pumps and pumping systems  

Circulation pumps type CL


The CL type centrifugal vortex pumps are intended to accelerate the circulation of pure and chemically inert liquids in central heating systems and hot domestic water systems.

Technical specifications

capacity 4,5 ÷ 36 m3/h
delivery head up to 5,8 m
pumped liquid temperature up to 110oC
mass 18 ÷ 26,7 kg
motor power CL 3 0,25 kW
Cl 4 0,55 kW

Product marking structure

  C L
0 1
1 1 0 0
0 0 1
a a a
c c
e1 e1 e2
i i i

a a a - aggregate type (two marks)
b - pump type/size
c c - pump type/dimension
d - pump material execution as in MATERIAL EXECUTION
e  e1 e1 e2   - pump constructional execution as in CONSTRUCTIONAL EXECUTION
h - supply completeness *
i i i - motor type
k - product cosmetics

*) CL type pumps are compact monoblock design. The delivery completion range includes pumps plus motor designated by the digit 4.

Material execution of CL pumps

   CL pumps are produced in one material executions

Pump elements Material "d = 1"
Casing gray cast iron
Impeller brass
Shaft stainless steel

Constructional execution

Constructional execution is marked with e  e1 e1 e2 code as follows:

"e" = 1 - pumping of liquids of up to 110oC
"e1 e1" = 10 - mechanical face seal
"e2" = 0 - backup

Product cosmetics

  1. Standard
  2. Special


  • Guaranteed long-lasting operation and readily available spare parts.
  • Constant technical supervision with warranty and post-warranty technical service.
  • Low purchase and operating costs.
  • Relatively long operating life in harsh conditions.

Design of CL pumps

The CL type inline flow centrifugal vortex pumps are single-stage devices with compact design and a layout of connectors that enables direct coupling with central heating of hot domestic water pipelines. The pump is installed directly on a motor with a special shaft end that accommodates the pump rotor and a mechanical face seal. The pump body is bolted via a special adapter to the motor flange with M8 (CL3) or M10 (CL4) stud bolts.

Hydro-Vacuum S.A.
ul. Droga Jeziorna 8
86-303 Grudziądz
tel. 56 45 07 415
fax. 56 46 25 955
Copyright © Hydro-Vacuum S.A.

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