procurement of various erosion protection sleeves for hp tubes of boiler of unit no.10 and 11 stps sarni. procurement of various erosion protection sleeves for hp tubes of boiler of unit no.10 and 11 stps sarni. , erosion protection shield (sleeve) for arch tubes of boilermaterial- ss316size l-1000, d-80, d-76 , b-05(as per enclosed drawing no. bmd-iv/004a/item no. 1) bin code -91604813348-01 , erosion protection shield (sleeve) for h.p. tube [economizer]material- ss316size l-1000, d-48, d-44, b-05(as per enclosed drawing no. bmd-iv/004a/item no. 2) bin code-05512010027-01 , erosion protection shield (sleeve) for h.p. tube [ltsh]material- ss316size l-1000, d-51.5, d-47.5, b-05(as per enclosed drawing no. bmd-iv/004a/item no. 3) bin code-05524100046-01 , erosion protection shield (sleeve) for extended sh tubes of boiler material- ss316size l-1000, d-46, d-42 , b-02(as per enclosed drawing no. bm/4/item no. 4)bin code-91604819872-01 , 90° protection sleeve (outer) for economizer coils for tube size ø 44.5mm material - ss316 (as per enclosed drawing no. bmd-iv/001/item no. 5) bin code-05512010003-01 , 90° protection sleeve (outer) for ltsh coils for tube size ø 47.63mm material - ss316 (as per enclosed drawing no. bmd-iv/002 /item no. 6) bin code-05524100034-011 , 90° protection sleeve (inner) for economizer coils for tube size ø 44.5mm material - ss316 (as per enclosed drawing no. bmd-iv/001/item no. 7) bin code- 05512010015-01 , 90° protection sleeve (inner) for ltsh coils for tube size ø 47.63mm material - ss316 (as per enclosed drawing no. bmd-iv/002/item no. 8) bin code-05524100046-01