Flashback Arrestor 623N/NU | wittgas.com

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Flashback Arrestor 623N/NU

Flashback Arrestor 623N

Flashback Arrestor 623NFlashback Arrestor 623N
Witt Flashback Arrestor 623nu Fuel GasesWitt Flashback Arrestor 623nu Fuel Gases
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Data sheet Quotation request

Flashback arrestor, certified to DIN EN ISO 5175-1 for maximum flows

  • highest quality from the world market leader
  • safety elements: flame arrestor [FA], non-return valve [NV], temperature-sensitive cut-off valve [TV]
  • every arrestor 100% tested
  • with DVGW approval
  • 62 X 184-195 mm, 1.800-2.001 g
  • fuel gases max. 406 m³/h (free flow-off)
  • air max. 335 m³/h (free flow-off)

Information

WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordacne with DIN EN ISO 5175-1. Every Arrestor 100% tested.

The best Flashback Arrestors in the world

  • a large surface area flame arrestor FA of stainless steel construction extinguishes any dangerous flashback entering the device in any direction
  • a temperature-sensitive cut-off valve TV extinguishes sustained flashbacks long before the internal temperature of the arrestors reaches a dangerous level
  • a spring-loaded non-return valve NV prevents slow or sudden reverse gas flow forming explosive mixtures in the gas supply

Operation / Usage:

  • Flashback Arrestors are used to protect gas cylinders and pipeline outlet points (hoses and any equipment)
  • also in thermal processing systems against dangerous reverse gas flow and flashbacks
  • WITT Flashback Arrestors may be mounted in any position /orientation
  • the maximum ambient / working temperature is 70 °C / 158 °F

Maintenance:

  • annual testing of the non-return valve, body leak tightness and flow capacity is recommended
  • WITT is happy to supply special test equipment
  • Flashback Arrestors are only to be serviced by the manufacturer

Approvals
Company certified to ISO 9001 and PED 97/23/EC Module H
CE-marked in accordance with PED 97/23/EC

Downloads

Here you find all downloads for the product.

Accessories

Pipeline Fittings

Pipeline Fittings

For flashback arrestors models 270N/NU and 623N/NU, as well as non-return valve model 70

Test Rig 722

Test Rig 722

For the annual testing of WITT flashback arrestors and non-return valves

Applications

Flashback Arrestor 623N/NU is used in following areas:

Products

WITT Zentrale

Give us a call!

Headquarters: +49 (0)2302-8901-0
WITT UK: +44 (0)1925 234466

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