NIVOMAG MK–21 with fixed switch differential

(Magnetic Coupling Level Switches)

MK1
  • 5 years warranty
  • Explosion protection

Side / top-mounted magnetic coupling float level switch with fixed switch differential with SIL 1 and marine (DNV, BV) certificates

Type
M
K
1
Version
M
K
1

Standard

With rubber protective sleeve

With silicone protective sleeve

Submersible (IP68)

Submersible (IP68), with rubber protective sleeve

Submersible (IP68), with silicone protective sleeve

Housing / Output
M
K
1

Aluminum / 1x SPDT

Aluminum / 2x SPDT

Stainless steel / 1x SPDT

Stainless steel / 2x SPDT

Process connection
M
K
1

92 × 92 mm, PN square flange

2" BSP

2" NPT

DIN DN80, PN40 / 25 / 16 / 10 steel

DIN DN100, PN40 / 25 steel

DIN DN80, PN40 / 25 / 16 / 10, 1.4571/1.4404 stainless steel

DIN DN100, PN40 / 25, 1.4571/1.4404 stainless steel

Stainless steel flanges; welded (MF▢–▢▢▢–J type flanges [available from size DN80] should be ordered separately)

Protrusion / Lever length / Ex Certificate
M
K
1

202 mm (189 mm for MKA-21B, 178 mm for MKA-21N)

321 / 100 mm

421 / 200 mm

521 / 300 mm

"L" or "Z" lever

202 mm (189 mm for MKA-21B, 178 mm for MKA-21N) / Ex db eb mb G

321 / 100 mm / Ex db eb mb G

421 / 200 mm / Ex db eb mb G

521 / 300 mm / Ex db eb mb G

"L" or "Z" lever / Ex db eb mb G

or the lower (Lsl) switching point must be specified in text of the order.

Related

Cable for MKU/MKV/MKZ submersible version

To be specified in the order; sold by the meter

Accessories

NIVOMAG MFF Counter flange

Counter flange for MK magnetic level switch

Type
M
F
F
1
0
Material
M
F
F
1
0

Steel (1.7218)

Stainless steel (1.4409)

Version
M
F
F
1
0

Standard

For units with MMK–1▢0 tester

NIVOMAG MMK Tester Carbon Steel

Tester for MK magnetic level switch

Type
M
M
K
1
1
0
0

Steel (1.7218)

NIVOMAG MMK Tester Stainless steel

Tester for MK magnetic level switch

Type
M
M
K
1
2
0
0

Stainless steel (1.4409)

NIVOMAG MAY Gland adapter

Y-adapter for multiple cable entry with M20x1.5 connector size, for non Ex devices.

Type
M
A
Y
1
2
2

Without gland

Plastic glands

Metal glands