Wilo-BM | Wilo
Your advantages
Wilo-BM-B

Your advantages

  • Compact block design with directly flanged three-phase current motor and one-piece motor pump shaft
  • Can be used in many applications due to material made of cast stainless steel (BM-S) and cast bronze (BM-B)
  • Meets user requirements due to performance and main dimensions in accordance with EN 733 (DIN for standard pumps)
  • Standard-equipped feet on pump housing and motor for installation on a base
Series description

Design

Glanded pump in block design with flange connection

Application

For pumping heating water (in accordance with VDI 2035), water-glycol mixtures, cooling water and cold water without abrasive substances in heating, cold water and cooling water systems.

Typekey

Example

BM-S 40/165-4/2

-S

Monobloc pump made of cast stainless steel

-B

Monobloc pump made of bronze casting

40

Nominal diameter DN of the pipe connection (pressure port)

165

Nominal impeller diameter

4

Rated power P2 in kW

2

Number of poles

Technical data

  • Minimum efficiency index (MEI) ≥ 0.4
  • Permissible temperature range of -10 °C to +90 °C
  • Mains connection 3~400 V, 50 Hz
  • Protection class IP55
  • Nominal diameter DN 32 to DN 125
  • Max. operating pressure 10 bar

Materials

  • Pump housing BM-B: Bronze CuSn10
  • Pump housing BM-S: Cast stainless steel 1.4408
  • Impeller BM-B: Bronze CuSn 10
  • Impeller BM-S: Cast stainless steel 1.4408
  • Shaft: 1,4362
  • Mechanical seal: Q1Q1VGG

Construction

  • Single-stage glanded centrifugal pump in compact block design made of cast stainless steel
  • Directly flanged three-phase current motor and one-piece motor pump shaft
  • Mechanical seal
  • Feet on pump housing and motor

Delivery state

  • Pump
  • Installation and operating instructions
Downloads

Installation and operating instructions

Wilo-BM, BM-B, BM-S

Article Number 2103933
Edition 1608
Page format A4
Number of pages 19
PDF (1 MB)

Certificate REACH (Documents)

REACH regulation

Edition 2020-08
Page format 209.9 x 297.0 mm
Number of pages 2
PDF (158 KB)
Product list
Number of results: 420
Product descriptionNumber of polesNominal flange diameterMechanical sealRated power P2Gross weight, approx. mArticle number