supply of valve assembly suction unloader elgivalve assembly suction unloader elgi,valve assembly inlet elgi part no. a070072 or equivalent suitable for trc 2507 air compressor for 1400 hhp demu dpc. [ warranty period: 30 months after the date of delivery ] ] , valve assembly discharge elgi part no. a070071 or equivalent suitable for trc 2507 air compressor for 1400 hhp demu dpc. [ warranty pe riod: 30 months after the date of delivery ] ] , valve assembly suction unloader elgi part no. a070073 or equivalent suitable for trc 2507 air compressor for 1400 hhp demu dpc. [ warra nty period: 30 months after the date of delivery ] ]