bids are invited for discharge tube discharge_tube_of_dcp_25_kg , discharge_tube_of_dcp_09_kg , suction_washer_100_mm , suction_washer_140_mm , safety_clip_5-6_kg_dcp_with_chain , discharge_tube_with_horn_of_co2_22.5_k , co2_propellant_container_tube_dcp_25k , discharge_tube_container_washer_co2_ext , hydrant_washer_63mm , wahser_for_mechanical_foam_extinguisher , cap_assembly_washer_of_dcp_09_kg , switch_grip_type_cap_washer_for_extingui , hose_for_foam_type_fire_extin_9_lit , hose_for_water_type_fire_extin_9_lit , hose_discharge_for_6kg_dcp_extinguisher , hdp_horn_with_hose_f_c02_6.8_kg_ext , horn_with_hose_f_4.5_kg_c02_fire_extingu , washer_rubber_f_cap_extinguisher_5kg , washer_rubber_f_cap_extinguisher_9ltr , safety_pin_ss_f_fire_extinguisher , hand_wheel_f_extinguisher_dwn_fb-13-001 discharge tube of dcp 25 kg: discharge hose shall be of braided rubber or pvc of nominal bore 19 mm diameter fitted with not less than 3 m in case of 25 kg; 5 m in case of 50 kg and 75 kg length of hose. the hose shall have bursting pressure of not less than 50 kgfcm2.specification should be as per is:10658:1999 (reaffirmed:2004), discharge tube of dcp fire extinguisher 09 kg capacity as per is specification., suction washer 100 mm is required for priming purpose, suction washer 140 mm: where 1 28rubber is used for washers, it shall conform to , first - aid hose - reel for fire fighting as per is 884 total quantity : 6800