Burkert Type 2012 - Manual (Page 16)

16
Installation
Type 2012
8.3 installation
Warning!
risk of injury from improper assembly!
Assembly with unsuitable tools or non-observance of the tightening
torque is dangerous as the device may be damaged.
▶ For installation use an open-end wrench, never a pipe wrench.
▶ Observe the tightening torque (see “Tab. 4: Tightening torques
of valve body / nipples”).
dirt trap for devices with authorization in accordance with
din en 161
In accordance with DIN EN 161 “Automatic shut-off valves for gas
burners and gas appliances” a dirt trap must be connected upstream
of the valve and prevent the insertion of a 1 mm plug gauge.
→
If the authorisation also applies to stainless steel bodies, the
same type of dirt trap must be attached in front of the globe
control valve.
8.3.1 installation of the valve body
Welded bodies
→
Weld valve body in pipeline system.
Other body versions
→
Connect body to pipeline.
8.3.2 install actuator (welded body)
Graphite seal
Fig. 18: Graphite seal
→
Check the graphite seal and if required, replace it.
Warning!
danger if incorrect lubricants used!
Unsuitable lubricant may contaminate the medium. In oxygen
applications there is a risk of an explosion!
▶ In specific applications, e.g. oxygen or analysis applications,
use appropriately authorised lubricants only.
→
Grease nipple thread before re-installing the actuator (e.g. with
Klüber paste UH1 96-402 from Klüber).
note!
damage to the seat seal or the seat contour!
▶ When installing the actuator, ensure that the valve is in open
position.
→
Control function A:
Pressurize lower control air connection with compressed air
(6 bar) so that the swivel plate is lifted off the valve seat and is
not damaged when screwed in.
english