Table 13 Flange Description - Honeywell ST 3000 Installation Manual

4.2 Piping ST 3000 Transmitter,
Flange descriptions
Transmitter Type
Flush or Extended 2-inch 150# serrated–face flange with 4 holes 19 mm (3/4 in) diameter on 120.7
Diaphragm mm (4.75 in) diameter bolt circle and an outside diameter of 150 mm (5.91 in).
2-inch 150# serrated–face flange with 8 holes 19 mm (3/4 in) diameter on 127 mm
(5.00 in) diameter bolt circle and an outside diameter of 165 mm (6.50 in).
3-inch 150# serrated–face flange with 4 holes 19 mm (3/4 in) diameter on 152.4
mm (6.00 in) diameter bolt circle and an outside diameter of 190 mm (7.48 in).
3-inch 300# serrated–face flange with 8 holes 22.2 mm (7/8 in) diameter on 168.3
mm (6.62 in) diameter bolt circle and an outside diameter of 210 mm (8.27 in).
4-inch 150# serrated–face flange with 4 holes 19 mm (3/4 in) diameter on 190.5
mm (7.50 in) diameter bolt circle and an outside diameter of 230 mm (9.05 in).
4-inch 300# serrated–face flange with 8 holes 22.2 mm (7/8 in) diameter on 255
mm (10.04 in) diameter bolt circle and an outside diameter of 200 mm (7.87 in).
DN 50 PN 40 serrated–face flange with 4 holes 18 mm (0.71 in) diameter on 125
mm (4.92 in) diameter bolt circle and an outside diameter of 165 mm (6.50 in).
DN 80 PN 40 serrated–face flange with 8 holes 18 mm (0.71 in) diameter on 160
mm (6.30 in) diameter bolt circle and an outside diameter of 200 mm (7.87 in).
DN 100 PN 40 serrated–face flange with 8 holes 22 mm (0.87 in) diameter on 190
mm (7.48 in) diameter bolt circle and an outside diameter of 235 mm (9.25 in).
Pseudo Flange Head 2-inch, 150 lbs serrated-face flange with 4 holes 15.9 mm (5/8 in) diameter on
120.6 mm (4-3/4 in) diameter bolt circle and an outside diameter of 152.4 mm (6
in).
3-inch, 150 lbs serrated-face flange with 4 holes 19 mm (3/4 in) diameter on 152
mm (6 in) diameter bolt circle and an outside diameter of 190 mm (7-1/2 in).
Flush Mount 25.4 mm (1-inch) pipe mount. (316L SS standard option.)
Gauge STG93P
• When measuring fluids containing suspended solids, install permanent
General piping
guidelines
• Blow-down all lines on new installations with compressed air or steam
• Be sure all the valves in the blow-down lines are closed tight after the
2/05
Table 13 describes the available flange connections for flange mounted
liquid level transmitters.

Table 13 Flange Description

valves at regular intervals to blow-down piping.
and flush them with process fluids (where possible) before connecting
these lines to the transmitter's meter body.
initial blow-down procedure and each maintenance procedure after
that.
ST 3000 Release 300 Installation Guide
Continued
Description
Continued on next page
37