BPLV700AV
2006-12-19
SATRON VG
pressure transmitter
Figure 1-6
Figure 1-3
Coupling mounting hole
Figure 1-7
1 Shut-off plug, AISI316 (Order No. M550405)
2 Shut-off screw G1
3 G1 welded process coupling
Figure 1-5
Coupling shut-off plug
Figure 1-4
Welding the coupling
3
10044004
DO NOT TOUCH!
10044006
10044108
Welding Sequence
∅
45
.5
-0
.2
+
0
.5
1050354043
10044110
HEX 36
79
3
1
2
1.1.1 Installing welded process couplings
Mounting hole for coupling
• Make a
Ø
45.5 mm (+0.5/-0.2 mm) hole in the tank wall
or pipe, as shown in Figure 1-3.
Welding the coupling
These instructions apply to all welded couplings; welding
the G1 standard coupling is described here as an
example.
• Place the coupling in the mounting hole as shown in Fig.
1-4. Then weld with several runs so as to prevent the
coupling’s oval distortion and tightness problems.
• The transmitter must be out of the coupling while the
coupling is welded.You can use the shut-off plug shown in
Fig. 1-5 to shut the coupling. The plug protects the
coupling’s sealing face and permits the starting of the
process without the transmitter.
• It is always recommendable to use the welding assistant
(M1050450) while welding the coupling to prevent any
distortions due to heat.
• Do not make weld grounding via any transmitter's body!
1.1.2 Mounting the transmitter on the coupling
Procedure
• Make sure that the coupling’s sealing face is clean.
• Remove the orange protective plug from the transmitter’s
diaphragm.
Do not touch the diaphragm! Figure 1-6.
• Insert the transmitter
in a straight line
into the
coupling (Fig. 1-7), so that the guide groove on the
transmitter aligns with the stop pin on the coupling. The
transmitter settles into position when the groove and pin
are aligned, and will be prevented from rotating in the
coupling.
When inserting the transmitter, be careful not to
damage the edge of the sensor diaphragm on the
edges of the coupling or on the end of the stop pin!
• Lock the transmitter in position by screwing the hex nut
fully home. Finger tightness is sufficient to tighten the
sealing faces. However, we recommend final tightening
with a tool to eliminate the effect of vibration and other
such factors. Apply 60±20 Nm torque.
Do not use sealing tape etc. on threaded
connection!
1
3
5
2
4
6
Welding assistant M1050420
Summary of Contents for VG
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