100 Mm (2 - 4 Inch) Meter Sizes - ABB K-MAG 10D1476 Instruction Manual

10D1476 K-MAG MAGNETIC FLOWMETER INSTRUCTION MANUAL
5. Thread nuts on both ends of the four mounting studs, finger-tight.
6. To center the magnetic flowmeter with the longitudinal axis of the pipeline, press down firmly on
the centering device. This will force-spread the mounting studs, thereby centering the meter body.
Maintain pressure on centering device and tighten nuts of the mounting studs until nuts are suffi-
ciently tight to prevent movement of meter relative to the flanges.
7. Tighten the stud nuts in even increments to prescribed torque as shown in Figure 2-6,using
prescribed tightening sequence (1-3-2-4) to maintain even pressure distribution around the respec-
tive flanges. Bolt torque should be limited to that which is sufficient to produce a positive seal for the
application as given in Table 2-1.

2.3.4.2 50 - 100 mm (2 - 4 inch) Meter Sizes

Refer to Figures 2-2 and 2-8 to supplement the following procedure.
1. Insert both of the two lower mounting studs (see Figure 2-8, Detail "I" 4-Bolt Flange, or Detail "II"
8-Bolt Flange, as applicable) through the clearance holes in the pipe flange, so that approximately
half the stud length extends past the flange face. (Start with either the upstream or downstream
flange, as convenient.)
2. Slip an adaptor sleeve* on both of the mounting studs. The two mounting studs can now be guided
through the clearance holes in the downstream (typical) flange.
3. Place a gasket inside the meter end ring at both the inlet and outlet ends of the meter, so that the
gasket will be between the ceramic spool and the adjacent pipe flange.
4. Place the K-MAG magnetic flowmeter between the two pipe flanges, with the meter body foot piece
(opposite the neck) being seated between the two adaptor sleeves. The meter must be oriented in
accordance with the flow direction arrow.
Note that in pipelines with 8-bolt flange patterns (Figure 2-8 - Detail "II"), the adaptor sleeves required
(Type II) have a "flat" machined surface with color strip.This flat surface must face the flat part of the
meter body foot (and neck) to permit the meter to be seated properly.
5. Install the two upper mounting studs and adaptor sleeves as shown in Figure 2-8. Note that when
the sleeves are properly located, only four adaptor sleeves are needed for positioning the meter. In
systems with an 8-bolt flange pattern, insert the four remaining mounting studs through the clearance
holes in the upstream and downstream flanges.
6. Thread nuts on both ends of the 4 (or 8) mounting studs, finger-tight.
7. As the meter body is positioned properly by the adaptor sleeves, it is only necessary to tighten the
stud nuts to complete the mounting procedure. Tighten the nuts in an alternate pattern as shown in
Figure 2-6 (e.g., 1-3-2-4 or 1-5-3-7-2-6-4-8) using proper torque and tightening sequence to produce
an even pressure distribution around the flange faces. Bolt torque should be limited to that sufficient
to produce a positive seal for the application, as shown in Table 2-1.
*Exception: Adaptor sleeves not required for type BS 10 - Table D or E flanges in 50 - 100 mm sizes,
or for DIN PN 10/16 in 100 mm size.
2-11