W...A series W4NA (NH3)

Bitzer W...A series W4NA (NH3)

Bitzer W...A series W4NA (NH3)

In addition to compressors for HFC and HCFC, we offer a series of open-drive compressors specially optimized for use with ammonia (NH₃) refrigerant.

  • Suitable for coupling and belt drives.
  • Highly efficient and robust valve plate design resulting from a new style of valve construction - Equipped with proven design elements.
  • Pressure oil lubrication with reversible gear pump.
Compressor type Motor pulley ø Displacement Necessary driving motor Cond.temp. Cooling capacity Q0
Evaporating temperature °C
mm m3/h K N °C 15 12,5 10 7,5 5 0 -5 -10 -15
W4NA S190 45,1 7,5 7,5 30 76600 70100 63900 58200 52800 43050 34600 27350 21100
11,0 11,0 40 73700 67200 61100 55400 50100 40500 32100 24900
15,0 - 50 69800 63400 57400 51800 46550 37100
S210 50,1 11,0 11,0 30 84300 77000 70300 64000 58000 47350 38050 30050 23200
15,0 11,0 40 81100 73900 67200 61000 55100 44500 35300 27400
15,0 - 50 76700 69700 63100 56900 51200 40750
S230 56,1 11,0 11,0 30 92800 84900 77400 70500 63900 52200 41950 33100 25550
15,0 15,0 40 89300 81400 74100 67200 60700 49050 38900 30150
K 18,5 - 50 84500 76800 69500 62700 56400 44900