Zhejiang Jigong Valve · 30-Year Professional Valve Ball Manufacturer

Founded in 1991, we focus on valve ball manufacturing. Located in Yongjia, Zhejiang, we own a 4,000 ㎡ modern factory and supply high-quality valve accessories worldwide.

We have a 70+ professional team with majority technical staff. Equipped with complete production and testing equipment, we implement strict quality control. We provide standard and customized valve balls to offer dependable fluid control solutions globally.

200+

Equipment
Machines

Precision Valve Ball for High Pressure System

Precision engineered solution for industrial high-pressure fluid control systems.

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By Seal Type
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By Structure
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By Port
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By Material
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By Spray
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By Function

By Seal Type

Valve Balls are available in soft seal and hard seal types, ensuring reliable sealing performance for different pressure and media conditions. More About..

By Structure

Valve balls are classified by structure into floating, trunnion-mounted, and fixed types, each designed for different applications and pressure conditions. More About..

By Port

Valve balls by port type include full port, reduced port, and V-port designs, suitable for different flow control and pressure conditions. More About..

By Material

Valve Balls are available in stainless steel, carbon steel, brass, and alloy materials to suit different corrosion resistance requirements and working conditions. More About..

By Spray

Valve Balls by coating type include chrome, nickel, and tungsten carbide coatings, which improve wear resistance and extend service life. More About..

By Function

Valve Balls by function include on-off, regulating, and special service types, designed for precise flow control and reliable sealing performance in industrial systems. More About..

Specialized Materials for Harsh Conditions

Highly Corrosive Conditions

Hastelloy: C276, C22

Monel Alloy: M400, K500

Alloy 20: Alloy 20

Duplex Stainless Steel: 2205, 2507

Titanium Alloy: TA2, TC4, Gr.2, Gr.5

Stainless Steel: 316L
High Temp / High Pressure Conditions

Inconel: 718, 625

Stellite Alloy: Stellite 12

Alloy Steel: F91, F22

Duplex Steel: F51, F60

Ceramic Materials: Al₂O₃, ZrO₂

Haynes 282
Cryogenic / Low Temp Conditions

Stainless Steel: F304L, F316L

Specialty Steel: 9% Ni Steel

Hastelloy: C276

Solid Solution Nickel Alloy: Inconel 625

Applicable Temperature Range: -196°C ~ 500°C

From cryogenic to ultra-high temperatures, and from highly corrosive to high-wear environments, Tuna Valves leverages a deep understanding of materials science and sophisticated specialty processes to fully unleash the potential of specialized materials. This ensures your valves achieve long-term stable operation in even the most extreme environments.

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24/7 Call Center

📞 +86-0577-67353799

Precision Manufacturing

Precision up to 0.001mm

Quality Assurance

ISO9001 Certified

Custom Service

Custom Valve Balls

Technical Support

Professional Engineers

Our Products

We work directly for our clients and put client’s interests first. Innovation Guides Us As Always

Floating Valve Ball
The floating valve ball adopts a trunnionless support structure, where the ball is only clamped by the valve stem and seat. It can generate a small axial...
Three-way Valve Ball
The three-way valve ball, through the internal L-shaped or T-shaped flow channel design, can achieve the diversion, confluence, or flow direction switching...
Valve Seat
The valve seat is a key sealing assembly dedicated to ball valve systems, creating a precision fit with the valve sphere to realize fluid shut-off, flow...
Valve Stem Ball
This one-piece stem integrated valve ball is a high-precision custom core component engineered for modern flow control systems. Adopting integral forging...
Fixed Valve Ball
The fixed valve ball rigidly secures the ball to the valve body through the upper and lower trunnions (valve stems). The ball only rotates around the axis...
Trunnion Valve Ball
Trunnion Mounted Valve Ball is a high-precision core component specially developed for heavy-duty ball valve systems. With integrated dual trunnion shafts...
Valve Body
The valve body is the core pressure-bearing shell component of the ball valve, providing installation space and sealing support for internal components such...
Valve Ball With Handle
The valve ball with a stem integrates the ball and the valve stem (handle) into one piece or firmly connects them through a key / flat structure, which can...

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Contact Details

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