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Flashback Arrestor 270NNU

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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
with DVGW approval
62 X 131-160 mm, 1.400-1.700 g
fuel gases (other than acetylene) max. 371 m³/h (free flow-off)
air max. 164 m³/h (free flow-off)

WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with EN 730-1 / ISO 5175. 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 70 °C / 158 °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 to PED 97/23/EC
  • flashback_arrestor_270n_623n_uk.pdf
    261 KB
    德国
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