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 (NEMA 6P equivalent (IP68))

Submersible (NEMA 6P equivalent (IP68)), with rubber protective sleeve

Submersible (NEMA 6P equivalent (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

3.6" × 3.6", PN square flange

2" BSP

2" NPT

ANSI 3", Class 150 / 300, carbon steel

ANSI 4", Class 150 / 300, carbon steel

ANSI 3", Class 150 / 300 / 600, 316Ti stainless steel

ANSI 4", Class 150 / 300, 316Ti stainless steel

Stainless steel flanges; welded (MF▢–▢▢▢–J type flanges [available from size ANSI 3"] should be ordered separately)

Protrusion / Lever length / Ex Certificate
M
K
1

8" (7.4" for MKA-21B, 7" for MKA-21N)

12.6" / 3.9"

16.5" / 7.9"

20.5" / 11.8"

"L" or "Z" lever

8" (7.4" for MKA-21B, 7" for MKA-21N) /Ex db eb mb G

12.6" / 3.9" / Ex db eb mb G

16.5" / 7.9" / Ex db eb mb G

20.5" / 11.8" / 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 submersible version MKU/MKV/MKZ

To be specified in the order; sold by the 3.3 ft

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 (4130 equivalent)

Stainless steel 1.4409 (316L equivalent)

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 (4130 equivalent)

NIVOMAG MMK Tester Stainless steel

Tester for MK magnetic level switch

Type
M
M
K
1
2
0
0

Stainless steel 1.4409 (316L equivalent)

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