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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