Precision Control with Shoritsu Seisakusho Instrument Screw Hood - Needle Valve

Luis Alberto Fing
Oct 18
2 min read

Welcome to Nichiboku's industrial Blog

Introduction

In demanding industrial environments, precise flow control is vital to ensure system stability and safety. The Shoritsu Seisakusho Instrument Screw Hood - Needle Valve, supplied by Nichiboku Ltd., delivers exceptional accuracy, durability, and reliability. Engineered in Japan with forged steel construction, this valve is a trusted solution for high-pressure and instrumentation applications worldwide.

A silver needle valve against a dark gradient background. Text describes specifications: type, style, class, size, materials, and operation. — This forged needle valve, engineered by Shoritsu Seisakusho and supplied by Nichiboku Ltd., offers superior precision and reliability for high-pressure applications. Crafted from robust materials like carbon and stainless steel, it accommodates various valve types and operates manually or with electric and air systems.

Engineered for Performance and Longevity

The Shoritsu Seisakusho Instrument Screw Hood - Needle Valve exemplifies the company’s long-standing expertise in forged valve manufacturing. Built through a fully integrated production system—from steel cutting and forging to machining, assembly, and inspection—each valve reflects Shoritsu’s ISO9001-certified quality assurance.

Technical Specifications

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.

These specifications underline the valve’s versatility and adaptability for diverse industrial systems requiring high precision and pressure endurance.

Key Features: Shoritsu Seisakusho Instrument Screw Hood - Needle Valve

Forged Steel Body Construction: Enhances material strength and ensures long-term durability even under severe conditions.
Precision Needle Mechanism: Provides fine flow regulation ideal for instrumentation and process control systems.
Threaded or Socket-Weld Connection: Simplifies installation while maintaining high integrity sealing.
Compliance: Manufactured under API STD 602 and JPI-7S-57 standards, ensuring international compatibility and performance reliability.

Applications Across Critical Industries

The Shoritsu Seisakusho Instrument Screw Hood - Needle Valve is widely used in:

Petroleum refining and petrochemical plants
Inorganic and chemical fertilizer industries
Power generation systems
High-pressure gas and instrumentation systems

These applications demand precise flow control, leak prevention, and dependable operation—qualities that define Shoritsu’s valve engineering.

Japanese Forging Excellence

Unlike cast products, Shoritsu’s forged valves feature dense, uniform grain structures, achieved by compressing metal during forging. This process eliminates voids and enhances resistance to stress, vibration, and fatigue—ideal for high-pressure industrial systems where safety and precision are non-negotiable. 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

Office scene with workers on computers. Focus on a screen displaying "Shoritsu Seisakusho Valve Model Code Generator" app. Bright setting. — 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.