supply of 1. filter cum regulator/pressure regulating valve (prv) fitted with internal and external gauge, mounting bolts, input pipe and all accessories as per annexure required for fitment of ckd make prv as per model no : w2000-10wm1 of m/s-ckd make suitable for m/s-aal make single bottle vcb , in place of existing prvs of other makes in aal make vcb2. air regulator (prv) with external gauge, mounting bracket & rear metal adaptor (fitted) suitable for schneider make vcb, ckd part no. r1000-8-w-t8 for fitment in schneider make vcb in place of other make prvs. , filter cum regulator/pressure regulating valve (prv) fitted with internal and external gauge, mounting bolts, input pipe and all accessories as per annexure required for fitment of ckd make prv as per model no : w2000-10wm1 of m/s-ckd make suitable for m/s-aal make single bottle vcb , in place of existi ng prvs of other makes in aal make vcb. [ warranty period: 30 months after the date of delivery ] ] , air regulator (prv) with external gauge, mounting bracket & rear metal adaptor (fitted) suit able for schneider make vcb, ckd part no. r1000-8-w-t8 for fitment in schneider make vcb in place of ot her make prvs. [ warranty period: 30 months after the date of delivery ] ]