Martin XHV Air Cannon Operator's Manual page 13

High-temperature blow pipe
Figure 8. Mounting Nozzles/Pipes (High-Temperature Applications)
A. Refractory
B. Fan jet blow nozzle
C. Seal plate
D. Cut-out refractory
E. XHV blow pipe
F. Support structure
G. Companion flanges
Figure 9. Installing Mounting Plate (High-Temperature Applications)
Martin Engineering M3404-05/12
3. For internal storage vessel temperatures of 500°F (260°C) or higher,
install XHV blow pipe and fan jet angle nozzle, fan jet blow nozzle, or
high-temperature blow pipe (Figure 8) on vessel as follows:
a. If using fan jet angle nozzle, contact Martin Engineering.
Fan jet angle nozzle
b. If using fan jet blow nozzle, do the following:
(1) Cut a 15-in. (381 mm) by 6-in. (152 mm) hole in skin and
refractory (A, Figure 9) (if present).
(2) If using high-temperature blow pipe, field weld onto fan jet blow
nozzle.
F
Fan jet blow nozzle
XHV blow pipe
B
G
C
E
A
9
D
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Martin XHV Air Cannons