Conduit Entry: Temperature Range -40°C to +120°C

Component Specifications

Definition

A conduit entry is a critical component in industrial sensor systems, specifically designed for the Sensor Connection Head. It serves as an interface point where electrical conduits or cable glands attach to provide a secure, sealed entry for sensor wiring. This component ensures environmental protection (against dust, moisture, chemicals) while maintaining proper strain relief and electrical continuity. It typically features threaded connections compatible with standard conduit sizes and may include sealing elements like gaskets or O-rings.

Working Principle

The conduit entry operates on mechanical sealing and strain relief principles. It uses threaded connections to secure conduit pipes or cable glands, while integrated seals (rubber gaskets, compression fittings) create a barrier against external contaminants. The design distributes mechanical stress from cables/conduits to prevent damage to internal sensor connections, maintaining signal integrity in harsh industrial environments.

Materials

Typically manufactured from corrosion-resistant materials: stainless steel (AISI 304/316), brass, aluminum alloys, or engineered plastics (PA, PBT) with IP67/IP68 rated sealing elements (EPDM, NBR, silicone rubber).

Technical Parameters

Parameter	Typical range	Notes & selection driver
IP Rating	IP67/IP68
Thread Size	M12 to M40 metric or NPT 1/4" to 1"
Material Grade	316 Stainless Steel
Temperature Range	-40°C to +120°C
Cable Diameter Range	3mm to 25mm

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 7005-2, DIN 43650, IEC 60529

Parent Products

This component is used in the following industrial products

Sensor Connection Head

A protective housing and connection interface for temperature sensors within thermowell assemblies.

View Product Details

Engineering Analysis

Risks & Mitigation

Improper sealing leading to sensor failure
Material incompatibility causing corrosion
Over-tightening damaging threads or seals
Incorrect sizing causing poor strain relief

FMEA Triads

Trigger: Degraded sealing element
Failure: Moisture ingress causing electrical short
Mitigation: Regular inspection and replacement of seals; use double-sealed designs

Trigger: Vibration loosening threaded connection
Failure: Conduit detachment and cable damage
Mitigation: Apply thread-locking compounds; use vibration-resistant locknuts

Trigger: Chemical exposure degrading materials
Failure: Corrosion compromising structural integrity
Mitigation: Select chemically compatible materials (e.g., 316SS for chlorides)

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Thread tolerance per ISO 965-1 medium class; sealing surface flatness within 0.1mm

Test Method

IP testing per IEC 60529; pressure testing at 1.5x rated pressure; vibration testing per IEC 60068-2-6

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 Conduit Entry

Manufacturer profiles associated with Conduit Entry.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the primary function of a conduit entry in sensor systems?

To provide sealed, strain-relieved cable routing while preventing environmental contaminants from entering the sensor connection head.

Can conduit entries be used in explosive atmospheres?

Yes, when certified with appropriate ATEX/IECEx ratings and proper installation following zone classification requirements.

How do I select the right conduit entry size?

Match thread specifications to your conduit system and ensure the cable diameter falls within the component's specified range for proper sealing.

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.

Conduit Entry