Modification

Nominal
pressure (PN), MPa

Thermowell
diameter, mm

max Ø                   sensor, mm

Thermowell immersion length U, mm

Probe length
L*, mm

from

to

UNKJ 017

80

35

3

100

320

320, 400, 500

UNKJ 018

80

35

8

Modification

Recommended thermocouples

UNKJ 017

• CTxx 01.03 3mm diameter
• If mounting fitting UNKJ 038 or movable fitting UNKJ 031 is used; CTxx 01.02 3mm diameter

UNKJ 018

• CTxx 01.10 8mm diameter
• RTх 101 8mm diameter
• RTх 103
• PRTD 105
• If mounting fitting UNKJ 038 or movable fitting UNKJ 031 is used; RTxx 102 ≤8mm diameter, PRTD 106.

UNKJ

017

-

55

.

А

.

800

-

G1/2

.

G

-

S10

-

35

-

500

/

320

1

2

3

4

5

6

7

8

9

10

11

Field no.

Structure

Field code

Designation

1

Manufacturer's code

UNKJ

2

Thermowell modification number

017

Solid thermowell, weld-in, with thinning up to 3.5 mm

018

Solid weld-in thermowell

3

Connection size

55

Mounting seat diameter 55mm

4

Design depending on thermowell seal at site

A

version A typical

5

Nominal pressure

800

nominal (rated) pressure in kgf/cm2

6

Inner thread N for sensor

М20х1,5 – not specified

G1/2;

straight pipe thread GOST 6357

K1/2;

British taper thread GOST 6111
only for installation of sensors with fixed fitting.

7

Design depending on sensor seal inside thermowell

for movable fitting (field is not filled)

G

for fixed fitting

8

Immersion end material

S10

steel 12Cr18Ni10T

Smf

steel 12Х1МФ

9

Working end outer diameter

35

dimensions in mm

10

sensor length L

320, 400, 500

dimensions in mm

11

Immersion length U

100-320

dimensions in mm