supply of purchase of kit of spares for ep valve etc.purchase of kit of spares for ep valve etc., kit of spares for ep valve type nc4 consisting of seven items. sl no 01 ] upper valve body, qty per set 01 no. 02 ] valve, qty per set 01 no. 03 ] lower valve body, qty per set 01 no. 04 ] rod 1.8 x 30 len gth , qty per set 01 no. 05 ] copper washer, qty per set 01 no. 06 ] nylon spindle, qty per set 01 no. 07 ] spring , qty pet set 01 no as per clw drg no.4twd.111.118 alt-14 [ alt.-nil for sheet no.11 ] and alt.-1 for sheet no.1 8, 19 and alt-2 for sheet no 20 and 21 to spec qap format, 4tes.111.018, alt-3. [ warranty period: 30 months after the date of delivery ]