Dimensions & Orientations | Metering Orifice
ORIENTATIONS
orientation 1 (as shipped)
orientation 3 (optional field adjustment)
orientation 2 (optional field adjustment)
CONSTRUCTION Orifice plates are accurately manufactured with a square edge orifice. Plate is etched with its number, which is its capacity in cfh of 0.6 s.g. gas at 3.5"w.c. (8.72 mbar) pressure drop, and orifice bore sizes.
DIMENSIONS
D
A-8694A fpt inlet and outlet M8694A - Iso 7-rp inlet and outlet
Ø C
B
Orifice Holder
wt in
dimensions in inches (mm)
designation
A
B
C
D
lb (kg)
8694A-1/M8694A-1 8694A-2/M8694A-2 8694A-3/M8694A-3 8694A-4/M8694A-4
1
3 1/8 (79) 3.46 (88) 3 1/8 (79) 3.96 (101) 3 1/8 (79) 3.96 (101) 3 1/8 (79) 4.46 (114)
5 (127)
1.7 (0.8) 2.4 (1.1) 2.4 (1.1) 2.9 (1.3)
11/4 11/2
5 3/16 (113) 5 3/16 (113) 51/2 (140)
2
Bulletin 8694A Page 7
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