English
Español
Deutsch
A ball valve can only provide reliable shutoff when its internal components work together with suffi...
Trunnion Valve Balls Maker
Understanding Fixed Ball Valve Ball Designs: What They Are and Why They Matter
A Fixed Ball Valve Ball is a precision-machined spherical sealing component installed inside a trunnion-mounted ball valve. Unlike floating ball designs, the ball is mechanically supported by upper and lower trunnions, allowing the valve to handle higher pressure, larger diameters, and more demanding operating conditions while maintaining stable sealing performance.
Different flow conditions require different internal passage structures. This is where specialized designs become important.
A Straight Channel Fixed Ball Valve Ball features a conventional straight-through bore, making it suitable for applications requiring minimal pressure loss and smooth media flow.
A Special Opening Fixed Ball Valve Ball incorporates customized port geometry designed for specific operating requirements, including flow regulation, media control, abrasive particles, or unique customer specifications.
From an engineering perspective, selecting the correct ball design is not simply about compatibility—it directly influences valve torque, pressure distribution, sealing stability, and maintenance intervals.
Excellent High-Pressure Sealing Performance
The trunnion-supported structure provides superior sealing stability compared with floating ball designs. It effectively reduces operating torque while maintaining reliable sealing performance under high-pressure and large-diameter operating conditions, making it suitable for demanding industrial environments.
High-Precision CNC Machining
Every Fixed Ball Valve Ball is manufactured using advanced CNC machining and precision grinding equipment to ensure excellent dimensional accuracy. Critical machining characteristics include:
- High Sphericity
- Excellent Roundness
- Accurate Bore Dimensions
- Precise Concentricity
- Stable Groove Positioning
- Consistent Surface Roughness
These machining capabilities contribute directly to long-term sealing reliability and valve performance.
Wide Material Compatibility
Different industrial applications require different material solutions. We support precision machining of various engineering materials, including:
- F304
- F316L
- CF8
- CF3M
- Duplex Stainless Steel
- Super Duplex Stainless Steel
- Monel Alloys
- Inconel Alloys
- Customer-Specified Materials
These materials provide excellent resistance to corrosion, high temperatures, low temperatures, and aggressive process media.
Multiple Surface Treatment Options
Surface treatment plays an important role in extending valve service life. According to different operating conditions, we offer:
- Mirror Polishing
- Hard Coating
- Overlay Welding
- Thermal Spraying
- Corrosion-Resistant Surface Treatment
Appropriate finishing methods help improve wear resistance, sealing performance, and overall durability.
Long Service Life and Lower Maintenance Costs
Precision manufacturing and optimized structural design help reduce operating torque, minimize wear, and improve sealing consistency throughout the valve's service life. This translates into lower maintenance frequency, reduced downtime, and lower overall lifecycle costs.
Suitable for Multiple Industrial Applications
Fixed Ball Valve Balls are widely used across various industries, including:
- Oil & Gas
- LNG
- Hydrogen Energy
- Chemical Processing
- Water Treatment
- Power Generation
- Industrial Automation
Different ball structures and material combinations can be selected according to actual working conditions to achieve reliable operational performance.
Excellent High-Pressure Sealing Performance
The trunnion-supported structure provides superior sealing stability compared with floating ball designs. It effectively reduces operating torque while maintaining reliable sealing performance under high-pressure and large-diameter operating conditions, making it suitable for demanding industrial environments.
High-Precision CNC Machining
Every Fixed Ball Valve Ball is manufactured using advanced CNC machining and precision grinding equipment to ensure excellent dimensional accuracy. Critical machining characteristics include:
- High Sphericity
- Excellent Roundness
- Accurate Bore Dimensions
- Precise Concentricity
- Stable Groove Positioning
- Consistent Surface Roughness
These machining capabilities contribute directly to long-term sealing reliability and valve performance.
Wide Material Compatibility
Different industrial applications require different material solutions. We support precision machining of various engineering materials, including:
- F304
- F316L
- CF8
- CF3M
- Duplex Stainless Steel
- Super Duplex Stainless Steel
- Monel Alloys
- Inconel Alloys
- Customer-Specified Materials
These materials provide excellent resistance to corrosion, high temperatures, low temperatures, and aggressive process media.
Multiple Surface Treatment Options
Surface treatment plays an important role in extending valve service life. According to different operating conditions, we offer:
- Mirror Polishing
- Hard Coating
- Overlay Welding
- Thermal Spraying
- Corrosion-Resistant Surface Treatment
Appropriate finishing methods help improve wear resistance, sealing performance, and overall durability.
Long Service Life and Lower Maintenance Costs
Precision manufacturing and optimized structural design help reduce operating torque, minimize wear, and improve sealing consistency throughout the valve's service life. This translates into lower maintenance frequency, reduced downtime, and lower overall lifecycle costs.
Suitable for Multiple Industrial Applications
Fixed Ball Valve Balls are widely used across various industries, including:
- Oil & Gas
- LNG
- Hydrogen Energy
- Chemical Processing
- Water Treatment
- Power Generation
- Industrial Automation
Different ball structures and material combinations can be selected according to actual working conditions to achieve reliable operational performance.
About
Zhejiang Boshi Valve Technology Co., Ltd.
Zhejiang Boshi Valve Technology Co., Ltd. was established in 2005 and specializes in manufacturing precision valve balls for ball valve manufacturers. Located in Wenzhou, Zhejiang, China, we have extensive experience supplying valve balls for international markets and provide custom manufacturing based on customer drawings, samples, and technical requirements.
