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KSB Movitec VSF 25/2 B Vertical Multistage Pump (Motor SWEA112M2)

The KSB Movitec VSF 25/2 B is a vertical multistage ring-section high-pressure centrifugal pump, stainless-steel wetted parts, in-line flanged connections, size 25, 2 stages, fitted with an SWEA112M2 motor (4 kW), for water boosting, irrigation and industrial water transfer.

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Product Details

1. Product Overview

Movitec VSF 25/2 B is a KSB Movitec-series vertical multistage ring-section high-pressure centrifugal pump, with suction and discharge in line (in-line), flanged, and stainless-steel wetted parts (1.4301). It is an efficient high-pressure in-line pump whose stages stack head, used for wate r supply boosting, water treatment, irrigation, washing and fire-fighting.

In the model: Movitec = vertical multistage ring-section pump series; VSF = design/material variant; 25 = size (nominal flow ~25 m³/h class); /2 = 2 stages; B = version. With 2 stages on a 2-pole motor (~2900 r/min), it typically delivers Q ≈ 25 m³/h at H ≈ 24 m.

The matching motor SWEA112M2 is a KSB SWEA aluminum three-phase IE3 motor, IEC frame 112M, 2-pole, rated 4 kW, ~2900 r/min.

2. Specifications

表格

Item	Specification
Manufacturer	KSB
Pump model	Movitec VSF 25/2 B
Matching motor	SWEA112M2
Product type	Vertical multistage ring-section high-pressure pump (in-line)
Series	Movitec
Size (nominal flow)	~25 m³/h
Stages	2
Typical duty	Q ≈ 25 m³/h, H ≈ 24 m (2900 r/min)
Wetted-part material	Stainless steel (1.4301)
Connection	Flange, in-line
Nominal pressure	PN 40 (max 40 bar)
Fluid temperature	−20 to +140 °C
Pump speed	~2900 r/min (2-pole)
Motor model	SWEA112M2
Motor power	4 kW
Motor frame / poles	IEC 112M, 2-pole
Motor efficiency	IE3
Motor speed	~2900 r/min
Supply	400 V, 50 Hz

5. Model Information

Pump model: Movitec VSF 25/2 B
Matching motor: SWEA112M2
Product description: KSB Movitec vertical multistage pump, size 25, 2 stages, with SWEA112M2 (4 kW) motor.
Model decode: Movitec = vertical multistage ring-section series; VSF = design/material variant; 25 = size (~25 m³/h nominal); /2 = 2 stages; B = version. In motor SWEA112M2, SWEA = KSB aluminum IE3 series, 112M = IEC frame, 2 = 2-pole (4 kW). Exact seal, material and voltage per nameplate. Please email us.
Series features:
- Vertical multistage ring-section, in-line flanged
- Stainless wetted parts (1.4301), corrosion resistant
- Stages stack head, high efficiency
- PN 40 / 40 bar, −20 to +140 °C
- SWEA IE3 aluminum motor
- Water boosting, treatment, irrigation, washing, fire-fighting
Related products in series: Other Movitec sizes (5–192 m³/h) and stage counts; Movitec H(S)I (horizontal/suction)
Matching products: KSB motor, mechanical seal, pressure tank, VSD panel

6. Why Choose Us

Exact model match: We verify Movitec VSF 25/2 B + SWEA112M2 as supplied.
Authorized channel supply: KSB Movitec pump sets through regular channels.
Selection support: We help confirm duty point, stages and motor.
Delivery & after-sales: Quotation, lead-time confirmation and order follow-up provided; for questions, please email us.

7. FAQ

Q1: What is Movitec VSF 25/2 B?

A: A KSB Movitec vertical multistage ring-section high-pressure pump, size 25, 2 stages, stainless wetted parts.

Q2: What do the digits mean?

A: 25 = size (~25 m³/h nominal); /2 = 2 stages; B = version.

Q3: Flow and head?

A: With 2 stages at 2900 r/min, typically Q=25 m³/h, H=24 m; see selection curve.

Q4: What motor?

A: SWEA112M2, KSB SWEA aluminum IE3 motor, IEC 112M, 2-pole, 4 kW.

Q5: Material and pressure rating?

A: Stainless 1.4301 wetted parts, PN 40 (max 40 bar).

Q6: Applications?

A: Water boosting, treatment, irrigation, washing, fire-fighting. For other stages/materials, please email us.

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