Safety Group 645/FN40

Parallel connection from 2 and 4 Flashback Arrestors model FN40.
WITT Safety groups for reliable protection against decomposition of acetylene. For applications with high flow rates. Every safety group 100% tested.

Benefits

• a large surface area flame arrestor FA of stainless steel construction:

     - stops dangerous decomposition of acetylene independent from flow direction
     - 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

Operation / Usage

• as a Decomposition Arrestor for acetylene in medium pressure pipe-lines for protection from cylinder equipment and bundles according to DIN EN ISO 14114
• as a Decomposition Arrestor to protect pipelines in supply systems
• WITT safety groups may be mounted in any position / orientation
• the maximum ambient / working temperature is 60 °C / 140 °F

Maintenance

• it is recommended that an annual body leakage test is performed
• safety groups are only to be serviced by the manufacturer

Options

• flange end connections (nominal diameter 32 - 65)
• connection: two-sided female thread (G-; NPT-thread; Rc-thread)

Approvals
Company certified according to ISO 9001and PED 2014/68/EU Module H
CE-marked according to PED 2014/68/EU