Our in-house manufacturing capabilities include blank forging and pressing, steel plate rolling and welding, seamless pipe forming, and CNC machining. With integrated production management and quality control throughout the manufacturing process, we are committed to consistent product quality and reliable delivery.
Our valve balls are available in a wide range of materials, including 2Cr13, A105, LF2, F304, F316, F51, and F53. Our product range includes floating valve balls, trunnion valve balls, three-way valve balls, L-port valve balls, V-port valve balls, hard-seated valve balls, and other custom-designed valve balls for different applications.
We offer surface treatments and coatings including electroless nickel plating (ENP), tungsten carbide coating (TCC), and Stellite alloy coating (STL) to meet different requirements for hardness, corrosion resistance, and wear resistance. From raw material and machining to surface treatment and final inspection, we focus on quality, precision, and continuous improvement to meet the requirements of our customers.
Our in-house manufacturing capabilities include blank forging and pressing, steel plate rolling and welding, seamless pipe forming, and CNC machining. With integrated production management and quality control throughout the manufacturing process, we are committed to consistent product quality and reliable delivery.
Our valve balls are available in a wide range of materials, including 2Cr13, A105, LF2, F304, F316, F51, and F53. Our product range includes floating valve balls, trunnion valve balls, three-way valve balls, L-port valve balls, V-port valve balls, hard-seated valve balls, and other custom-designed valve balls for different applications.
We offer surface treatments and coatings including electroless nickel plating (ENP), tungsten carbide coating (TCC), and Stellite alloy coating (STL) to meet different requirements for hardness, corrosion resistance, and wear resistance. From raw material and machining to surface treatment and final inspection, we focus on quality, precision, and continuous improvement to meet the requirements of our customers.
Certificate of Honor
News & Blogs
-
-
A valve ball may have a relatively simple geometry, but choosing the right material and surface trea...
-
A ball valve may appear to be a straightforward flow-control product, but its performance depends on...
-
Zhejiang Boshi Valve Technology Co., Ltd. is participating in the 2026 Wenzhou International Pump &a...
Technical Specifications, Manufacturing Advantages & OEM Solutions
Technical Specifications
|
Item |
Specification |
|
Product Type |
Fixed Ball Valve Ball |
|
Available Designs |
Straight Channel / Special Opening |
|
Size |
Customized According to Drawings |
|
Pressure Rating |
ANSI 150LB–2500LB |
|
Materials |
F304, F316L, CF8, CF3M, Duplex, Super Duplex, Monel, Inconel |
|
Surface Treatment |
Mirror Polishing, Hard Coating, Thermal Spraying |
|
Manufacturing Process |
Precision CNC Machining & Grinding |
|
Standards |
API, ASME, DIN, ISO |
|
OEM Service |
Available |
|
Drawing-Based Manufacturing |
Supported |
Manufacturing Advantages
As an experienced valve component manufacturer, we provide complete precision manufacturing solutions for industrial valve balls.
Our manufacturing capabilities include:
- Advanced CNC Machining Centers
- Precision Grinding Equipment
- Strict Material Traceability
- Precision Dimensional Inspection
- Roundness and Sphericity Testing
- Surface Roughness Inspection
- Comprehensive Quality Control Throughout Production
These capabilities ensure consistent product quality and reliable performance for every project.
OEM & Customized Manufacturing Solutions
We specialize in OEM manufacturing based entirely on customer drawings and technical specifications.
Our customization services include:
- Manufacturing According to Engineering Drawings
- Customized Opening Geometry
- Special Slot Structures
- Non-Standard Dimensions
- Special Material Selection
- Surface Treatment Solutions
- Prototype Sample Production
- Small-Batch and Mass Production
- Engineering Technical Support
Our engineering team works closely with customers throughout the project to verify design details, optimize manufacturing feasibility, and ensure every component meets the required technical standards.
Frequently Asked Questions
Q1. What is the difference between a floating ball and a Fixed Ball Valve Ball?
A fixed ball is supported by upper and lower trunnions, providing better sealing stability and lower operating torque for high-pressure and large-size valves.
Q2. When should I choose a Straight Channel Fixed Ball Valve Ball?
It is recommended for applications requiring full-port flow, minimal pressure loss, and stable sealing performance.
Q3. What is a Special Opening Fixed Ball Valve Ball used for?
It is designed for customized flow control, special media handling, and customer-specific industrial applications.
Q4. Can you manufacture according to customer drawings?
Yes. We provide complete OEM manufacturing services based on customer drawings and technical specifications.
Q5. What materials are available?
We process stainless steel, duplex stainless steel, super duplex, Monel, Inconel, and other customer-specified materials.
Q6. What inspection methods do you provide?
We perform dimensional inspection, roundness testing, sphericity measurement, surface roughness inspection, and material traceability verification.
Q7. Do you support prototype production?
Yes. Prototype manufacturing is available before mass production to help customers verify product performance and compatibility.
Q8. Can you provide customized surface treatment solutions?
Yes. We offer mirror polishing, hard coating, thermal spraying, corrosion-resistant treatment, and other surface finishing options according to application requirements.
Floors 1–4, Building 25, No. 951 Jinhai Avenue, Yongxing Subdistrict, Longwan District, Wenzhou, Zhejiang, China.
Call Us: +86-17805778788
E-mail: [email protected]
LINKS
KEEP IN TOUCH
Copyright © Zhejiang Boshi Valve Technology Co., Ltd.
All Rights Reserved.
Stationary Valve Balls Maker
