Maintenance – Flowserve BA46 User Manual
Page 30
30
n
Combination spanner 7 mm A. F., DIN 33, form B
n
Combination spanner 0 mm A. F., DIN 33, form B
n
Combination spanner 3 mm A. F., DIN 33, form B
n
Combination spanner 6 mm A. F., DIN 33, form B
n
Combination spanner 7 mm A. F., DIN 33, form B
n
Torque spanner – Nm, ISO 6789
n
Torque spanner 8 – 40 Nm, ISO 6789
n
Torque spanner 80 – 400 Nm, ISO 6789
n
Punch 4.8 x 0 CuZn (brass)
n
Hammer 300 g, Din 04
n
Self-centering pulling device, size 0
Maintenance
– continued –
Tools
Torques
Item
Continuous blowdown valve
Torque required
for tightening
[Nm]
DN 15-32
DN 40,50
A
BA 46, BA 47, BAE 46, BAE 47
7
O
BA 46, BA 47, BAE 46, BAE 47
30
P
BA 46, BA 47, BAE 46, BAE 47
5
R
BA 46, BA 47, BAE 46, BAE 47
7
T
BA 46, BA 47, BAE 46, BAE 47
0
7
BAE 46, BAE 47
7
Changing packing and internals of BAE 46, BAE 47
– continued –
.
Screw hexagon nut
T
onto the threaded part of the nozzle stem
R
and tighten with a torque
of
20 Nm
while holding the control lever
.
3.
Screw sealing plug
O
together with gasket
N
into the valve body and tighten with a torque of
130 Nm
or screw in the sample valve with the gasket according to the instructions given by the
manufacturer
.
4.
Put coupling
8
onto control lever
U
and fix the mounting bracket
5
and actuator
1
to the valve
body using the hexagon screws
7
. Adjust control lever until the coupling makes contact
.
5.
Align the actuator, making sure that the coupling
8
is level on the control lever. Fasten hexagon
screws
7
with a torque of
7 Nm.
6.
Adjust the switching cams for OPEN, CLOSED and OPERATING POSITION or, if fitted, the feedback
potentiometer according to the attached installation manual “Actuators EF...”
.
7.
Set the switching cam for CLOSED in the actuator such that the torque checking pin
6
is to the
right but does not touch the checking hole.The closing torque in this position is
10 Nm. Fig. 13
All torques indicated in the table are based on a room temperature of
0 °C.