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 HomeProducts   →  Pump →  Circulation Pump
Circulation Pump
 
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HLB, HLBK, HLKS and HLKT vertical diagonal flow pumps are produced in our plants since 1984, mainly used for supply of clear water, rain water, sea water and sewage at a temperature lower than 60℃. The pumps can be used as circulation pumps in power plants, or applied for industrial water supply (in iron and steel plants and wharfs), city water supply system, water exhaust engineering and farmland irrigation and drainage.

Model Designation

 1600H (HB、HK、HLB、 HLK、HLKT) -20
 1600 ——Diameter of pump exhaust port is 1600mm
 HB, HLB——enclosed-impeller vertical diagonal flow pump
 HK, HLK ——open-impeller vertical diagonal flow pump
 HLKT ——blade-adjustable withdrawable vertical diagonal flow pump
 20 ——pump design point delivery lift is 20m

Performance Range (Design Point)
 
  Flow:0.5~40m³/s
  Delivery lift:3.5~75m
 
Structural Features
  1、Installation Methods
  Single-layer foundation: the electrical motor and pump are directly installed on one foundation, with the pump exhaust port set above or below the function layer.
  Double-layer foundation: the electrical motor and pump are installed on their own foundations, with the pump exhaust port set between the two layers of foundations.
  2、The pump has three types, namely, unwithdrawable type, rotator (including guide blades) withdrawable type and whole inner pump body withdrawable type.
  3、Pump impellers have three types also, namely, open impeller type, enclosed impeller type and blade-adjustable impeller type.
  4、Pump axial forces are released by thrust bearings of the electrical motor or pump itself.
  5、Pump bearings can be separated into rubber (wear-proof, anticorrosion, sea water corrosion resistance rubber) guide bearing, PEEK bearing, PPEK bearing and Salong bearing. Normally, pump shafts have protective sleeves, in which are full of clean pressure water for guided bearings lubrication and washing, with water quantity controlled by flow relay to avoid bearings damaged due to insufficient water. When pumps are used to convey sewage or water contains grains, the end of guided bearings inside the guide blades has a stop automatic shaft seal device to prevent mediums leaking into the bearings after pump is stopped.
  6、Pumps used to convey sea water shall be made of sea water corrosion resistant materials, and equipped with sacrificial anode and external power cathodic protection devices, so as to prevent electrochemical corrosion to pump parts.
   7、The pump and electrical motor are coupled directly, with reduction gear box assembled additionally.
    8、The pump suction port is horn-shaped or elbow-shaped interval channel.
 

 
Materials
 

Conveyance Mediums

Clean Water

Sea Water

Materials Types
Name of Parts

Horn-shaped Suction Port

HT250/ASTM 35
UNS241

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Impeller Chamber

ZG1Cr13Ni1/
ASTM Ni-Cr-Hc

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 100

Impeller

ZG1Cr13Ni1 or 
ZG1Cr18Ni9

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Guide Blade

HT250/ASTM 35
UNS241

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

External Pipes

Q235-A/
ASTM A570

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Water Exhaust Bend Pipes

Q235-A/
ASTM A570

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Connecting Pipes

Q235-A/
ASTM A570

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Diversion Case

Q235-A/
ASTM A570

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Intermediate Bearing Seat

HT250/
ASTM A570

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Protective Sleeves

Q235-A/
ASTM A570

0Cr18Ni9

ASTM 316L

ZERON 25

Shaft

45or35CrMo/
ASTM 4135

0Cr17Ni12Mo2

ASTM 316L

ZERON 25

Shaft Sleeves

2 Cr13/ASTM 302

ASTM 302

ASTM 302

ZERON 25

Guide Bearings

Rubber/Sialon
/PEEK/PPEK

Rubber/Sialon
/PEEK/PPEK

Rubber/Sialon
/PEEK/PPEK

Rubber/Sialon
/PEEK/PPEK

Sleeve Coupling

45或2Cr13

1Cr17Ni2

ASTM 316L

ZERON 100

Coupling

45/
ASTM 1450

45/
ASTM 1450

45/
ASTM 1450

ZERON 100

Cover

Q235-A/
ASTM A570

HT250Ni2Cr/
ASTM Ni-Cr-Hc

ASTM 316L

ZERON 25

Electrical Motor Seat

Q235-A/
ASTM A570

Q235-A/
ASTM A570

Q235-A/
ASTM A570

Q235-A/
ASTM A570

Remarks: materials of all parts can be otherwise defined upon customer's requirements.

 

   
 

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