Commissioning; Installation Of Valve - Burkert 2000 Instructions De Service

COMMISSIONING

Installation of valve

Mounting position: any; preferentially with the actuator oriented upward.
➔ Install in accordance with the flow direction.
CAUTION!
Procedure for installing the valve:
➔ Connect the valve. Make sure the pipe run is correctly oriented.
➔ VA/VS body w/ weld ends: Disassemble and remove actuator before welding.
➔ Threaded body: Only disassemble the actuator if required by customer.
Instructions for actuator disassembly and assembly
Disassembly:
➔ Depressurize the valve seat before the removing and reassembly.
➔ Control function A: Turn on the actuator or release the tension of the return
spring by removing the actuator cover.
➔ Control function B or I: Switch off the pilot pressure.
➔ Screw the threaded nipple out from the body.
Assembly:
➔ Only for the stainless steel body: Grease the nipple threads with a suitable
lubricant.
➔ Screw the threaded nipple and the actuator into the body.
Devices with Approval DIN EN 161: According to DIN EN 161 "Automatic Shut-
off Valves for Gas burners and Gas appliances", a dirt trap must be connected
upstream of the valve. The dirt trap must prevent the penetration of
a 1 mm test mandrel. In order to maintain approval, also with stainless steel
housing, the user is requested to install such a dirt trap upstream of the valve.
In all cases, remove all contamination from the piping (excess
sealing material, metal debris, etc.).
2000/2002 - 11