procurement of spares for different type of fire extinguishers at sstpp, mppgcl, dongalia , discharge horn with tube & m.s. nut complete for replacement suitable for co2 fire extinguishers capacity 4.5 kg as per is 15683 , discharge horn with tube & m.s. nut complete for replacement suitable for co2 fire extinguishers capacity 9 kg as per is 2878. , discharge horn with tube & m.s. nut complete for replacement suitable for co2 fire extinguishers capacity 22.5 kg as per is 2878. , discharge tube with pvc nozzle complete for replacement suitable for dcp fire extinguishers cap. 6 kgs as per is 15683. , discharge tube with metallic nozzle complete for replacement suitable for dcp fire extinguishers cap. 50 kgs as per is code 10658. , discharge tube with nozzle complete for replacement suitable for water co2 fire extinguishers cap. 9 ltr. as per is 15683. , discharge tube with foam branch complete for replacement suitable for mechanical foam fire extinguishers cap. 9 ltr. as per is 15683. , discharge tube with foam branch complete for replacement suitable for mechanical foam fire extinguishers cap. 50 ltr. as per is 13386. , superior quality squeeze grip piercing mechanism gun metal cap with nickel chromium plated suitable for dcp fire extinguishers cap. 6 kgs with safety holes and in-out tubes complete for replacement. cap thread length 25 mm approx., cap id 75 mm approx. for fixing l.h.s. ( close ) gas cartridge as per is 15683. , superior quality squeeze grip piercing mechanism gun metal cap with nickel chromium plated suitable for water co2 fire extinguishers cap. 9 ltr with safety holes and in-out tubes complete for replacement. cap thread length 25 mm approx., cap id 75 mm approx. for fixing l.h.s. ( close ) gas cartridge as per is 15683. , superior quality squeeze grip piercing mechanism gun metal cap with nickel chromium plated suitable for mechanical foam fire extinguishers cap. 9 ltr with safety holes and in-out tubes complete for replacement. cap thread length 25 mm approx., cap id 75 mm approx. for fixing l.h.s. ( close ) gas cartridge as per is 15683. , superior quality gun metal cap with nickel chromium plated suitable for ( a ) mechanical foam fire extinguishers cap. 50 ltr with safety holes and in-out tubes complete for replacement as per is 10658 , superior quality gun metal cap with nickel chromium plated suitable for ( b ) dcp fire extinguisher cap.50 kg. with safety holes and in-out tubes complete for replacement as per is 10658 , aluminum valve operating wheel with washer nut suitable for co2 fire extinguisher cap. 4.5kg / 9kg / 22.5kg