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SHORITSU SEISAKUSHO Forged Steel Valves | Precision Engineered for Industrial Demands

Welcome to Nichiboku's industrial Blog

Introduction

In industries where performance, safety, and durability are critical, valve quality cannot be compromised. SHORITSU SEISAKUSHO, a pioneer in Japanese valve manufacturing, presents its line of Forged Steel Valves—engineered for high-pressure, high-temperature applications. This product is a hallmark of precision and robust reliability, designed for global industrial sectors that demand uncompromised control and longevity.


Forged steel valves displayed against a dark background, labeled as Compact, API602 Extended, Non-Bonnet, and more. Company logo visible.
SHORITSU SEISAKUSHO's range of forged steel valves for industrial high-pressure systems, including various types such as compact, integral flanged, and non-bonnet designs.

Benefits of SHORITSU SEISAKUSHO Forged Steel Valves

SHORITSU SEISAKUSHO's Forged Steel Valves are crafted with superior Japanese manufacturing standards and are designed to perform consistently under demanding operational conditions. Here's what sets them apart:

Uncompromised Performance and Safety

  • Available in Gate, Globe, and Check valve types

  • Compliant with API, ASME, and JIS standards

  • Pressure classes: 150, 300, 600, 800, and 1500

  • Size range: ½" to 2" (DN15 to DN50)

Material Excellence

  • Forged from carbon steel, stainless steel, alloy steel, and duplex steel

  • Designed to resist corrosion, temperature fluctuations, and wear

Design Versatility

  • Options for bolted bonnet, welded bonnet, and pressure seal bonnet

  • Customizable for sour service, cryogenic, or high-temperature environments


Forged steel valves displayed on a dark background. Labels include pressure seal, instrument, cryogenic, cylinder, and motor-operated types.
Forged Steel Valves by SHORITSU SEISAKUSHO: Industrial-grade valves for high-performance applications, including pressure seal bonnet, instrument screw hood, cylinder, cryogenic service, instrument non-bonnet, and electric motor-operated options.

Technical Advantages of SHORITSU SEISAKUSHO Forged Steel Valve Solutions

Wide Range of Specialized Valve Types

SHORITSU SEISAKUSHO offers an extensive lineup of forged steel valves to suit diverse industrial needs:

  • Compact Valves and Compact Angle Valves for space-efficient installations

  • API602 Extended Valves for high-integrity shut-off in process systems

  • Integral Flanged Valves for flange connection reliability

  • Non-Bonnet Valves (Class 4500) and Non-Bonnet Y Valves for ultra-high-pressure services

  • Pressure Seal Bonnet Valves for thermal cycling applications

  • Cryogenic Service Valves designed for extremely low temperatures

  • Instrument Valves (Screw Hood and Non-Bonnet types) for precise instrumentation control

  • Cylinder Valves and Electric Motor Operated Valves for remote or automated flow regulation

Precision Control for Critical Applications

SHORITSU SEISAKUSHO Forged Steel Valves ensure leak-tight shut-off and controlled flow, making them ideal for use in:

  • Power plants

  • Chemical processing facilities

  • Oil & gas refineries

  • Industrial piping systems

Built to Last

These valves are engineered for low-maintenance operation, ensuring long service life even in the most aggressive environments. Reference Drawings : ( pdf ) Catalogue download: ( FORGED STEEL VALVE CATALOGUE（FILE SIZE 15MB） ) ( VALVE USER GUIDE )

Contact Nichiboku Ltd. Today

Explore how SHORITSU SEISAKUSHO’s Forged Steel Valves can elevate the safety and efficiency of your industrial system.



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