Flashback Arrestor 623N/NU

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

highest quality from the world market leader
safety elements: flame arrestor [FA], check valve [NV], temperature-sensitive cut-off valve [TV]
every arrestor 100% tested
2.42 X 7.18- 7.61 inches, 72-80.04 oz
fuel gases max. 14,331 scfh (free flow-off)
air max. 11,825 scfh (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 check 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 60 °C / 140 °F

Maintenance:

annual testing of the check 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