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{"title":"3 Phase 50hz 60hz Sea Water Submersible Pump \/ Submersible Seawater Pumps","imgUrl":"https:\/\/img.chinax.com\/nimg\/6b\/de\/09c4004296a32f9fa97707dae78f-200x200-1\/3_phase_50hz_60hz_sea_water_submersible_pump_2f_submersible_seawater_pumps.jpg","attrs":{"Diameter":"10 12 14 inch deep well submersible pump","Capacity":"200m3\/h 250m3\/h 300m3\/h submersible pump","Head":"17m-170m","Motor power":"18.5kw-185kw"}}
{"title":"Seawater Saltwater SS Sewage Submersible Pump Head 5-600m Corrosion Resistance","imgUrl":"https:\/\/img.chinax.com\/nimg\/84\/57\/6051c2e5fc99947197a1bf39d1d9-200x200-1\/seawater_saltwater_ss_sewage_submersible_pump_head_5_600m_corrosion_resistance.jpg","attrs":{"Head":"5-600m","Flow:":"5-2000m3\/h","Pump Diameter":"175mm-600mm","Power:":"2.2kw-410kw"}}
{"title":"1200m3\/H Capacity Sea Water Submersible Pump 18m Head For Seafood Factory","imgUrl":"https:\/\/img.chinax.com\/nimg\/87\/26\/b16b5aede20de66c6d2a54cef1b4-200x200-1\/1200m3_2fh_capacity_sea_water_submersible_pump_18m_head_for_seafood_factory.jpg","attrs":{"Pump diameter":"550mm\/22 inch well submersible pump","Capacity":"1200m3\/h","Head":"18m","Motor Power":"110kw"}}
{"title":"10" 120hp 150m3\/H Flow Sea Water Submersible Pump Super Duplex Stainless Steel","imgUrl":"https:\/\/img.chinax.com\/nimg\/d9\/45\/f9f118129083e839f67e2f6a129c-200x200-1\/10_22_120hp_150m3_2fh_flow_sea_water_submersible_pump_super_duplex_stainless_steel.jpg","attrs":{"Flow":"46m3\/h-240m3\/h submersible pump","Head":"12m-430m","Diameter":"10 inch submersible pump","Power":"5.5kw-125kw"}}
{"title":"7.5kw - 410kw SS Sea Water Submersible Pump , Submersible Well Water Pump","imgUrl":"https:\/\/img.chinax.com\/nimg\/b9\/5b\/bde53ef08ca79f93f7e93a15c675-200x200-1\/7_5kw_410kw_ss_sea_water_submersible_pump_2c_submersible_well_water_pump.jpg","attrs":{"Brand Name":"APK","Model Number":"QJH","Certification":"ISO;CE,BV; TUV; CCC","Place of Origin":"Henan China"}}
{"title":"Vertical Sea Water Submersible Pump Stainless Steel Submersible Pump Corrosive","imgUrl":"https:\/\/img.chinax.com\/nimg\/a6\/a2\/cef402103427b138cf1fd94ad4e1-200x200-1\/vertical_sea_water_submersible_pump_stainless_steel_submersible_pump_corrosive_resistant.jpg","attrs":{"Diameter":"7 8 inch submersible pump","Flow rate":"9m3\/h-120m3\/h","Head":"12m-465m","Power":"7.5kw-45kw"}}
250QJH167-40-30kW Stainless Steel Deep Well Submersible Pump
The 250QJH167-40-30kW stainless steel deep well pump is a vertical submersible pumping unit designed for groundwater extraction, agricultural irrigation, industrial water supply and other high-flow water-transfer applications. The pump and submersible motor are directly coupled and operate fully submerged, requiring limited surface space and avoiding suction-lift restrictions.
With a nominal flow rate of approximately 167m³/h, nominal head of approximately 40m and 30kW motor, this model is suitable for projects requiring reliable, continuous high-volume water delivery. Stainless steel wetted components are available in 304, 316 or 316L grades based on water analysis and operating conditions.
Main Technical Specifications
Item
Specification
Product name
Stainless steel deep well submersible pump
Model
250QJH167-40-30kW
Nominal flow rate
Approx. 167m³/h
Nominal head
Approx. 40m
Motor power
30kW
Pump construction
Vertical multistage submersible type
Recommended well diameter
Not less than approximately 250mm
Standard power supply
Three-phase 380V, 50Hz
Optional materials
304, 316 or 316L stainless steel
Recommended liquid
Clean water, groundwater and compatible liquids
Installation
Vertical submerged installation
Specifications may vary between manufacturers. Number of stages, overall diameter, outlet size, cable length, motor construction and installation dimensions must be confirmed before ordering.
