Combustion Catalog | Fives North American

Dimensions | Flow Switches

ASSEMBLY PART NUMBERS (includes pitot tube and different pressure switch)

REPLACEMENT PARTS

8" Pitot Tube: 12" Pitot Tube:

R300-1008 R300-1003

Overall

Insertion

Pipe Size

18" Pitot Tube: R300-1004 Mounting Gland: R300-1004 Pressure Switches: 8757-A4-1.2i 8757-A4-4i

Part Number 8590B-A-_i 8590B-B-_i 8590B-C-_i

Range 6-12" 8-20" 18-32"

Length "L" Length "A"

8"

14.73" 18.73" 24.29"

12" 18"

DIMENSIONS

A

6.04

Pressure Connection (-)

Differential Pressure Switch

L

1/4" Pipe Plug

Mounting Gland ( 1/2 " NPT or flat duct mountable w/flat washer)

4.82

Pressure Connection (+)

9.19

7.64

1/4" Pipe Plug

Pitot Tube

AIR FLOW

AIR FLOW

4.45

ORDERING INFORMATION

To order complete assembly:

8590B-

-

Pressure Switch Range 1.2i = 0.16 to 1.2" w.c. 4i = 0.4 to 4" w.c.

Pipe Code A = 6-12" B = 8-20" C = 18-32"

Bulletin 8590 Page 6

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