tender for flash back arrestor(dry type) for torch end of acetylene/lpg lines toprevent flash backs in oxy fuel system conforming to en 730/iso 5175-1/is 11006standards with flame arrestor(fa) and non return valve(nrv) working pressure: 1.5bar for acetylene/5.0 bar for lpg. end connections g 3/8 lh to en 560/iso 3253standards. make: messer(cg-91 fuel) or esab(fr-18) or gce(fr-20t fuel) only. note:1)offers of oems or their authorised dealers enclosing valid authorised dealershipcertificate only will be considered. 2) the suppliers shall send test certificatefrom govt. authorised test house. in case of international brand, the testcertificate from reputed institute like bam, germany is mandatory. 3) the suppliersshould have equipments for testing of flash back arrestors and calibration. thepurchaser has the right to inspect these installations. specn: en 730/iso 5175-1/is 11006 .
