Stainless Steel Horizontal Multistage Pump
Industrial Stainless Steel Horizontal Multistage Pump
Technical Specifications & Performance Matrix
Selecting the correct multistage pump requires matching system hydraulic curves with actual operating points. Refer to the standard matrix and performance parameters below for model sizing.
|
Model |
Flow Rate (Q) |
Head (H) |
Motor Power |
Inlet/Outlet Port |
Max Pressure |
Wetted Material |
|
HMP-3-4 |
3.0 m3/h |
32 m |
0.75 kW |
1" |
1.0 MPa |
AISI 304 / 316 |
|
HMP-5-5 |
5.0 m3/h |
45 m |
1.5 kW |
1-1/4" |
1.6 MPa |
AISI 304 / 316 |
|
HMP-12-4 |
12.0 m3/h |
48 m |
3.0 kW |
1-1/2" |
1.6 MPa |
AISI 304 / 316 |
|
HMP-16-6 |
16.0 m3/h |
72 m |
5.5 kW |
2" |
2.5 MPa |
AISI 304 / 316 |
Voltage / Frequency: 220-240V/380-415V, 50Hz / 460V, 60Hz (Custom voltages available upon request).
Liquid Temperature Range: -15C to +110C (Standard), up to +120C (FKM mechanical seal option).
Motor Efficiency: IE3 standard compliance (IEC 60034-30).
Construction, Materials & Manufacturing Process
Durability in aggressive liquid environments relies strictly on metallurgy and precision manufacturing control.
Hydraulic Assemblies (Impellers & Diffusers):
Stamped from high-grade stainless steel coils using 300-ton hydraulic presses.
Laser-welded to maintain smooth internal flow passages, minimizing hydraulic friction losses and lowering NPSH requirements.
Pump Casing & Connections:
Precision investment casting or tube-hydroformed stainless steel.
Wall thickness verified via ultrasonic thickness testing prior to final assembly.
Shaft & Bearings:
Heavy-duty shaft ground to strict concentricity tolerances (<= 0.03 mm), preventing radial runout and mechanical seal fatigue.
Tungsten carbide sleeve bearings utilized at high-wear intermediate stages.
Shaft Seal:
Cartridge-type mechanical seal (Carbon/Silicon Carbide/FKM or EPDM), engineered for reliable sealing under fluctuating pressure loads.
Application & System Integration
Engineered for seamless integration into OEM skid systems and heavy commercial installations:
Water Treatment: Reverse Osmosis (RO) high-pressure booster stages, ultrafiltration systems, and deionized water circulation loops.
Industrial Washing: High-pressure parts washers, container cleaning systems, and industrial dishwashing lines.
Boiler Feed & HVAC: Condensate return, boiler makeup water supply, and closed-loop chiller pressurization.
Chemical & Light Processing: Transfer of mild acids, alkalis, and cooling lubricants without particulate contamination.
Quality Assurance & Testing Protocol
Every production batch undergoes strict quality control before dispatch:
Hydrostatic Pressure Test: Tested at 1.5x maximum working pressure for 5 minutes to verify casing integrity and weld soundness.
Performance Testing: Individual units are tested on a closed-loop hydraulic test bench compliant with ISO 9906 Grade 3B standards to verify flow, head, power consumption, and overall efficiency.
Material Traceability: PMI (Positive Material Identification) testing available upon request to certify actual nickel and chromium content in AISI 304/316 components.
Frequently Asked Questions
Q: Can these pumps handle mildly corrosive chemicals or sea water?
A: Standard configurations use AISI 304 for water and non-aggressive fluids. For saline water, chlorinated solutions, or chemical dosing, wetted parts can be upgraded to AISI 316L with FKM elastomers. Verify chemical compatibility with our technical team before ordering.
Q: What is the standard motor protection class and insulation grade?
A: Motors feature an IP55 enclosure rating (IP56 optional) to prevent dust and water jet ingress. Insulation grade is F, designed to withstand continuous operating temperatures up to 105C.
Q: Are dimensional drawings available for OEM skid design?
A: Yes. 2D CAD drawings (DXF/DWG) and 3D STEP models are available for download or direct request. Mounting foot dimensions and flange centerlines match standard industry footprints for direct drop-in replacement.
Q: What is the minimum and maximum liquid temperature tolerance?
A: The standard mechanical seal handles liquid temperatures from -15C to +110C. For hot water applications up to +120C, a high-temperature mechanical seal configuration must be specified.
Q: How do you prevent dry-running damage during initial startup?
A: The pump must be fully primed and vented via the priming plug before startup. Running the pump dry will destroy the carbon/silicon carbide mechanical seal faces within seconds. We recommend installing an optional dry-run protection pressure switch or flow sensor.
Q: What is the typical lead time for standard and custom models?
A: Standard inventory models (380V/50Hz, AISI 304) ship within 7 to 10 business days. Custom configurations (special voltages, ANSI/JIS flanges, or AISI 316L metallurgy) typically require 21 to 30 production days.
Request a Technical Quote / RFQ
To provide an accurate pump selection matching your system curve, please submit:
• Required Flow Rate (Q) and Head (H)
• Liquid type, temperature, and specific gravity
• Power supply availability (Voltage / Frequency / Phase)
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