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