Explosion Flame Proof Nipple Type Temperature Sensors | Okazaki Manufacturing
- Luis Alberto Fing

- Aug 13
- 2 min read
Welcome to Nichiboku's industrial Blog
Introduction
For industries requiring safe, reliable temperature measurement in hazardous areas, Okazaki Manufacturing introduces the Explosion Flame Proof Nipple Type Temperature Sensors. Featuring Aeropak® and Resiopak® models, these sensors are optimized for seamless integration with certified terminal boxes or transmitters, offering flexibility and safety across complex environments.

Intrinsic Safety Meets Global Certification & Compatibility
Explosion and Flame Proof DesignCertified to conform with major global standards—IECEx, ATEX (Baseefa), NEPSI, TR CU, PESO, FM/UL, and more.
Activates with Certified TerminationsConfigurable with terminal boxes from leading providers like Yokogawa, Emerson, Azbil, and Honeywell—simplifying compliance and installation.
Sensor Series Overview: Explosion Flame Proof Nipple Type Temperature Sensors
Aeropak® Nipple Series – T39N / T49N & T39U / T49U
Sheathed thermocouples with flexible nipple and union options.
Supports a variety of thermocouple types (N, K, E, J, T) and sheath materials including 316SS, 310S SS, and high-strength alloys.
Excellent protection class rating: IP66.
Ambient temperature range: –50 °C to +60 °C (T6), –50 °C to +75 °C (T5).
Resiopak® Nipple RTD Series – R39N / R49N & R39U / R49U
Platinum resistance thermometer sensors (e.g., Pt100) available in various accuracy classes.
Designed for the same robust safety and environmental protection as Aeropak®.
Technical & Configuration Highlights
Certification-Matched ConfigurationsSensors must be paired with terminal boxes or transmitters with the same agency certification to maintain compliance.
Robust and Flexible DesignFeatures nipple types with optional spring or support pipe structures for enhanced mechanical resilience and adaptability.
Wide Ambient Range & Environmental RatingBuilt to withstand extreme temperatures and sealed environments.
Ideal Applications & Advantages
These Explosion Flame Proof Nipple Type Temperature Sensors are built for:
Petrochemical, LNG, and Hazardous FacilitiesWhere explosion-proof integrity and temperature monitoring are mission-critical.
Seamless System IntegrationCompatible with a wide array of certified enclosures and components, easing procurement and maintenance.
Global DeploymentFully tested for compliance with safety regulations across key markets like Europe, North America, Russia, India, China, and more.
Technical Business Value
Certified Safety – Compliant with international explosion-proof codes.
Modular & Flexible Design – Supports various sensor types and installation configurations.
Streamlined Integration – Compatible with global certified systems and enclosures.
Others Okazaki Products (here)
Request a Certified Sensor Solution
Partner with Nichiboku Ltd to elevate your industrial safety and efficiency through trusted Explosion Flame Proof Nipple Type Temperature Sensors:
Contact our team for specifications
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