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Home | Products | Level | Level Switches | Magnetic Coupling | NIVOMAG

NIVOMAG – Magnetic Coupling Level Switches

Fixed and adjustable differential models

MKA-210-0 Magnetic Float Level Switch
Float Level Switch Nivelco MKA-21B-0
Float Level Switch Nivelco MKA-220
Float Level Switch Nivelco MKA-230-1
level-switch-flange-mount-nivelco-mka
level-switch-side-L-arm-nivelco-mka_210
level-switch-side-Z-arm-nivelco-mka_210
MKA-210 With MMK Tester And MFF Counter Flange
MKA With Rubber Protection Sleeve Nivelco MKG-210
level-switch-underwater-with-silicon-sleeve-nivelco-mkz_210_0
Steel Counter Flange Nivelco MFF-110

NIVOMAG Features

  • Operation without power supply
  • Micro-switch separated from the process
  • All wetted parts stainless steel
  • Side or top mounting
  • Fixed or adjustable switch differential
  • Submersible versions
  • Various process connections
  • Operational check via optional tester
  • Flame-proof models
  • SIL1 approval
Brand: NIVELCO
Usually in stock
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  • Product Details
  • Technical Specs
  • Ordering Information
  • Documents
https://www.intech.co.nz/wp-content/uploads/2019/11/nivomag.mp4

NIVOMAG MK-200 series magnetic float level switches are used for point level detection and level control of liquids in all types of vessels.

Operation principle: the permanent magnet of the float activates the output microswitch by a non-contact coupling system.

The great variety of both the top and side mounted versions makes it easy to install the switch in any tank at any location. For the simplest level switching you can select models with fixed hysteresis, while for level control application we offer NIVOMAG switches with adjustable hysteresis.

Models with rubber or silicon sleeves can be applied for contaminated liquids. You can fit the NIVOMAG switch with an MMK type tester, to check the switching function even when the liquid levels aren’t changing.

Applications

  • Liquids with min. 0.7 kg/dm3 density
  • Fail-safe and control level switches in closed tanks
  • Power stations, chemical, petrochemical and pharmaceutical industry
  • Ballast tanks on ships

NIVOMAG MK-200 Series Specifications
Nominal pressure 2,5 MPa (25 bar) [MKU: 0,2/2,5 MPa (2 bar/25 bar)] [MKA-231,6 MPa (16 bar)]
Medium temperature see temperature diagram (brochure)
Ambient temperature –20°C…+80°C, , Ex version: see temperature specification for Ex version table
Liquid density min. 0,7–0,85 kg/dm3
Float Cylindrical except MKA-230: Ball Float
Switch hysteresis Fixed (MKA/MKU/MKG/MKV/MKS/MKZ
Adjustable (MKA-22 and MKA-23)
Protrusion length 0-3000mm depending on model
Material of wetted parts Stainless steel (1.4571, 1.3960, 1,4404), and MKG: rubber, MKS: silicone
Housing material Paint coated aluminium
Switch action 1 micro-switch with 1 closing and 1 opening contact (NO and NC) *
Switch rating Standard 250 V AC12 10 A; 220 V DC13 0,6 A
Ex version 250 V AC12 2,5 A; 220 V DC13 0,3 A
Electrical connection M20x1,5 cable gland, terminal
(MKU, MKV, MKZ integrated cable NSSHöu-J 5x1,5 mm2, Ø15 mm) **
Ingress Protection IP65 (MKU, MKV, MKZ IP68 up to 20 m underwater)
Electrical protection Class I
Safety integrity level SIL1
Ex marking ATEX II2 G EEx dme IIC T2…T6
Mass 1,8 – 3,5 kg
* NO and NC terminals should be connected to equipotential circuits
** Cable length should be specified when ordered

NIVOMAG Ordering Info

  • Nivomag Magnetic Level Switches - Brochure 1.49 MB
  • Nivomag Magnetic Level Switches - Manual 355.42 KB
  • MFF - Nivomag Counter Flange -Technical Drawing 24.05 KB

Product Range

Product Range:
CodeSpecificationsPriceQuantity
MKA-210-0

Fixed differential level switch. Side/Top Mount, square flange. 202mm protrusion length

$810.00
MKA-21B-0

Fixed differential level switch. Side/Top Mount with 2″BSP connection. 189mm protrusion length

$810.00
MKG-210-0

Fixed differential level switch. Side/Top Mount, square flange, 202mm protrusion length, with Rubber Protection Sleeve (Medium 0~100°C)

$894.00
MKS-210-0

Fixed differential level switch. Side/Top Mount, square flange, 202mm protrusion length, with Silicone Protection Sleeve (Medium 0~200°C)

$949.00
MKA-210-4

Fixed differential level switch. Side/Top Mount, square flange, with “L” or “Z” profile

$850.00
MKA-220-0

Adjustable differential level switch. side mount, square flange. 254mm protrusion length

$961.00
MKA-230-1

Adjustable differential level switch. Top Mount. 1265 mm protrusion length / 1000mm Arm length

$1,054.00
MFF-110

Steel Counter Flange

$230.00
MFF-111

Steel Counter Flange – for units with MMK-110 Tester

$252.00
MFF-120

Stainless steel Counter Flange

$313.00
MFF-121

Stainless Steel Counter Flange – for units with MMK-120 Tester

$330.00
MMK-110

Steel Test Plunger

$363.00
MMK-120

Stainless steel Test Plunger

$610.00
MKA-210-FLOAT

NIVOMAG Spare float for MKA-210-0 64mm diameter

$130.00
MKA-21B-FLOAT

NIVOMAG spare float for MKA-21B 52mm diameter

$210.00
Extension Arm - 100mm

100mm Extension Arm Kit c/w 2 x split pins and Tubular Sleeve

$154.00
Extension Arm - 200mm

200mm Extension Arm Kit c/w 2 x split pins and Tubular Sleeve

$165.00
Extension Arm - 300mm

300mm Extension Arm Kit c/w 2 x split pins and Tubular Sleeve

$178.00
All prices are in NZ$, and GST exclusive and are subject to change without notice.

Intech Instruments Ltd are the New Zealand distributor for Nivelco products. Please contact the Nivelco distributor in your country if you require sales or service support for Nivelco products.

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