supply of belt feeder for raw coal feeder of 5x200mw units, btps, obra, sonebhadra, u.p. , vulcanized endless rubber belt feeder for raw coal feeder (type of r.c. feeder: 24, model-gf27) specifications: 1. length: 5025mm±20 mm (inner circumference: 5045 to 5005) 2. width: 830mm ±4mm 3. total thickness: 7.1 mm (tolerance allowed upto 0.4mm) 4. top cover: 3.00 mm (tolerance allowed upto ±0.2mm) 5. bottom cover: 2.00 mm (tolerance allowed upto ±0.2mm) 6. grade: m 24 as per is 1891/1991 (part-i) 7. tensile strength: minimum 400 kn/m width (in wrap direction) 8. adhesion strength between plies: min. 4-5 kn/m width 9. adhesion strength between cover & ply: min. 3-5 kn/m width 10. surface hardness in rubber cover specimen: 65 ±5 shore a 11. abrasion resistant: the abrasion loss must be maximum 150 mm³ when abrasion test is conducted as per is:3400-3 12. working temperature: 80 ± 10°c 13. maximum instantaneous temp.: 200°c 14. self-life: min. 02 years 15. no of plies: 03 16. skirting: 45 mm high skirting on both sides, 45 mm wide at base, 18 mm wide at top, 06 mm high projection is at the center the length inside the belt.