supply of special maintenance kit double check valve for e 70 brake systemspecial maintenance kit double check valve for e 70 brake system,special maintenance kit double check valve for e 70 brake system as per ftrtpil part no. -790002209 consist of following 4 items:- (1) double check vlv w/piston ring, ftrtipl part no. f t0050398-329 - 01 no. (1.1) valve assly, ftrtipl part no. - 002122500 - 01 no., (i) valve (dia 60x 55 lg) , ftrtipl part no. - 002421000- 01 no., (ii) valve insert ftrtipl part no. - 002701000 - 0 2 no., (1.2) piston ring , ftrtipl part no. - 002421500 - 01 no., (2) joints (63.5 x 73 x 1 ) ftrtip l part no. - 002701500 - 02 nos. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitt ed: max 8 lacs ] ]