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Hirata Valve Industry Safety Relief Valves – Reliable Protection for Industrial Systems

Welcome to Nichiboku's industrial Blog

Introduction

Industrial systems operating under pressure demand uncompromising safety. Hirata Valve Industry Safety Relief Valves provide proven, reliable overpressure protection for boilers, piping networks, and pressure vessels, ensuring the highest standards of safety in gas, steam, and liquid service.


Golden safety relief valve against a radiant brown background with "HIRATA VALVE INDUSTRY SAFETY RELIEF VALVES" text and logo.
Hirata Valve Industry Safety Relief Valves: Ensuring rapid and dependable overpressure protection for boilers, pipelines, and pressure vessels in various services.

Engineered for Safety and Reliability

Safety relief valves play a critical role in preventing equipment damage and catastrophic failures. Hirata Valve Industry Safety Relief Valves are designed to perform consistently under demanding industrial conditions:

  • Versatile Applications – Suitable for gas, air, steam, and liquid systems.

  • Rapid Actuation – Opens instantly when pressure exceeds set limits, quickly restoring safe conditions.

  • Flexible Configurations – Available in multiple designs, sizes (8A–250A), and materials (carbon steel, stainless steel, cast iron).

Production Range

Item

Range / Notes

Size

8A ~ 250A (varies by valve type)

Body Material

Carbon steel, stainless steel, cast iron, etc.

Wide Range of Applications

Hirata Valve Industry Safety Relief Valves are trusted across industries where safe operation is non-negotiable:

  • Boilers and pressure vessels

  • Utility lines for steam, air, and inert gases

  • General plant service and process skids

  • Pipelines and manifold systems requiring reliable relief

Example of Safety Valve Piping in Process Systems

Understanding the placement of vacuum and pressure safety valves is crucial for ensuring proper system design and operation. Below is a visual example of a typical safety valve piping layout.

Safety valve piping diagram on yellow background. Gray pipes and valves with gauges labeled: Stop Valve, Pressure Reducing Valve, Safety Valve.
Industrial Diagram: Hirata Valve Industry's safety valve piping system highlights effective steam control and safety measures. The layout features stop valves, a pressure-reducing valve with dual gauges, and a safety valve for overpressure protection, alongside an auxiliary bypass line.

Simple, Reliable Functionality Hirata Valve Industry Safety Relief Valves

When system pressure exceeds the designated set point, Hirata Valve Industry Safety Relief Valves open instantly to discharge the medium. Once pressure returns to safe levels, the valves reseat to restore stable operation — a dependable safety mechanism designed to protect equipment and operators alike.

Customization for Every Requirement

To ensure the perfect fit for each application, Hirata Valve Industry Safety Relief Valves can be customized with:

  • Set pressure specification (kPa/MPa/bar)

  • Service fluid and operating temperature

  • Size and connection (threaded or flanged)

  • Body and trim materials

  • Documentation and certification requirements


Contact Nichiboku Technical Support

Connect with Nichiboku's expert support team to explore tailored safety valve solutions for your application.📩 Nichiboku Ltd. – www.nichiboku.com📞 Contact us to request specifications or schedule a consultation with our technical team



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