Burkert Type 2000 - Manual (Page 13)

13
Assembly
WARNING!
Risk of injury from damaged devices!
If the wrong tools are used for assembly work, the device may be
damaged. Also if tightening torque is incorrect.
• To remove the actuator from the valve housing, use an open-end
wrench, never a pipe wrench.
• Observe tightening torque (40 ± 3 Nm)
→
Grease pipe thread before re-installing the actuator
(e.g. with Klüber paste UH1 96-402 from Klüber).
→
For control function A: Pressurize control air connection with
compressed air (5.5 bar) so that the pendulum disc is lifted off the
valve seat and is not damaged when screwed in.
→
Screw actuator into the valve housing.
Observe tightening torque (40 ± 3 Nm)!
If the position of the control air connection for installation
of the hose is unfavorable, it can be aligned steplessly by
rotating the actuator through 360°.
8.4. Pneumatic connection
DANGER!
Risk of injury from high pressure in the system!
• Before disconnecting 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 authorized for the indicated pressure
and temperature range.
• Observe the data sheet specifications from the hose
manufacturers.
8.4.1. Control air connections
Order no.
903383
The 45° angle connection, which can be ordered
separately, is recommended for the control air
connection!
In this case the free-moving hose length should be
min. 250 mm.
If the hose length is shorter, the durability and
function of the plug-in coupling will be impaired!
If a straight control air connection is used, the free-
moving hose length should be min. 400 mm.
If the hose length is shorter, the durability and
function of the plug-in coupling will be impaired!
Risk of crushing!
• Due to the risk of crushing, a 90° control air con-
nection must not be used!
english
Type 2000 INOX