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The BK Stainless Steel Centrifugal Pump range is designed for clean-water supply, tank transfer, irrigation, circulation, and light commercial water duties. Stainless steel pump components, a ceramic/graphite mechanical seal, and an aluminum alloy motor housing support compact surface installations. Five models from 0.37 kW to 1.5 kW provide maximum flows from 4.8 to 30 m³/h and heads from 9.2 to 18 m, with a 7 m maximum suction lift. BK50 uses 1-inch connections, while BK75 through BK200 use 1.5-inch connections. IP44 protection, Class B insulation, external ventilation, and a built-in thermal protector support continuous clean-water operation within the stated limits.
Component
Pump Body: Stainless Steel
Pump Support: Stainless Steel
Motor Housing: Aluminum Alloy
Impeller: PPO for CTP Series, 304SS for BR Series
Motor Shaft: 304 Stainless steel shaft
Mechanical Seal: Ceramic/Graphite
Operating Condition
Liquid Temperature up to 60 ℃
Ambient Temperature up to 40 ℃
Total Suction Lift up to 9 m
Motor
1~220V/50Hz, 110V/60Hz, 220V/60Hz on request
Insulation Grade: Class B
Cooling: External Ventilation
Protection: IP44
Build-in with Thermal Protector
Continuous Work S1
Model Parameters
| Model | Power |
Max.Flow m³/h |
Max.Head m |
Max.Suct m |
In/outlet inch |
G.W. kgs |
Dimension mm |
|
|---|---|---|---|---|---|---|---|---|
| kW | HP | |||||||
| BK50 | 0.37 | 0.5 | 4.8 | 11 | 7 | 1"×1" | - | - |
| BK75 | 0.55 | 0.75 | 17 | 9.2 | 7 | 1.5"×1.5" | - | - |
| BK100 | 0.75 | 1.0 | 19 | 9.5 | 7 | 1.5"×1.5" | - | - |
| BK150 | 1.1 | 1.5 | 27 | 17 | 7 | 1.5"×1.5" | - | - |
| BK200 | 1.5 | 2.0 | 30 | 18 | 7 | 1.5"×1.5" | - | - |
Product Summary
The BK stainless steel centrifugal pump is a compact clean-water pump for domestic supply, tank transfer, garden irrigation, circulation, and light commercial water systems. BK50, BK75, BK100, BK150, and BK200 cover 0.37 kW to 1.5 kW, maximum flow from 4.8 m³/h to 30 m³/h, and maximum head from 9.2 m to 18 m. Stainless steel pump parts, a ceramic and graphite mechanical seal, IP44 protection, and a 7 m suction-lift rating provide practical reference for clean-water applications.

Detailed Description
A stainless steel centrifugal pump uses a rotating impeller to move water through a surface-mounted hydraulic section. The BK stainless steel centrifugal pump is intended for clean water and liquids non-aggressive to the listed materials. It can support domestic supply from tanks, irrigation lines, water circulation, and clean-water transfer where a compact centrifugal pump is appropriate. The operating result depends on required flow, elevation difference, pipe length, fittings, source level, and selected BK model. Reviewing these factors helps match the stainless steel centrifugal pump with the actual system duty.
Key Features
The BK stainless steel centrifugal pump uses a stainless steel pump body and support with an aluminum alloy motor housing. The component data includes a 304 stainless steel motor shaft and a ceramic/graphite mechanical seal. The motor specification includes Class B insulation, external ventilation, IP44 protection, a built-in thermal protector, and S1 continuous work. BK50 uses a 1 inch × 1 inch inlet and outlet, while BK75 through BK200 use 1.5 inch × 1.5 inch connections. This helps installers match the pump with the intended pipe arrangement.
Technical Parameters
The model table is the key selection guide for the BK stainless steel centrifugal pump family. BK50 is rated at 0.37 kW / 0.5 HP with 4.8 m³/h maximum flow and 11 m maximum head. BK75 is rated at 0.55 kW / 0.75 HP, with 17 m³/h and 9.2 m. BK100 is rated at 0.75 kW / 1.0 HP, with 19 m³/h and 9.5 m. BK150 is rated at 1.1 kW / 1.5 HP, with 27 m³/h and 17 m. BK200 is rated at 1.5 kW / 2.0 HP, with 30 m³/h and 18 m. Each model shows a 7 m maximum suction lift. Liquid temperature is listed up to 60 ℃ and ambient temperature up to 40 ℃.
Engineering Advantages
A centrifugal pump should be selected with its pipe system because pipe friction, elevation, and fittings influence the working point. The BK stainless steel centrifugal pump range offers several flow levels for matching system duty. The stainless steel hydraulic parts provide a clear material specification for the listed clean-water service, while the ceramic and graphite seal faces form the stated mechanical seal configuration. External ventilation assists motor heat management, and the thermal protector responds to abnormal motor temperature conditions. A sealed suction line, appropriate pipe diameter, and correct electrical supply remain important for stable centrifugal pump operation.
Applications
BK stainless steel centrifugal pumps can be considered for domestic water supply, storage tank transfer, garden and landscape irrigation, clean-water circulation, and light commercial water movement. They may also fit civil or agricultural projects when flow and head requirements match the published data. The BK stainless steel centrifugal pump is not intended for sewage, abrasive particles, or fluids chemically aggressive to the listed materials. Install the pump in an enclosed or sheltered, ventilated location and follow applicable electrical and plumbing practices.
Commercial Value
For B2B buyers, the BK stainless steel centrifugal pump range provides five flow and power options within one clean-water product family. This supports selection for lower-flow domestic supply through higher-flow irrigation or transfer duties. Published power, flow, head, connection, and suction data help distributors compare models before stocking or quoting a project. The stainless steel pump body and support provide useful specification information for buyers comparing pump materials. CGO presents the BK stainless steel centrifugal pump range with transparent parameters for comparing each model with the duty point and site pipework.
FAQ
Q:What liquid can a BK stainless steel centrifugal pump handle?
A:The listed use is clean water and liquids non-aggressive to the stated materials.
Q:What is the maximum suction lift?
A:The table lists up to 7 m under suitable installation conditions.
Q:How should a BK stainless steel centrifugal pump be selected?
A:Compare required flow, total head, source level, pipe losses, and electrical supply with the model table.
Q:Can the pump be installed outdoors?
A:Use an enclosed or sheltered, ventilated location and follow applicable electrical and plumbing practices.
We provide full lifecycle after-sales support for all global pump partners, including remote technical guidance, fault troubleshooting, fast spare parts supply and standard 1-year factory warranty.
Our professional technical team offers online video guidance for pump installation, parameter adjustment and daily troubleshooting. We supply standard English operation manuals with every shipment.
For bulk municipal, agricultural and industrial engineering orders, we can arrange experienced technicians to deliver on-site testing and commissioning service.
We stock complete spare parts for all pump series. Once quality defects are confirmed, replacement components will be shipped rapidly to minimize your equipment downtime.
All our pumps enjoy a 1-year warranty against manufacturing defects. Free spare parts will be provided for quality issues within the warranty period. Damage caused by improper operation or human error is not covered.