Overview

This document presents NOSHOK's instrumentation solutions, focusing on customized alarm and shut-off systems for vehicle fire suppression. It highlights the challenges faced in such applications and details NOSHOK's product offerings designed to meet these needs.

Application Context

The instrumentation is tailored for vehicle fire suppression systems, requiring reliable alarm and shut-off mechanisms. The document emphasizes the importance of precise and durable instrumentation in harsh environments.

Challenges

Key challenges include ensuring dependable operation under extreme conditions, managing pressure variations, and integrating with vehicle systems for timely fire detection and response.

Product Solutions

NOSHOK offers a range of mechanical pressure switches and miniature needle valves designed for these applications. The solutions include:

• 100 Series: Miniature, low-pressure switches with a hard seat design, capable of withstanding pressures up to 10,000 psi.
• 150 Series: Soft tip switches with a maximum pressure rating of 6,000 psi, suitable for applications requiring softer sealing.
• 200 Series: Compact SPDT switches designed for reliable single-pole double-throw switching.
• 300 Series: Compact SPDT switches featuring adjustable hysteresis for precise control.
• 400 Series: Heavy-duty switches for demanding environments.

Design Features

All switches incorporate a patented body-to-bonnet metal-to-metal seal ensuring leak-tight performance. Electrical connection options include spade terminals, integral cables, Hirschmann connectors (DIN EN 175301-803 Form A), M12 x 1 (4-Pin), and Deutsch connectors, facilitating versatile integration.

Assembly and Electrical Connection Options

The document outlines various assembly and electrical connection configurations to suit different installation requirements, enhancing adaptability in vehicle systems.

Key Specifications and Parameters

• Pressure ratings: Up to 10,000 psi for 100 Series; up to 6,000 psi for 150 Series.
• Switch types: SPDT with adjustable hysteresis available in 300 Series.
• Sealing technology: Patented metal-to-metal seal for durability and leak prevention.
• Electrical connectors: Multiple options including spade terminals and industry-standard connectors.

Recommendations and Best Practices

For optimal performance in vehicle fire suppression systems, selecting the appropriate series based on pressure requirements and environmental conditions is critical. Proper electrical connection and assembly methods should be followed to ensure system reliability.

Summary

NOSHOK provides a comprehensive range of pressure switches and valves engineered for vehicle fire suppression applications. Their products combine robust mechanical design, versatile electrical connectivity, and patented sealing technology to address the challenges of harsh operating environments, ensuring dependable alarm and shut-off functionality.