supply of plate/washer of excess flow check valve as per drg. no. v-a3-001, item no. 05 of m/s, arieckal industries or cc/ex/95-01 rev.01 of m/s, chandra & co. or similar.plate/washer of excess flow check valve as per drg. no. v-a3-001, item no. 05 of m/s, arieckal industries or cc/ex/95-01 rev.01 of m/s, chandra & co. or similar.,plate/washer of excess flow check valve as per drg. no. v-a3-001, item no. 05 of m/s, arieckal industries or cc/ex/95-01 rev.01 of m/s, chandra & co. or similar. [ warranty peri od: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]