Flashback arrestors for flammable gases for installation at tapping points

According to EN 561 resp. ISO 7289

Safety criteria Max. performance Max. operating pressure Fitting length Inlet Outlet Type Code-No
  1. Non-return valve NV
  2. Flashback arrestors FA
  3. Temperature sensitive cut-off valve TV
Δp=p1:
at p1=1.5 barg: 8 Nm³/h
at p1=3.5 barg: 18 Nm³/h
Acetylene:
1.5 barg,
other flammable gases: 3.5 barg
102 mm
M(1)
G3/8″ LH
external thread
G3/8″ LH
THERMOMAT 4000 1301000

Δp=p1:
at p1=1.5 barg: 15 Nm³/h
at p1=3.5 barg: 36 Nm³/h
Acetylene:
1.5 barg,
other flammable
gases:
3.5 barg
148 mm
M(1)
G3/8″ LH
external thread
G3/8″ LH
THERMOMAT 8000 1800100

Δp=p1:
at p1=1.5 barg: 15 Nm³/h
at p1=3.5 barg: 36 Nm³/h
Acetylene:
1.5 barg,
other flammable
gases:
3.5 barg
165 mm
M(1)
G1/2″ LH
external thread
G1/2″ LH
THERMOMAT 8000
1805000

Δp=p1:
at p1=1.5 barg: 15 Nm³/h
at p1=3.5 barg: 36 Nm³/h
Acetylene:
1.5 barg,
other flammable
gases:
3.5 barg
108 mm
I(2)
G3/8″ RH
internal thread
G3/8″ RH
THERMOMAT 8000 1870000

Δp=p1:
at p1=0.1 barg: 3.7 Nm³/h
Flammable Gase:
0.1 barg
(min. operating pressure:
0.08 barg)
108 mm
I(2)
G3/8″ RH
internal thread
G3/8″ RH
THERMOMAT 8000 low pressure 1895100