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Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve – Precision and Strength in High-Pressure Applications
- Luis Alberto Fing
- Oct 18
- 2 min read
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Introduction
Engineered to meet the most demanding industrial standards, the Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve represents the excellence of Japanese forging technology. Designed for superior reliability in high-pressure environments, this valve delivers long-term performance and safety across energy, petrochemical, and heavy industrial applications.
Technical specifications
Type | Gate Valve, Globe Valve, Check Valve and Needle Valve |
Style | BB, WB, NB, PSB and etc. |
Class | 150~4500 |
Size | 1/4 inch ~ 2 inch |
Materials | Carbon Steel, Stainless Steel, Low Alloy Steel and etc. |
Operating | Manual Handwheel, Electric Motor, Air Cylinder etc. |
Built for durability and pressure integrity
The Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve is a forged steel masterpiece developed under Shoritsu’s fully integrated production system — from raw material cutting and forging to machining, assembly, and inspection.This one-source manufacturing process ensures exceptional consistency, mechanical strength, and tight pressure sealing capability.
The Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve is specifically engineered for high-pressure (Class 900–2500) and high-temperature operations, making it ideal for use in power generation plants, refineries, and chemical facilities. The self-energizing pressure seal design provides superior sealing performance under increasing pressure — a hallmark of precision Japanese engineering.
Key features and benefits: Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve
Pressure Class Range: Available in Class 900 to 2500
Construction: Forged steel body with pressure seal bonnet for secure, leak-free operation
Applications: Designed for steam, oil, gas, and chemical process lines
Durability: Resistant to thermal stress and vibration due to high-density forging
Maintenance Efficiency: Simplified internal access for inspection and repair
Compliance: Manufactured under ISO 9001 certification and approved under Japan’s High Pressure Gas Safety regulations
Each Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve undergoes rigorous pressure and leakage testing based on JPI-7S-39 and API standards, ensuring unmatched safety and operational reliability.
Precision forging for superior strength
The advantage of the Shoritsu Seisakusho Pressure Seal Bonnet Globe Valve lies in its ability to eliminate internal voids and refine the metal grain structure. The result is a valve body with excellent tensile strength and resistance to fatigue — ideal for facilities that require continuous high-pressure service without compromise.
Applications in modern industry
These valves are widely installed in:
Thermal and nuclear power plants
Petroleum refining and petrochemical complexes
Inorganic chemical and fertilizer production lines
Industrial gas and energy transport systems
Engineers and plant operators trust Shoritsu Seisakusho Pressure Seal Bonnet Globe Valves for their consistent performance and durability even in the harshest service conditions.
Reference Drawings : ( pdf )
Catalog: (details)
Valve User Guides
There are complete sets for various valve types of ” VALVE USER GUIDE”.
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