procurement of various spares of different fire extinguishers for sgtps mppgcl birsinghpur- 1 9 ltrs. mechanical foam fire extinguisher ( gas cartridge type ) with squeeze grip piercing mechanism and internal anti corrosive treated ( not powder coating ) conforming to is: 15683 and ist mark with initial charger and all accessories. 2 co2 gas cartridge of 60 gm capacity 3 safety pin 4 discharge hose pipe with nozzle 5 cap washer ( rubber ) / o-ring 6 siphon tube 7 discharge pipe washer ( rubber ‘o’ ring 8 superior quality high pressure hose with non conductor horn fitted with adopter suitable for 6.8 kg capacity co2 fire extinguisher as per is 2878-1976. hose shall have minimum bursting pressure of 140 kg / cm2. the length of hose pipe shall be 1.5 mtr. 9 superior quality high pressure hose with non conductor horn fitted with adopter suitable for 4.5 kg capacity co2 fire extinguisher as per is 2878-1976. hose shall have minimum bursting pressure of 140 kg / cm2. the length of hose pipe shall be 1 mtr. 10 carrying unit with rubber tyre wheel for 6.8 kg. capacity co2 type fire extinguisher with nut & bolt as per is 2878-1976. 11 leather washer for co2 for extinguisher discharge tube. 12 safety pin with plastic holder for co2 fire extinguisher 13 “how to use co2 fire extinguisher” sticker of plastic which can be paste on cylinder