Serving the gas industry worldwide
Technical data: | |
max. operating pressure pmax | up to 25 bar |
setting ranges Wds | 0,030 bar to 2,0 bar |
valve seat diameter | – measuring unit 0: 3 mm
– measuring unit 1 and 2: 25 mm |
connections | PN 4 – internal thread G 1
PN 16 and PN 25 – screw connections without brazing to DIN 2353, for outside pipe dia. 12 mm (measuring unit 0), for outside pipe dia. 28 mm (measuring unit 1 and 2) |
venting of spring chamber | as a leakage relief valve: internal venting through discharge line as a main safety device: seperate connection of vent line with outside pipe dia. 12 mm |
materials | forged aluminium alloy/cast aluminium main valve alloy spring housing steel diaphragm NBR valve sealing FKM |
ambient temperature | -15°C to +60°C |
function and strength | acc. to DIN 3381 |
din-dVGW-reg.-no. | NG-4305AS0583 |
ce mark according to ped | 8 |
ex protection | Since the device is not fitted with potential ignition sources of its own, it is not subject to ATEX 95 (94/9/EG) regulations (all used electronic accessories meet ATEX requirements). |
adjustable ranGe (mbar) | |||
setpoint spring
no. colour |
measuring unit 0 | measuring unit 1 | measuring unit 2 |
1 grey | 30 to 45 | 5 to 30 | |
2 yellow | 35 to 100 | 15 to 75 | |
3 ivory | 80 to 200 | 40 to 150 | |
4 bright red | 150 to 300 | 75 to 200 | |
5 green | 250 to 400 | 100 to 300 | 200 to 600 |
6 light blue | 300 to 500 | 150 to 400 | 300 to 800 |
7 dark blue | 450 to 1000 | 200 to 1000 | 400 to 2000 |
Response precision CateGory: | |
measuring unit 0 |
AG 5 for pd < 50 mbar
AG 2,5 for pd = 50 .. 100 mbar AG 1 for pd > 100 mbar |
measuring unit 1 |
AG 10 for pd < 50 mbar
AG 5 for pd = 50 .. 100 mbar AG 2,5 for pd > 100 mbar |
measuring unit 2 |
AG 5 for pd < 400 mbar AG 2,5 for pd ≥ 400 mbar |