE65-37G/25095200208260263128128144
TDE65-48G/250103200208260263128128144
TDE65-15G/25052140186172217116101144
TDE65-20G/25061160186197227116101144
TDE65-22G/25069160208215245116101144
TDE65-30G/25090200208260263131115144
TDE65-34G/25099200208260263131115144
TDE65-41G/250181350257330325148138144
TDE65-51G/250196350257330325148138144
TDE80-41G/250184350257330325137128144
TDE80-48G/250199350257330325137128144
TDE80-13G/25067160186197227134112144
TDE80-18G/25075160208215245134112144
TDE80-23G/25092200208260263134112144
TDE80-29G/250100200208260263134112144
TDE80-32G/250187350257330325159138144
TDE80-38G/250202350257330325159138144

Spare parts for TDE (variable-frequency in-line)

Parts list of the series with the material of each part. To order, send the model code and the part you need.

Parts list (PDF) Request spare parts quote
No.PartMaterialStandardApplies to
1Pump bodyCast ironHT200 All sizes
2ImpellerCast iron / stainless steelHT200 / ZG07Cr19Ni9 All sizes
3Pump headCast ironHT200 All sizes
4Mechanical sealCarbon / silicon carbide— All sizes

Technical data

Liquid temperature

  • -15 to +110 °C liquid; ambient up to 40 °C

Ambient conditions

  • Up to 40 °C and 1000 m altitude

Motor

  • 2-pole TEFC motor, IP55, insulation class F, with built-in variable-frequency controller (input 3 × 380 V 50 Hz, 1.5–15 kW, output 30–50 Hz, IP55, LCD display)

Supply voltage

  • 3 × 380 V, 50 Hz

Typical applications

  • District heating, HVAC and cooling systems
  • Domestic hot water and water supply
  • Industrial liquid transport, pressurising and circulation

Pumped liquid

  • Thin, non-corrosive, clean, non-flammable, non-explosive liquid without solids or fibres. Maximum working pressure 12 bar (normal) / 16 bar (special).

Data basis

  • 50 Hz, 2900 rpm, 20 °C air-free water, kinematic viscosity 1 mm²/s; curve tolerance ISO 9906:2012 Grade 3B

Performance values are taken from the published CNP catalogue data. Our engineers confirm the final selection for your liquid, temperature, supply and site before quoting.

Other booster & variable-speed systems

CHME (VFD)

Horizontal multistage stainless steel centrifugal pump

  • Flow 0.8–17 m³/h
  • Head up to 63 m
  • 0.37–2.2 kW
View series

Need a pump or a spare part?

Send us the flow and head you need, or the model code and nameplate details of the pump you are repairing. Our team replies with a quotation.

Request a Quotation +92 345 9547419