INDUSTRY COMPONENT

Sealing

Load cell sealing component that protects sensitive measurement elements from environmental contaminants and ensures measurement accuracy in industrial applications.

Component Specifications

Definition
A specialized sealing component designed for load cells that creates a hermetic or environmental barrier between the strain gauge assembly and external conditions. It prevents ingress of moisture, dust, chemicals, and particulates while maintaining the structural integrity and measurement precision of the load cell under varying operational stresses.
Working Principle
Utilizes compression sealing or bonded sealing techniques to create a continuous barrier around load cell elements. The seal maintains constant contact pressure through elastic deformation or adhesive bonding, preventing contaminant migration while accommodating minor thermal expansion and mechanical deflections without compromising the load cell's strain measurement capabilities.
Materials
Food-grade silicone rubber (FDA 21 CFR 177.2600), fluorosilicone (FVMQ), ethylene propylene diene monomer (EPDM), or polyurethane with hardness 50-80 Shore A. Temperature range: -40°C to +150°C. Chemical resistance specified per ASTM D471.
Technical Parameters
ParameterTypical rangeNotes & selection driver
IP RatingIP67/IP68
Tear Strength≥30 kN/m (ASTM D624)
Compression Set≤20% (ASTM D395)
Compression Force5-20 N/mm
Temperature Range-40°C to +150°C
Operating Pressure0-2 bar

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 3601-1, DIN 3770, ASTM D2000, ISO 6194

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Seal degradation from chemical exposure
  • Compression set leading to measurement drift
  • Improper installation causing contamination ingress
  • Thermal expansion mismatch
FMEA Triads
Trigger: Chemical incompatibility with process fluids
Failure: Seal swelling/cracking leading to contamination ingress
Mitigation: Material selection per ASTM D471 testing, regular inspection schedules
Trigger: Excessive compression during installation
Failure: Permanent deformation affecting sealing performance
Mitigation: Torque-controlled installation procedures, proper gland design
Trigger: Thermal cycling beyond material specifications
Failure: Loss of elasticity and sealing capability
Mitigation: Temperature monitoring, material selection for operational range

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance
±0.1mm dimensional tolerance per ISO 3601-1, compression force tolerance ±10%
Test Method
IP rating testing per IEC 60529, compression set per ASTM D395, chemical resistance per ASTM D471

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 Sealing

Manufacturer profiles associated with Sealing.

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Frequently Asked Questions

What is the primary function of a load cell sealing component?

The primary function is to protect the sensitive strain gauge elements from environmental contaminants like moisture, dust, and chemicals while maintaining measurement accuracy and extending the load cell's operational lifespan.

How often should load cell seals be inspected or replaced?

Inspect seals during routine maintenance (typically every 6-12 months) and replace immediately if visible damage, compression set exceeding 25%, or measurement drift is detected. Harsh environments may require more frequent inspection.

Can load cell seals be customized for specific applications?

Yes, seals can be customized for material composition, dimensions, temperature ranges, and chemical resistance to match specific industrial environments and compliance requirements.

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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