Model Designation
250QJH167-40-30kW
250: Nominal well-diameter class
QJH: Stainless steel deep well submersible pump series
167: Nominal design flow of approximately 167m³/h
40: Nominal design head of approximately 40m
30kW: Rated motor power
Key Product Features
High-Flow Water Delivery: Nominal capacity of approximately 167m³/h for irrigation, raw-water intake, industrial water transfer and tank filling
Corrosion-Resistant Construction: Wetted components available in 304, 316 or 316L stainless steel based on chloride concentration, pH and temperature
Direct-Coupled Submersible Design: Integrated pump and motor unit simplifies installation and reduces space requirements
Multistage Hydraulic System: Multiple impellers provide progressive pressure increase for 40m head at high flow rates
Configurable Options: Available options include stainless steel grade, voltage, frequency, cable length, discharge flange and control systems
Typical Applications
Groundwater extraction from deep wells and boreholes
Agricultural irrigation and centralized farm water supply
Municipal and rural water-supply projects
Industrial process-water supply
Cooling-water and circulation-system replenishment
Raw-water intake from reservoirs, rivers and storage basins
Waterworks and treatment-plant intake systems
Landscaping and sprinkler irrigation
Construction, mining and infrastructure water transfer
Not intended for liquids containing excessive sand, long fibres or large solid particles. For seawater, brine or chemically aggressive liquids, provide complete liquid analysis for material evaluation.
Information Required for Pump Selection
Required flow rate and total dynamic head
Well casing internal diameter and total well depth
Static water level and pumping water level
Delivery-pipe length, diameter and number of fittings
Sand content, chloride level, pH and water temperature
Available voltage and frequency
Planned installation depth
Required outlet or flange standard
Need for control panel, VFD or dry-run protection
The required head should include vertical lift, pipeline friction losses, local resistance and pressure required at the final discharge point. Well depth alone is not sufficient for selecting the correct pump.
Installation and Operating Recommendations
Inspect pump, motor, cable and fasteners before installation
Verify well diameter provides sufficient clearance for installation and motor cooling
Keep pump inlet below dynamic water level with adequate submergence
Maintain sufficient clearance between motor and well bottom
Use properly rated lifting equipment, riser pipes and safety cables
Never lift or suspend pump by electrical cable
Check insulation resistance, supply voltage, phase sequence and protection settings before starting
Do not operate pump dry
Avoid prolonged operation against closed discharge valve
Protect motor against overload, phase loss and abnormal voltage
Monitor current, flow, pressure, vibration and insulation condition during service
Optional Accessories
Stainless steel or carbon-steel riser pipes
Submersible power cable
Check valve and isolation valve
Discharge flanges and pipe fittings
Soft-starter control panel
Variable-frequency drive control panel
Dry-run, overload, phase-loss and leakage protection
Level sensors and remote monitoring system
Why Choose the 250QJH167-40-30kW Pump?
This model combines high flow, moderate head and corrosion resistance of stainless steel. It is particularly suitable for projects requiring continuous water delivery, compact installation and dependable submerged operation.
Compared with conventional cast-iron deep well pumps, an appropriately selected stainless steel version provides better rust resistance and is more suitable for water systems with higher cleanliness or corrosion-resistance requirements.
Frequently Asked Questions
What are the flow, head and power ratings?
Nominal flow rate is approximately 167m³/h, nominal head is approximately 40m, and motor power is 30kW. Actual performance depends on operating water level, pipeline losses, voltage conditions and selected duty point.
What well diameter is required?
The "250" designation refers to the 250mm well-diameter class. The actual well casing must be larger than the pump's maximum outside diameter and provide adequate clearance for installation, cooling-water flow and cable routing.
Which stainless steel grade should I choose?
304 stainless steel may be suitable for clean water with relatively low corrosiveness. For higher chloride levels or more aggressive water, 316 or 316L may be considered. The final material should always be selected from a water analysis.
Can the pump operate with a variable-frequency drive?
Yes, provided that the VFD, motor and control settings are compatible. Minimum operating frequency, acceleration time, overload protection and dry-run protection should be set according to manufacturer's instructions.
Can this pump be used for seawater?
Only after dedicated material assessment. Standard 304 stainless steel is generally not recommended for continuous operation in high-chloride seawater. Depending on conditions, 316L, duplex stainless steel or another seawater-resistant material may be required.
What information is required for a quotation?
Please provide required material, voltage, frequency, well diameter, installation depth, cable length, outlet standard, control method, destination and any required accessories.
Request a Quote
For price, performance curve, installation drawing or selection proposal for the 250QJH167-40-30kW stainless steel deep well pump, send us your well diameter, well depth, static water level, pumping water level, required flow, required head, water analysis and electrical supply details.
Our technical team can confirm the appropriate stainless steel grade, motor configuration, cable length and complete supply scope for your project.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
1986
Total Annual:
20000000-35000000
Employee Number:
301~500
Ecer Certification：
Verified Supplier
Zhengzhou Shenlong Pump Industry CO.,Ltd, a professional reputable ODM OEM water pump manufacturer in China since 1986, recognized by CE and ISO, ABS, SGS, BV.
Main products: Electric Submersible Pump for pumping clean water, hot water and sea water...
Zhengzhou Shenlong Pump Industry CO.,Ltd, a professional reputable ODM OEM water pump manufacturer in China since 1986, recognized by CE and ISO, ABS, SGS, BV.
Main products: Electric Submersible Pump for pumping clean water, hot water and sea water...
