Burkert Type 2002 - Manual (Page 19)

19
Assembly
8.2. Before installation
• Any installation position is possible, preferably with actuator face up.
• Before connecting the valve, ensure the pipelines are flush.
• Observe direction of flow (see type label).
8.2.1. preparatory work
→
Clean pipelines (sealing material, swarf, etc).
devices with welded body:
Removing the actuator from the valve body:
→
Clamp valve body into a holding device.
note!
damage to the seat seal or the seat contour!
• When removing the actuator, ensure that the valve is in the
open position.
→
Control function A and I:
Pressurize lower control air connection with compressed air
(5 bar): Valve opens.
→
Place a suitable open-end wrench on the wrench flat of the nipple.
→
Unscrew the actuator off the valve body.
devices with socket body:
→
Do not remove actuator unless this is a customer-specific
requirement.
8.3. installation
Warning!
risk of injury from improper installation!
Assembly with unsuitable tools or non-observance of the tight-
ening 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”).
devices with approval in accordance with din en 161
In accordance with DIN EN 161 "Automatic shut-off valves for gas
burners and gas installations" a dirt trap must be connected upstream
of the valve and prevent the insertion of a 1 mm plug gauge.
8.3.1. installing the body
Welded body:
→
Weld valve body in pipeline system.
Other body designs:
→
Connect body to pipeline.
english
Type 2000/2002