Set of return & fresh air filter(4 nos. return air filter and 4 nos. fresh air filter ) for lhb type ac coaches, conforming to rdso spec. no. rdso/pe/spec/ac/0055-2003 (rev.2) with drg no. rdso/pe/sk/ac/0073-2004 (rev-1) and rdso/pe/sk/ac/0074-2004,(rev-1) or latest.

Fresh air filter for lhb rmpu, with aluminium frame of size 495 mm [l] x 260 mm [w] x 12.5 mm [t], conforming to rdso specification no. rdso/pe/spec/ac/0055-2003 (rev-2) and as per rdso drawing no. rdso/pe/sk/ac/0074-2004 (rev-1), suitable for use in lhb variant rmpu type ac coaches.

Kit of must change filter, suitable for use in conventional & garib rath rmpu ac coaches, confirming to rdso specification no. rdso/pe/spec/ac/0055-2003(rev.2)-2014 and kit of filters confirming to rdso drawing no. rdso/pe/sk/ac/0057-2003 (rev.2) sheet 1 of 2. the each kit of filter consist of (i) fresh air filter size -260 +/- 2 x 230 +/- 2 x 60 +/- 2 mm = 04 nos. (ii) return air filters size- (a) 620 +/- 2 x 460 +/- 2 x 50 +/- 2 mm = 01 no. (b) 550 +/- 2 x 500 +/- 2 x 50 +/- 2 mm = 03 nos.

Bellow duct assembly complete, made of meta aramid/para aramid fabric with silicon rubber coating on both sides with metallic frames & fire retardant edpm gasket on both sides. 2 nos. each for fresh air & return air and 01 no. for supply air per rmpu as per rdso spec. no: rdso/pe/spec/ac/0197- 2020 ( rev-1 ) and drg. no. rdso/pe/sk0069-2004 ( rev-3 ) or latest for rmpu of lhb ac coaches.

Dry type fresh air filter (type-1), size-495x260x12.5mm suitable for lhb variant ac coaches, conforming to rdso specn. no. rdso/pe/spec/ ac/0055-2003 (rev.3) and drg. no. rdso/pe/sk/ac/0074-2004 (rev. 1)

Blower motor suitable for roof mounted packaged ac unit for electrical locomotive as per rdso spec no rdso/2007/el/spec/0055, rev-2 or latest.

Procurement of fresh air filter media and return air filter media for hvac units of rs 08 trains

Blower motor for roof mounted packaged ac unit of electric locomotives, type: aom, 0.12kw, supply 415v ac +/- 10 percent , 3-phase, 0.4 amps, rpm 1350, star connection, reference is: 325, freq. 50hz, as per rdso spec. no. rdso/2007/el/spec/0055, rev.- 2 with latest if any. make: lhp or star electric. specification :- - rdso spec. no. rdso/2007/el/spec/ 0055, rev.-2

Supply of air bellow duct set, each set of air bellow ducts consisting of : 01 no of supply air bellow duct, 02 nos. of fresh air bellow ducts & 2 nos return air bellow ducts. the bellow ducts should be made of meta aramid/para aramid fabric with silicon rubber coating on both sides and the metallic frames at both ends of the ducts i.e. rmpu side & coach shell side, shall be as per rdso specification no. rdso/pe/spec/ac/0197-2020 (rev.-1) & rdso drawing no. rdso/pe/sk/ac/0069-2004 (rev.3), sui

(i) compreg plywood 12x1220x3050mm (both side plain), as per drawing/specification: rdso spec c-9407 type ii rev.4. (ii) compreg plywood 8x1220x2960mm (both sides plain), as per drawing/specification: rdso spec c-9407 type ii rev.4.