NAKAKITA AIR PURGE NS-967F
NAKAKITA
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The NAKAKITA SEISAKUSHO NS-967F Air Purge Unit is a specialized marine instrumentation device used as part of an air purge type ballast tank level monitoring and draft gauging system. Based on the product identification visible in the supplied image, the equipment is clearly marked as NS-967F AIR PURGE UNIT manufactured by Nakakita Seisakusho Co., Ltd., Japan.
The NS-967F is designed to provide reliable tank level and draft measurement by utilizing compressed air purge technology. In marine applications, accurate ballast tank level information is critical for vessel stability, cargo operations, trim management, draft calculations, and safe navigation.
Industry references indicate that the NS-967F is commonly installed within ballast tank level monitoring systems and draft gauge arrangements onboard merchant vessels. These systems use air pressure generated through purge tubes to determine liquid levels inside ballast tanks while avoiding direct immersion of sensitive electronic components in the tank environment.
Ship owners, operators, chief engineers, and technical managers rely on such equipment because it provides dependable measurements even under harsh marine conditions where corrosion, contamination, and vibration are constant challenges.
The NAKAKITA NS-967F Air Purge Unit forms part of a complete tank level monitoring architecture. The system operates by continuously supplying a controlled flow of air through a purge pipe extending into a ballast tank or draft measuring point.
As the air exits the purge tube, the back pressure generated corresponds directly to the liquid head within the tank. This pressure signal is then transmitted to associated transmitters, indicators, monitoring panels, or integrated vessel automation systems.
Because the measurement principle is based on air pressure rather than submerged electrical sensors, the system offers excellent reliability in dirty, corrosive, or difficult tank environments.
The NS-967F is commonly integrated with:
Marine operators appreciate this technology because it minimizes sensor exposure inside tanks while maintaining stable and accurate level readings.
The NS-967F uses proven air purge measurement principles, eliminating many of the problems associated with immersed sensing devices.
Marine ballast tanks are exposed to corrosion, moisture, sediment, and contamination. Air purge technology helps maintain measurement integrity under these challenging conditions.
The system supports draft gauging applications, enabling officers and engineers to monitor vessel loading conditions accurately.
The unit can be integrated into centralized monitoring systems, alarm systems, and automation platforms commonly installed on commercial vessels.
Nakakita Seisakusho products are widely recognized throughout the marine industry for their durability and dependable performance.
Since sensitive measuring elements are isolated from direct contact with tank liquids, maintenance requirements are generally reduced compared with certain submerged sensor technologies.
| Parameter | Specification |
|---|---|
| Manufacturer | Nakakita Seisakusho Co., Ltd. |
| Model | NS-967F |
| Equipment Type | Air Purge Unit |
| Application | Ballast Tank Level Monitoring |
| Secondary Application | Draft Gauge System |
| Measurement Principle | Air Purge Type |
| Installation Area | Marine Ballast and Draft Systems |
| Industry | Marine and Offshore |
| Country of Origin | Japan |
| Integration | Monitoring Systems and Automation Systems |
| Equipment Status | Available as New, Used, and Reconditioned Subject to Stock |
Some specifications may vary depending on vessel design, installation arrangement, and associated monitoring equipment. Technical documentation should always be consulted for exact configuration requirements.
The NAKAKITA NS-967F Air Purge Unit is used across numerous vessel types including:
Supports ballast control operations and draft monitoring during cargo loading and unloading.
Provides reliable ballast level information to maintain vessel stability throughout voyage operations.
Used where dependable tank monitoring is essential for operational safety and compliance.
Supports precision monitoring systems integrated with advanced vessel automation networks.
Assists dynamic ballast management and operational draft monitoring.
Provides continuous level monitoring to maintain vessel trim and passenger comfort.
Supports specialized tank monitoring and scientific vessel operations.
Assists ballast management and operational stability monitoring.
The NS-967F may interface indirectly with broader shipboard systems including:
through centralized vessel monitoring and automation architectures.
SM MARINE SERVICE™ provides sourcing assistance for NAKAKITA marine automation equipment and related spare parts.
Support services may include:
Our sourcing team supports vessels operating worldwide and can assist ship managers, technical superintendents, and purchasing departments with urgent requirements.
SM MARINE SERVICE™ provides technical support for marine automation and instrumentation equipment including NAKAKITA systems.
Services include:
We also assist customers with:
For obsolete or discontinued equipment, our engineering team can help identify replacement solutions and reconditioned alternatives.
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SM MARINE SERVICE™ supplies both New Equipment and Reconditioned Equipment depending on customer requirements and budget.
We provide worldwide supply, sourcing, repair, calibration, technical support and spare parts services for marine automation, navigation, communication and marine electronic systems.
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The NAKAKITA SEISAKUSHO NS-967F Air Purge Unit is a proven marine instrumentation device used in ballast tank level monitoring and draft gauging systems onboard commercial vessels worldwide. Its air purge operating principle offers dependable performance, reduced maintenance requirements, and long-term reliability in demanding marine environments.
For supply, repair, calibration, spare parts, troubleshooting support, technical documentation assistance, reconditioned equipment, and worldwide marine services, contact SM MARINE SERVICE™. Our experienced team supports ship owners, ship managers, marine engineers, and technical purchasing departments with reliable marine automation solutions and global spare parts sourcing.
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