
Please find below all downloads concerning gas safety equipment. In addition to spec sheets there are also brochures and videos where applicable.
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A safe central gas supply
Witt product overview
>>US Version
85-20 - spec sheet
Flashback Arrestors according to EN730 / ISO5175-1 against backfeeding of gases and flashbacks
>> US data sheet
RF53N, -DN, -NU, -U, -NSK - spec sheet
Flashback arrestors according to EN730-1 / ISO5175 against backfeeding of gases and flashbacks
85-10U/NU, 85-30 - spec sheet
Flashback Arrestors according to EN730 / ISO5175-1 against backfeeding of gases and flashbacks
Super 55, Super 85 - spec sheet
Flashback arrestors according to EN730 / ISO 5175-1 against backfeeding of gases and flashbacks
Super 78, -90, -66 - spec sheet
Flashback arrestors according to EN730 / ISO 5175-1 against backfeeding of gases and flashbacks
E460 -1, -2, -3, SK - spec sheet
Flashback Arrestor according to EN730 / ISO5175-1 against backfeeding of gases and flashbacks
SK100 - spec sheet
Hose coupling according to EN561
NV100-200
Non-return valves
70/70U - spec sheet
Non-return valves
NV300-400 - spec sheet
Non-return valves
NV800, 2000 - spec sheet
Non-return valves
800-ES - spec sheet
Non-return valves
Connection: 1/4''
270N/NU and 623N/NU - spec sheet
Flashback Arrestors according to EN730/ISO 5175-1 for protection against backfeeding of gases and flashbacks
SV805, 805A, 0,5 - 45 bar
Safety relief valves up to 45 bar
(approx. 653 psi), steel or stainless steel
RF53N-ES, F53N-ES - spec sheet
Stainless steel flashback arrestors according to EN730 / ISO 5175-1 against backfeeding of
gases and flashbacks
RF85-10N-ES, F85-10N-ES - spec sheet
Stainless steel flashback arrestors according to EN730 / ISO5175-1 against backfeeding of gases and flahsbacks
F100N-ES - spec sheet
Flashback arrestors according to EN730 / ISO 5175-1 stainless steel for hydrogen up to 17 bar
NRV 600, 338, 339 ES - spec sheet
Stainless steel non-return valves
FN12 and FN40 - spec sheet
Decomposition Arrestors for acetylene
HDS17 - spec sheet
Automatic quick acting shut-off device for acetylene
Test rig 722 and clamb 743 - spec sheet
For testing Flashback Arrestors and non-return valves
622, 77, 625 - spec sheet
Gas filters
807, 57 - spec sheet
High purity filters
ADR150 F
Spring-loaded pressure regulator for acetylene, range up to 150m3/h (approx. 5296 SCFH)
ADR 150 - spec sheet
Gas flow control pressure regulator for acetylene, range up to 150m3/h (approx. 5296 SCFH)
Ball Valves - spec sheet
for technical gases
Pressure regulating station 684NG / 386N manual - spec sheet
up to 10 m3/h (353 SCFH) / 30 m3/h (1059 SCFH) for acetylene according to ISO 14114
Pressure regulating station 150N manual - spec sheet
up to 150 m3/h (approx. 5296 SCFH) for acetylene
Pressure regulating station 684NG/386N/386NPL manual-spec sheet
up to 75 m3/h (2648 SCFH) / 200 m3/h (7062 SCFH) for O2, fuel and inert gases
Pressure regulating station 386NPL manual - spec sheet
up to 200 m3/h (7061 SCFH) for O2, fuel gas, inert gas and neutral gases up to 30 m3/h (1059 SCFH) for acetylene
Pressure regulating station 684NGA automatic - spec sheet
up to 10 m3/h (approx. 353 SCFH) for acetylene according to ISO 14114
Pressure regulating station 684NGA automatic - spec sheet
up to 75 m3/h (approx. 2648 SCFH) for O2, fuel and inert gases
WITT-SWITCH - spec sheet
Control Unit for pressure regulating stations
Pressure regulating set
For mounting in pipeworks
AV815 for acetylene - spec sheet
Safety relief valve for acetylene. To be used in conjunction with manifold pressure regulator according to DIN EN ISO 7291
AV619, from 0.005-0.5 bar - spec sheet
Safety relief valves for pressures 0.005 (0,7 psi) up to 0.5 bar (7 psi) , in brass or stainless steel
Dome pressure regulator - spec sheet
For mounting in pipe-works.
Regulating from 100 mbar (1,5 psi) up to 60bar (870 psi) , US-Version
RF85-30N-ES / -H-ES - spec sheet
Flashback Arrestors according to ISO5175-1 against backfeeding of gases and flashbacks
>> US data sheet
Lance Holder for oxygen - spec sheet
6 mm - 1.1/4"
Compact Lance Holder - spec sheet
1/4" - 1/2"
Safety valve for lance holder - spec sheet
Connection 3/4" up to 1.1/2"
Shut-off valve for Oxygen - spec sheet
Connection 1/2" up to 1.1/2"