supply of miscllenious items required for maintenance of different rli scheme under bankura-i ( a-m ) sub-division under bankura ( a-m ) division. , non return valve 150 mm dia ( ci ) , flanged ends & swing type ( is 5312 a-1 / 2004 ( conforming to ) , 150 mm dia. h type shore manifold ( 2 in x 2 out ) manufactured by 150mme.r.w. pipe both ends plain conforming to isi number 3589 / 2001 with latest amendments thereof ( 4.8 mm wall thickness ) and weldded 150mm dia ms slip-on flange conforminmg to isi 22mm thick. with 8 nos of drilled holes of 22mm dia usually spaced in off centre as per sample, assembled as per drawing. , 300 mm dia ms 90 degree bend both end flanged duly isi marked with coating. , ci top cover plate for 150 mm dia alfa alfa valve , 150 mm dia rubber insertion ( as per sample ) 5 mm thick, 2ply, as per is 638 / 79 with latest amendments with 6 nos. hole ( table-17 ) , 10 mm gland packing as per sample , 6305 ball bearing ( tata make ) , supply & delivery of black pvc electrical insulation tape