supply of air filter and regulator, isolating cock,fitting straight connectorair filter and regulator, isolating cock,fitting straight connector,preset air filter and regulator 1/4 inch at 3 bar pressure with bracket and fasteners designed for pre ssurised flushing system; part:spac.0018577; make: spac or similar. [ warranty period: 30 months after the date of deliver y ] ] , ferrule connector for air line (applicable ss tube size 3/8 and 1/4 bsp male thread) in pneumatic line designed for pressurised flushing system item code con.0002597 [ warranty period: 30 months after the date of delivery ] ] , angle seat valve-3/4 inch, designed for electro pneumatic pressurised flushing system (eppfs) confirming to specification no. mmdts 19027. rev.03 (or latest), spac item code: spac.0011042. accepted make: spac or similar. [ warra nty period: 72 months after the date of delivery ] ] , 5/2 push pull spring return valve-1/4 (with mounting brackets, knob, connectors, fasteners) designed for pressurized flu shing system as per mmdts 19027. rev. 03 or latest. spac.0011437. accepted make/brand: spac or equivalent make functio nally compatible in pressurised flushing system. [ warranty period: 30 months after the date of delivery ] ] , isolating cock (1/4 bsp with both end female thread) in pneumatic line designed for pressursed flushi ng system, as per mdts 19027. rev.03. item code spac.0000641 make: spac or equivalent make functionally compatible in ressurised flushing system of indian railway coaches fitted with pressurized flushing system of spac make. [ wa rranty period: 30 months after the date of delivery ] ] , 5/2 way single solenoid valve bsp 1/4 inch (with mounting 24vdc coil & without fittings) designed for p ressurised flushing system make: spac, product comply with iec61373, cat 2 & en50155 tested from nabl authorised lab [ warranty period: 30 months after the date of delivery ] ] , ss knob for spac.0011437 designed for pressurised flushing system as per mdts 1