Burkert Type 2301 - Manual (Page 23)

23
Installation
Remove the actuator from the valve body.
→
Install collet (white grommet) in pilot air port 1.
note!
damage to the seat seal or the seat contour!
▶ When removing the actuator, ensure that the valve is in open
position.
→
Control function A pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
→
Using a suitable open-end wrench, place the wrench flat on the
pipe.
→
Unscrew the actuator from the valve body.
Actuator
Nipple
Valve body
Flats for open-end
wrench
Pilot air port
CFA, CFB, CFI
Exhaust air port
CFA, CFB
Pilot air port CFI
2
1
Install collet:
Fig. 9: Installation
Other device versions
→
Do not remove actuator unless this is a customer-specific
requirement.
→
Procedure see “Devices with welded body” .
8.3 installation
Warning!
risk of injury from improper installation!
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. 10: Tightening torques
of valve body / nipples”).
dirt trap for devices with authorisation 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.
english
Type 2301