supply of set of items for modification of trap chamber for wag7 locoset of items for modification of trap chamber for wag7 loco,set of items for modification of trap chamber of wag7 loco as per ms -0463 , set consisting of (1 ) m.s.heavy duty union tee 3/4 inch ,qty : 100 nos, (2) m.s.heavy duty elbow 3/4 inch ,qty : 100 nos, (3) m.s. heavy duty socket 3/4 inch ,qty : 100 nos, (4) m.s.heavy duty nipple 3/4 inch- 5 inch length ,qty : 100 nos,(5) m.s.heavy duty nipple 3/4 inch- 4 inch length ,qty : 100 nos, (6) m.s.dummy plug 3/4 inch,qty : 100 nos (7) m. s.heavy duty pipe socket union, size:1/2 inch ,qty : 20 nos, (8) m.s.heavy duty pipe socket union, size:3/8 inch ,qty : 20 nos,(9) m.s.heavy duty pipe socket union, size: 3/4 inch ,qty : 20 nos.note: one sample to be approve d before bulk supply. [ warranty period: 30 months after the date of delivery ]