supply of encased type rotary google valve assly and its spares supply of encased type rotary google valve assly. and its spares , supply of encased type rotary google valve assly. and its spares as per tdc: tos:bfg:003 and its enclosures inspection: as per tdc i. specification no. inst-pr-97-110-001 rev.no.a (1 sheets) ii.tos: bfg:003/rev.01 (4 sheets) iii. tos:goggle:006b/rev:02(6 sheets) iv) controls & instruments (2 sheets) v)coke oven gas composition(bsp) vi) technica pre-qualification requirement for google valves note: vendor shall supply materials for each unit, with items separated and packed individually by enquiry line items (as per boq) in separate boxes. the vendor must provide a packing plan to facilitate obtaining du numbers from bhel. these du numbers shall be clearly marked on the respective boxes. , encased type rotary google valve assly as per tdc: tos:bfg:003 and its enclosures unit-i , spares as per tdc: tos:bfg:003 as per tdc: tos:bfg:003 and its enclosures unit-i , encased type rotary google valve assly as per tdc: tos:bfg:003 and its enclosures unit-ii , spares as per tdc: tos:bfg:003 as per tdc: tos:bfg:003 and its enclosures unit-ii , encased type rotary google valve assly as per tdc: tos:bfg:003 and its enclosures unit-iii , spares as per tdc: tos:bfg:003 as per tdc: tos:bfg:003 and its enclosures unit-iii