Tender For Set Of Flash Back Arrestors, Tirupati-Andhra Pradesh

Supply Of Set Of Flash Back Arrestorsset Of Flash Back Arrestors, Set Of Flash Back Arrestor Consisting Of 4 Items ( 1 ) Flash Back Arrestor ( Dry Type ) For Torch End Of Acetylene / Lpg Lines To Prevent Flash Backs In Oxy Fuel System Conforming To En 730 / Iso 5175-1 / Is 11006 Standards With Flame Arrestor ( Fa ) And Non Return Valve ( Nrv ) Working Pressure: 1.5 Bar For Acetylene / 5.0 Bar For Lpg. End Connections G 3 / 8 Lh To En 560 / Iso 3253 Standards.Make: Messer ( Cg-91 Fuel ) Or Esab ( Fr-18 ) Or Gce ( Fr-20T Fuel ) Witt ( Lpg ) Model E460-3 ( 2 ) . Flash Back Arrestor ( Dry Type ) For Torch End Of Oxygen Lines To Prevent Flash Backs In Oxy Fuel System Conforming To En 730 / Iso 5175-1 / Is 11006 Standards With Flame Arrestor ( Fa ) And Non Return Valve ( Nrv ) Working Pressure: 15 Bar. End Connections G 3 / 8 Rh To En 560 / Iso 3253 Standards. Make: Messer ( Cg-91 Oxy ) Or Esab ( Fr-18 ) Or Gce ( Fr-20T Oxy ) Witt ( Oxygen ) Model E460-3 ( 3 ) .Flash Back Arrestor ( Dry Type ) For Regulator End Of Acetylene / Lpg Lines To Prevent Flash Backs In Oxy Fuel System Conforming To En 730 / Iso 5175-1 / Is 11006 Standards With Flame Arrestor ( Fa ) And Non Return Valve ( Nrv ) And Thermal Cut Off Valve ( Tv ) Working Pressure: 1.5 Bar For Acetylene / 5.0 Bar For Lpg. End Connections G 3 / 8 Lh To En 560 / Iso 3253 Standards. Make: Messer ( Dgn Fuel ) Or Esab ( Protex Ra ) Or Gce ( Fr-34 R Fuel ) Witt ( Lpg ) Model Rf53n ( 4 ) . Flash Back Arrestor ( Dry Type ) For Regulator End Of Oxygen Lines To Prevent Flash Backs In Oxy Fuel System Conforming To En 730 / Iso 5175-1 / Is 11006 Standards With Flame Arrestor ( Fa ) And Non Return Valve ( Nrv ) And Thermal Cut Off Valve ( Tv ) Working Pressure: 15 Bar. End Connections G 3 / 8 Rh To En 560 / Iso 3253 Standards. Make: Messer ( Dgn Oxy ) Or Esab ( Protex Ro ) Or Gce ( Fr-34 R Oxy ) Witt ( Oxygen ) Model : Rf53n Note: ( 1 ) Offers Of Oems Or Their Authorised Dealers Enclosing Valid Authorised Dealership Certificate Only Will Be Considered. ( 2 ) The Suppliers Shall Send Test Certificate From Govt. Authorised Test House. In Case Of International Brand, The Test Certificate From Reputed Institute Like Bam, Germany Is Mandatory. ( 3 ) The Suppliers Should Have Equipments For Testing Of Flash Back Arrestors And Calibration. The Purchaser Has The Right To Inspect These Installations. Specn: En 730 / Iso 5175-1 / Is 11006 ( 4 ) And Firm Should Supply All 4 Items Same Make

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Sl. No.	Item Description
1	Set Of Flash Back Arrestors
2	Set of flash back arrestor consisting of 4 items (1) FLASH BACK ARRESTOR(DRY TYPE) FOR TORCH END OF ACETYLENE/LPG LINES TO PREVENT FLASH BACKS IN OXY FUEL SYSTEM CONFORMING TO EN 730/ISO 5175-1/IS 11006 STANDARDS WITH FLAME ARRESTOR(FA) AND NON RETURN VALVE(NRV) WORKING PRESSURE: 1.5 BAR FOR ACETYLENE/5.0 BAR FOR LPG. END CONNECTIONS G 3/8" LH TO EN 560/ISO 3253 STANDARDS.MAKE: MESSER(CG-91 FUEL) OR ESAB(FR-18) OR GCE(FR-20T FUEL) WITT (LPG) MODEL E460-3 (2). FLASH BACK ARRESTOR(DRY TYPE) FOR TORCH END OF OXYGEN LINES TO PREVENT FLASH BACKS IN OXY FUEL SYSTEM CONFORMING TO EN 730/ISO 5175-1/IS 11006 STANDARDS WITH FLAME ARRESTOR(FA) AND NON RETURN VALVE(NRV) WORKING PRESSURE: 15 BAR. END CONNECTIONS G 3/8" RH TO EN 560/ISO 3253 STANDARDS. MAKE: MESSER(CG-91 OXY) OR ESAB(FR-18) OR GCE(FR-20T OXY) WITT (OXYGEN) MODEL E460-3 (3).FLASH BACK ARRESTOR(DRY TYPE) FOR REGULATOR END OF ACETYLENE/LPG LINES TO PREVENT FLASH BACKS IN OXY FUEL SYSTEM CONFORMING TO EN 730/ISO 5175-1/IS 11006 STANDARDS WITH FLAME ARRESTOR(FA) AND NON RETURN VALVE(NRV) AND THERMAL CUT OFF VALVE(TV) WORKING PRESSURE: 1.5 BAR FOR ACETYLENE/5.0 BAR FOR LPG. END CONNECTIONS G 3/8" LH TO EN 560/ISO 3253 STANDARDS. MAKE: MESSER(DGN FUEL) OR ESAB(PROTEX RA) OR GCE(FR-34 R FUEL) WITT (LPG) MODEL RF53N (4). FLASH BACK ARRESTOR(DRY TYPE) FOR REGULATOR END OF OXYGEN LINES TO PREVENT FLASH BACKS IN OXY FUEL SYSTEM CONFORMING TO EN 730/ISO 5175-1/IS 11006 STANDARDS WITH FLAME ARRESTOR(FA) AND NON RETURN VALVE(NRV) AND THERMAL CUT OFF VALVE(TV) WORKING PRESSURE: 15 BAR. END CONNECTIONS G 3/8" RH TO EN 560/ISO 3253 STANDARDS. MAKE: MESSER(DGN OXY) OR ESAB(PROTEX RO) OR GCE(FR-34 R OXY) WITT (OXYGEN) MODEL : RF53N NOTE:(1) OFFERS OF OEMs OR THEIR AUTHORISED DEALERS ENCLOSING VALID AUTHORISED DEALERSHIP CERTIFICATE ONLY WILL BE CONSIDERED. (2) THE SUPPLIERS SHALL SEND TEST CERTIFICATE FROM GOVT. AUTHORISED TEST HOUSE. IN CASE OF INTERNATIONAL BRAND, THE TEST CERTIFICATE FROM REPUTED INSTITUTE LIKE BAM, GERMANY IS MANDATORY. (3) THE SUPPLIERS SHOULD HAVE EQUIPMENTS FOR TESTING OF FLASH BACK ARRESTORS AND CALIBRATION. THE PURCHASER HAS THE RIGHT TO INSPECT THESE INSTALLATIONS. specn: EN 730/ISO 5175-1/IS 11006 (4) And firm should supply all 4 items same make