Flashback Arrestor 85-30

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

highest quality from the world market leader
safety elements: flame arrestor [FA], temperature-sensitive cut-off valve [TV], check valve [NV], filter on gas inlet
every arrestor 100% tested
BAM certified
3.3 X 6.38 inches, 162 oz
acetylene max. 2,471 scfh (free flow-off)
fuel gases max. 23,826 scfh (free flow-off)
oxygen max. 30,357 scfh (free flow-off)

This model is also available in Stainless Steel

Information

WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and
flashbacks according to 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 from forming explosive mixtures in the gas supply
a filter at the gas inlet protects the arrestor against dirt contamination, extending the service life

Operation / Usage:

Flashback Arrestors are used to protect gas cylinders and pipeline outlet points (hoses and any equipment) against dangerous reverse gas flow and flashbacks
for pipeline outlets and single cylinders with high users for example supply units for gas cutting machines
WITT Flashback Arrestors may be mounted in any position /orientation
only one piece of equipment may be connected to a single Flashback Arrestor
the maximum ambient / working temperature is 60 °C / 140 °F
gases: acetylene, town gas, natural gas, LPG, hydrogen, oxygen, compressed air, ethylene (more upon request)

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; the dirt filter may be replaced by competent staff

Approvals
Company certified to ISO 9001 and PED 2014/68/EC Module H
CE-marked in accordance with PED 2014/68/EC
Designed for Oxygen Service in accordance with EIGA 13/20, CGA G-4.4 and AIGA 021/20: Oxygen Pipeline and Piping Systems
Cleaned for Oxygen Service in accordance with EIGA 33/18, CGA G-4.1 and AIGA 012/19: Cleaning of Equipment for Oxygen Service

147-081

147-072

147-069

147-001

147-003

147-065

147-068