INDUSTRY COMPONENT

Motor Housing

Motor housing for water circulation pumps providing structural support, protection, and heat dissipation.

Component Specifications

Definition
The motor housing is a critical structural component in water circulation pumps that encloses and protects the electric motor from environmental factors, provides mechanical support for internal components, facilitates heat dissipation through designed surfaces, and ensures proper alignment with pump assemblies. It typically features mounting points, ventilation openings, and sealing surfaces.
Working Principle
The housing provides a rigid enclosure that protects the motor from water, dust, and mechanical damage while dissipating heat generated during operation through conduction and convection. It maintains alignment between motor and pump shafts, reduces vibration transmission, and provides mounting interfaces for installation.
Materials
Aluminum alloy (typically ADC12 or A380) for lightweight corrosion resistance and good thermal conductivity, or cast iron (gray iron ASTM A48) for heavy-duty applications requiring vibration damping.
Technical Parameters
ParameterTypical rangeNotes & selection driver
Weight1.5-8 kg depending on material and size
IP RatingIP55 or higher for water and dust protection
DimensionsStandardized by motor frame size (e.g., NEMA 56C, IEC 80)
Mounting TypeFoot-mounted or flange-mounted
Cooling MethodTEFC (Totally Enclosed Fan Cooled) or TENV (Totally Enclosed Non-Ventilated)
Max Temperature120°C continuous operation

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards
ISO 2858, ISO 5199, DIN 24255, IEC 60034

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Corrosion in wet environments
  • Overheating due to inadequate cooling
  • Vibration-induced fatigue cracks
  • Improper sealing leading to water ingress
FMEA Triads
Trigger: Inadequate corrosion protection coating
Failure: Premature housing corrosion compromising structural integrity
Mitigation: Apply epoxy powder coating or anodizing (for aluminum) with minimum 80μm thickness
Trigger: Poor casting quality with porosity
Failure: Coolant leakage or reduced mechanical strength
Mitigation: Implement X-ray inspection and pressure testing during manufacturing

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.2mm for critical mounting surfaces, ±0.5mm for general dimensions
Test Method
IP rating testing per IEC 60529, vibration testing per ISO 10816, thermal cycling per IEC 60068-2-14

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Motor Housing

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

VIGOR INNO-TECH Limited
Shaanxi, CN
Founded 2007
Listed on the company's own website · profile compiled by CNFX from public sources
Lori
Guangdong, CN
Listed on the company's own website · profile compiled by CNFX from public sources

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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Frequently Asked Questions

What are the main differences between aluminum and cast iron motor housings?

Aluminum housings are lighter (30-50% weight reduction), offer better heat dissipation, and resist corrosion better but are more expensive. Cast iron provides superior vibration damping, higher mechanical strength for heavy loads, and is generally more cost-effective for large pumps.

How does the housing affect pump efficiency?

Proper housing design minimizes air gaps, reduces eddy current losses, optimizes cooling airflow, and maintains precise alignment between motor and impeller - all contributing to 2-5% efficiency improvements in typical applications.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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