Gas Regulation Station Casing - Honeywell COCON 26 DRA-LP/MP Maintenance And Assembly Manual

2.5 Gas Regulation Casing
The safety shut-off valve (02.03) and the dust filter (02.09 Pos.37) are mounted under this casing.
Assembly
- Place the valve seat holder (24) with the smallest diameter facing upwards.
There are three grooves on the top of the valve seat holder. The topmost groove is for a lock ring (55); the
other two grooves are seal ring grooves.
- Place the two seal rings (53) into the seal ring grooves on the top of the valve seat holder.
- Turn over the valve seat holder.
- Place the seal ring (50) into the groove of the top of the valve seat holder.
- Secure the seal ring with a valve cup (60).
- Slide the diameter of the valve seat holder through the hole in the middle of the gas regulation
casing. The valve seat holder frame is located on the gas regulation casing
- Place the gas regulation casing to one side.
- Secure the valve seat holder with a lock ring (55) at the lower end of the gas regulation casing.
- Fasten the seal ring (71) in the groove on the interior of the valve guide (66).
- Place a seal ring (41) into the groove on the exterior.
- Slide the valve guide into the middle of the gas regulation casing.
- Close the valve guide with a lock ring (42).
- Place the gas regulation casing with the largest diameter facing upwards.
- Place the spring pins (13) onto the hole with ø6.
- Place a seal ring (14) into the area around the spring pins.
- Place seal rings (15) into the two grooves in the largest diameter of the
gas regulation casing.
Maintenance and assembly manual underground gas pressure reducing station
Maintenance manual
Honeywell
Type: COCON26 DRA-LP/MP A/S
page 11