Sheet 4343-23  

Page 4

INJECTOR MOUNTING DIMENSIONS

AIR-COOLED INJECTOR DIMENSIONS

2

½  

" 

Injector Size

3

½  

"

  Gas Connection Lap Joint Flange (ANSI) 

H 

1.25 

2.00

  Cooling Air Inlet Connection (NPT) 

I 

1.50 

2.00 

  Cooling Air Exhaust Connection (NPT) 

J 

1.50 

2.00

 Diameter (inches) 

K 

2.88 

4.00

  Cooling Air Outlet to Gas Connection Flange (inches) 

L 

16.38 

17.63 

  Furnace Hot Face to Mounting Flange (inches) 

M 

16,20,24,28,32,36,40 

16,20,24,28,32.36,40

  Cooling Air Inlet to Gas Connection Flange (inches) 

N 

13.00 

13.63

  Injector Overall Length (inches) 

O 

M + 24.63 

M + 25.38

M

N

H

Note: Flange is Rotatable

(NPT Exhaust)

(NPT Air Inlet)

L

O

K

J

I

M

DIMENSIONS SHOWN ARE SUBJECT TO CHANGE. PLEASE OBTAIN CERTIFIED PRINTS FROM FIVES NORTH AMERICAN COMBUSTION, INC. 

IF SPACE LIMITATIONS OR OTHER CONSIDERATIONS MAKE EXACT DIMENSION(S) CRITICAL.

Note: Tag bar on injector 
should "point" towards burner 
centerline