hoerbiger make valves spares hoerbiger make valves spares , list of item ( s ) / work ( s ) as per tender documents , 1st stg dsch vlv augme p / n 2464.0233.040 , 1st stg suc vlv sprg augme. p / n 147013 , 1st stg dsch vlv sprg augme. p / n 147011 , 1st stg sv / dv rng setaugme. p / n 22036 , ii, iii suc vlv spring augme. p / n 21172 , ii, iiidisch vlv sprg augme p / n 21545 , 2nd stg sv / dv rng set augme. p / n 1891460 , 3rd stg suc vlv augme. p / n 2464.0235.010 , 3rd stg sv / dv rng set augme. p / n 1637239 , i, ii clrc pkt vlv plate augme. p / n 18951 , i, ii clrc pktvlv augme p / n 2464.0233.070 , 3rdstg clrc pkt vlv plat augme p / n 16689 , i, ii clrc pkt vlv gd rng agm p / n 1538659 , 3rdstg clrc pktvlv gdrng agm p / n 1958860 , 3rd clrc pkt vlv augme p / n 2464.0235.070