Pneumatic Connection - bürkert 2301 Bedienungsanleitung

tightening torques of valve housing / nipples
dn tightening torque [nm]
13/15 45 ±3
20 50 ±3
25 60 ±3
32
65 ±3
40
50 70 ±3
protective film:
→
After installing the actuator, remove the film which protects the
surface of the VA sleeve.
If the position of the control air connections for installation
of the hoses is unfavourable, these can be aligned steplessly
by rotating the actuator through 360°.
The procedure is described in the chapter entitled "Pneumatic
connection" under "Rotating the Actuator".
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Control air connection
english
Type 2301
Installation
8.4. pneumatic connection
Danger!
danger – high pressure in the equipment!
• Before loosening the lines and valves, turn off the pressure and
vent the lines.
Warning!
risk of injury from unsuitable connection hoses!
Hoses which cannot withstand the pressure and temperature range
may result in hazardous situations.
• Use only hoses which are authorised for the indicated pressure
and temperature range.
• Observe the data sheet specifications from the hose manufacturers.
for control function i – danger if control pressure fails!
For control function I control and resetting occur pneumatically.
If the pressure fails, no defined position is reached.
• To ensure a controlled restart, first pressurise the device with
control pressure, then switch on the medium.
The pneumatic connection of the straight seat control valve
can be carried out only in connection with the appropriate
activation unit.
Possible activation units are:
Position controller Type 8692 and 8696
Process controller Type 8693