This service entrance box is designed for outdoor delivery of liquid gas supplies. It corresponds to DIN 4811 Version 3b. Contents include the pressure regulator of the 2nd stage, the gas meter as well as fittings in a wall-mounting cabinet. The upstream pressure regulating unit, the 1st stage, acc. to DIN 4811 Version 3a, is preset to an exit pressure of 0,7 bar.
Mounted onto back-plate.
After the back-plate has been mounted on the wall (screws and rawlplugs provided) the cabinet is added and fixed in position with 4 screws.
1 |
Entrance port/exit port |
|
Choice of: Threaded pipe connection |
|
Solded coupling |
|
Press coupling |
|
(Viega Profipress G) |
2 |
Electrical interface |
|
Isolator (DVGW-certified) |
3 |
Testing “T” piece |
|
Choice of: Complete with BETA-Micro-Test gas measurement connection (DVGW-certified) |
4 |
Ball valve (DVGW-certified) |
5 |
SAV safety stop-cock (type 869) (DVGW-certified) |
6 |
Angled testing port (pre-pressure) |
7 |
ND pressure regulator (type NDR 320) |
|
(DVGW-certified) |
8 |
Threaded pipe connection |
9 |
Standard gas pipe |
10 |
Swivel screw connector |
11 |
Gas meter retainer plate |
12 |
Gas meter (DVGW-certified) |
13 |
Threaded pipe connection |
14 |
Ball valve (DVGW-certified) |
* see image with Pos.Nos.