supply of flash arrestor (dry type) for regulator end oxygen lines to prevent flash backflash arrestor (dry type) for regulator end oxygen lines to prevent flash back,flash arrestor (dry type) for regulator end oxygen lines to prevent flash bac k in oxy fuel system conforming to en 730/iso 5175-1/15 11006 standards with flame arrestor (fa) and non-return valve(nrv) and thermal cut off valve(tv) working pressure 15 bar end connection g 3/8%u201d rh to en 560/iso 3253 standards. make -messer (dgn oxy) or gce (fr-3 4 r oxy) or witt (oxygen rf53n) only. note: 1) offers on oems or their authorised dealers en closing valied authorised dealership clarification on will be considered. 2) the suppliers s hall send test certification from govt. authorised test house in case of international bran d. the test certificate from reputed institute like bam germany is mandatory. 3) the supplier should have equipment for testing of flash back arrestors and calibration. [ warranty peri od: 30 months after the date of delivery ] ] senior section engineer maharashtra 30.00 set