name

Graduation

Allowable deviation △ t (℃)

Thermal response time τ 0.5 (s)

Nickel chromium nickel silicon thermocouple

K

2.5 or? 0.75％t

Φ 16, Φ 20 pipes ≤ 120
Cone shaped tube ≤ 180

Model

Fixed installation and structural features

Wear resistant section material

Measurement range ℃

Specification mm

WRKN

－230

Fixed thread

(Spraying)
spraying welding
Ni WC
CoCrW

0~500
0~900
0~1100

300? one hundred and fifty
450? three hundred
750? six hundred
900? seven hundred and fifty
1150? one thousand
1650? one thousand and five hundred
2150? two thousand

WRK2N

WRKN

－430

Flange

WRK2N

WRKN

－630

Fixed thread cone
U-tube

WRK2N

WRKN

－430J

Flange
With shut-off valve
conical tube

Composite pipe series
Wear resistant ceramics
series
wear-resistant alloy
series

0~1200
0~1280

300
500
600
750
1250
1500
2000

WRKN

－430F

Flange
Prevent internal leakage
conical tube