Shoritsu Seisakusho Cylinder Gate Valve: Precision Forged for Industrial Reliability

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Introduction

In demanding industrial environments, valve integrity is essential for ensuring safety, efficiency, and long-term performance. Shoritsu Seisakusho Cylinder Gate Valve exemplifies the strength and precision of Japanese forged steel engineering. As an authorized distributor, Nichiboku Ltd. proudly promotes these valves as part of its commitment to providing dependable, high-performance industrial solutions to global clients.excellence that Japan is known for.

Shoritsu Seisakusho Cylinder Gate Valve: Precision-forged for industrial applications, featuring versatile material options like carbon steel and stainless steel, available in manual, electric, and air cylinder operations.

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Unmatched Strength of the Shoritsu Seisakusho Cylinder Gate Valve

Each Shoritsu Seisakusho Cylinder Gate Valve is produced under a fully integrated manufacturing system — from steel cutting and forging to machining, assembly, and final inspection. This seamless process guarantees consistent quality and traceability, enhancing both the durability and reliability of the final product.

Forged construction eliminates material porosity and refines the metal grain structure, resulting in superior:

• Mechanical strength and impact resistance

• Fatigue endurance under cyclic pressure

• Leak-free sealing performance even in high-pressure environments

This level of metallurgical integrity makes the Shoritsu Seisakusho Cylinder Gate Valve ideal for use in high-stress systems including petrochemical, power generation, and heavy machinery applications.

Technical Specifications of Shoritsu Seisakusho Cylinder Gate Valve

Specification	Details
Type	Gate Valve, Globe Valve, Check Valve, and Needle Valve
Style	BB, WB, NB, PSB, and others
Class	150–4500
Size	1/4 inch – 2 inch
Materials	Carbon Steel, Stainless Steel, Low Alloy Steel, and others
Operating	Manual Handwheel, Electric Motor, Air Cylinder, etc.

Engineered for High Pressure and Safety

Certified under Japan’s High Pressure Gas Safety Act, the Shoritsu Seisakusho Cylinder Gate Valve undergoes rigorous pressure and leak testing (in accordance with JPI-7S-57 and API STD 602 standards).

Key performance advantages include:

• Pressure ratings up to Class 800 (API Std. 602)

• Socket welding and threaded end connections for flexible installation

• Stainless steel trim (13Cr, 304, 316) options for corrosion resistance

• Compact bolted bonnet and outside screw & yoke (OS&Y) design for maintenance efficiency
  

These valves meet both JIS and ANSI standards, ensuring global compatibility and easy system integration.

Trusted by Industry Worldwide

With decades of experience and ISO 9001 certification, Shoritsu Seisakusho Co., Ltd. continues to advance valve technology through innovation, quality assurance, and reliability. Their products are extensively used across:

• Petroleum refining and chemical plants

• Inorganic chemistry and fertilizer production

• Electric power generation facilities
  

For engineers and procurement specialists seeking Japanese precision valves, the Shoritsu Seisakusho Cylinder Gate Valve delivers proven value and long operational life. Reference Drawings : ( pdf ) Catalog: (details)

Valve User Guides

There are complete sets for various valve types of ” VALVE USER GUIDE”.

Kinds of Valve User Guide	Code
BB-OS&Y TYPE	E199801
PRESSURE SEAL BONNET TYPE	E199802
NON-BONNET TYPE	E199803
LONG BONNET TYPE FOR LOW TEMPERATURE SERVICE (LNG)	E199804

Boost engineering efficiency with the Shoritsu Seisakusho Valve Model Code Generator App by Nichiboku Ltd., transforming complex valve configurations into precise model codes effortlessly.

The Nichiboku Advantage

Partnering with Nichiboku Ltd. means gaining access to premium Japanese industrial products and technical expertise.

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