HMS Group HYDROMASHSERVICE
125252, Moscow, 12 Aviakonstructor Mikoyan street
Phone: +7 (495) 664-81-71, fax: +7 (495) 664-81-72

CNS back-to-back pumps for water injection systems BB4 type, API 610

CNS back-to-back pumps for water injection systems BB4 type, API 610


Application
:

  • Water Injection Systems
  • Water Treatment Systems
  • Descaling Systems


Operating parameters
:

  • Capacity range: 30-1000 m3/h
  • Head up to 2300 m
  • Efficiency up to 83%
  • Max operating pressure up to 270 bar


Performance range: 

Performance  range CNS back-to-back pumps


 Features, Advantages, Benefits:

  • Replaceable wearing rings made of wear-resistant materials.
  • Special corrosion-resistant surfacing for efficiency increase and to slow wearing and erosion.
  • Vibration and temperature sensors can be supplied/installed on bearings housing.
  • Mechanical Seals comply with API 682 for possible use from different manufacturers.
  • Flange design according to DIN/ANSI/ISO.
  • Pumps can be supplied on a common base plate with electric motors or separately.
  • Elastic diaphragm coupling to reduce vibrations and requiring no maintenance.
  • Bearings come with grease or oil bath lubrication.


Material and sealing selection:

Heavy duty conditions water with temperature up to 80°С and sever chemical composition (hydrogen sulfide up to 300 mg/l)
Casing Duplex steel
Impeller and diffuser Super duplex steel
Shaft Stainless steel
Sealing Stuffing box, mechanical seals
Heavy duty conditions water with temperature up to 60°С
Casing Stainless steel
Impeller and diffuser Stainless steel
Shaft Stainless steel
Sealing Stuffing box, mechanical seals

Main dimensions:

Main dimensions CNS back-to-back pumps

Model
DNs
DNd
A
A1
H
H1
L
L1
L2
CNS45-1050-2
150
125
1230
670
1425
565
2402
594
625
CNS45-1422-2
1515
655
2782
784
CNS45-1900-2
3162
974
CNS63-1050-2
1425
565
2402
594
CNS63-1422-2
1515
655
2782
784
CNS63-1900-2
3162
974
CNS90-1050-2
1425
565
2402
594
CNS90-1422-2
1515
655
2782
784
CNS90-1900-2
3162
974
CNS120-1050-2
1425
565
2402
594
CNS120-1422-2
1515
655
2782
784
CNS120-1900-2
3162
974
CNS180-1050-2
1425
565
2402
594
CNS180-1422-2
1515
655
2782
784
CNS180-1900-2
3162
974
CNS240-1050-2
1425
565
2402
594
CNS240-1422-2
1515
655
2782
784
CNS240-1900-2
3162
974
CNS315-1050-2
200
150
1275
685
1635
675
2354
594
640
CNS315-1422-2
2639
784
CNS315-1900-2
3019
974

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