Emerson 3081FG instruction manual Horizontal Probe Installation

Instruction Manual

IB-106-3081 Rev. 1.5 September 2002

Model 3081FG

STACK OR DUCT

METAL WALL

WELD PIPE TO

METAL WALL

2.0IN. (51 mm) MIN. DIA.

REFRACTORY

2 IN. NPT

1.25 NPT

CUSTOMER

SUPPLIED

ADAPTER

SCHEDULE 40

PIPE

STACK OR DUCT
METAL WALL	INSULATE IF EXPOSED
ADAPTER	TO AMBIENT WEATHER
		CONDITIONS

2 IN. NPT

SCHEDULE 40

PIPE

CALIBRATION	SYSTEM
CHECK
GAS LINE	CABLE
REFERENCE
AIR LINE	29750004

Figure 2-4. Horizontal Probe Installation

3.If the optional adapter plates are not used, a 2 in. NPT, schedule 40, pipe nipple (Figure 2-4) should be welded to the stack or duct wall.

When a 2 in. NPT to 1.25 NPT adapter is threaded to the welded pipe nipple,

the adapter provides the pipe threads needed for the probe’s process fitting.

4.Where high particulate or slag is in the flue gas stream, it may be desirable to inset the probe in the refractory as shown in Figure 2-5.Use pipe cou- plings and nipples to adjust the probe insertion depth.

2-4 Installation Rosemount Analytical Inc. A Division of Emerson Process Management