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Grundfos Marine

NKF 50-200

Pump · Pumps

Class-certified type (DNV register) · technical data sheet not yet verified
Specifications

Technical data.reference — unverified

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Qzul for ∅219 impeller99 m3/h
Qzul for ∅170 impeller93 m3/h
D2 normal219 mm
D2 turned down170/194/207 mm
B214.2/12.5/12/11.6 mm
Dns65 mm
Dnd50 mm
Emergency reserve displacement32.66 l/min
Minimum coverage in metres30.5 m
Locked rotor torque traced at maximum power loadMax. 0.5 Nm
Rotation speed2950 rpm
Power22 kW
StandardEN 12845/prEN 12259-12
Dns65 mm
Dnd50 mm
VdS Approval NoP 4050056
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

Grundfos centrifugal pumps approved by the VdS are designed to distribute water in stationary sprinkler systems using either foam or water spray. They are operated in case of fire and during tests.

Applications

  • Stationary sprinkler systems
  • Foam or water spray distribution

Features

  • Non-corrosive iron for impeller, wear rings, and wet parts
  • EN-GJL-250 cast iron for castings
  • Compliance with VdS requirements

Standards

  • EN 12845
  • prEN 12259-12
  • ISO 9906 Annex A
Grundfos Marine NKF 50-200 – Photo (0cd158e410b8_S12-34 S. 22)
Photo · 0cd158e410b8_S12-34 · S. 22
Grundfos Marine NKF 50-200 – Drawing (0cd158e410b8_S12-34 S. 13)
Drawing · 0cd158e410b8_S12-34 · S. 13
Grundfos Marine NKF 50-200 – Drawing (0cd158e410b8_S12-34 S. 15)
Drawing · 0cd158e410b8_S12-34 · S. 15
Grundfos Marine NKF 50-200 – Drawing (0cd158e410b8_S12-34 S. 17)
Drawing · 0cd158e410b8_S12-34 · S. 17
Grundfos Marine NKF 50-200 – Page preview (0cd158e410b8_S12-34 S. 12)
Page preview · 0cd158e410b8_S12-34 · S. 12
Grundfos Marine NKF 50-200 – Page preview (0cd158e410b8_S12-34 S. 14)
Page preview · 0cd158e410b8_S12-34 · S. 14
Grundfos Marine NKF 50-200 – Page preview (0cd158e410b8_S12-34 S. 16)
Page preview · 0cd158e410b8_S12-34 · S. 16
Grundfos Marine NKF 50-200 – Page preview (0cd158e410b8_S12-34 S. 18)
Page preview · 0cd158e410b8_S12-34 · S. 18
Source: Grundfos Marine NKF 50-200 datasheet, p. 9
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