M O D E L

N U M B E R

T W I N

R O D

P R O B E

7 * B

Twin Rod GWR probe

ε

r

≥ 1.9 - WHG approved

BASIC MODEL NUMBER – GWR probe for in-tank mounting only

A

B

Hastelloy C (2.4819) with TFE spacers

C

Monel (2.4360) with TFE spacers

J

316/316L SS NACE Construction

MATERIAL OF CONSTRUCTION – wetted parts (including process connection flange when applicable)

4 1

2" NPT Thread

4 2

2" BSP (G2) Thread

Threaded

5 3

3"

150# ANSI Raised Face Flange

5 4

3"

300# ANSI Raised Face Flange

6 3

4"

150# ANSI Raised Face Flange

6 4

4"

300# ANSI Raised Face Flange

ANSI Flanges

E A

DN 80, PN 16

EN 1092-1 Type A

E B

DN 80, PN 25/40

EN 1092-1 Type A

E D

DN 80, PN 63

EN 1092-1 Type B2

F A

DN 100, PN 16

EN 1092-1 Type A

F B

DN 100, PN 25/40

EN 1092-1 Type A

F D

DN 100, PN 63

EN 1092-1 Type B2

EN/DIN Flanges (consult factory for DN 50 process connections)

PROCESS CONNECTION – SIZE/TYPE

T T

600# Fisher (249B/259B) in carbon steel –

as per dimensions of Figure 1 on page 11

T U

600# Fisher (249C) in stainless steel –

as per dimensions of Figure 2 on page 11

U T

600# Masoneilan flange in carbon steel –

as per dimensions of Figure 3 on page 11

U U

600# Masoneilan flange in stainless steel –

as per dimensions of Figure 3 on page 11

Torque Tube Mating Flanges

Œ

0

Viton GFLT seal – for universal use

-40° F (-40° C) / +400 °F (+200° C)

2

Kalrez 4079 seal – for aggressive media

Ž

-40° F (-40° C) / +400° F (+200° C)

8

Aegis PF 128 seal – for NACE applications

-4° F (-20° C) / +400° F (+200° C)

PROCESS SEAL – O-RING MATERIAL



Œ

Always check dimensions if ANSI/DIN flanges are not used.



Consult factory for alternative o-ring materials.

Consult factory for HF Acid applications.

Ž

For ammonia/chlorine applications use the 7xD GWR probe.

18

7B

Models available for quick shipment, usually within one week after factory

receipt of a complete purchase order, through the Expedite Ship Plan (ESP).

INSERTION LENGTH

24 to 240 inches (60 to 610 cm)

(unit of measure is determined by second digit of Model Number)

Examples: 24 inches = 024; 60 centimeters = 060