| Floating Valve Balls | ||
| Size Range | 1/2" to 56" (Custom sizes available) | |
| Pressure Rating | PN10-PN420 (Class150-2500) | |
| Body Material | A105, A350 LF2, A182 F304, A182 F316, A182 F321, A182 F51, A182 F53, A182 F55, A182 F60, A182 F44, A564 630 (17-4PH) INCONEL625, INCONEL718, INCONEL825, Monel 400, Monel 500 etc |
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| Core Process/Coating | ENP,HCR,STL6, STL12, STL20,Cr3C2, WC-Co, WC-Cr3C2-Ni, TiC-NiMo, SiC, CrC,ZrO2, Al2O3, Cr2O3, ZnO, TiO, Al2O3-TiO2,STL1, STL6, STL12,Ni60, Ni55, Ni45 etc. | |
| Operating Temperature Range | ≤1200°C | |
| Parameter Category | Core Technical Parameters | Standards for Determining Advanced Technological Level |
| Machining ball accuracy | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Processing ball Roundness | ≤ 0.025 mm | ≤ 0.011 mm (Micron-Level ) |
| Balls concentricity | ≤ 0.025 mm | ≤ 0.005 mm (Ultra-High Precision) |
| Other supplements | ≤ 0.4 μm | ≤ 0.1 μm (Mirror-Level) |
| Parameter Category | Core Technical Parameters | Criteria for High-End Technical Level |
| Coating Thickness Control | Thickness Uniformity | Thickness deviation at any spherical position ≤±8% (stricter than the general ±10% standard) |
| Thickness Tolerance Range | 100 - 300 μm (common range for wear-resistant layers); special ranges can be noted. No missed spraying for ultra-thin coatings (<10μm) | |
| Coating Adhesion Performance | Surface Hardness | HV 1300+ |
| Bond StrengthBond Strength | ≥80 MPa | |
| Interface PorosityInterface Porosity | <0.5% | |
| Coating Surface Quality | Surface Roughness (Ra) | ≤0.2 µm |
| Spraying Accuracy (Positioning & Coverage) | Spraying Positioning Accuracy | ±0.1mm |
Core Product: Floating Stainless Steel Valve Balls
Our products are the core sealing elements designed specifically for floating valve architecture. Unlike trunnion-mounted balls, Floating ball valve balls undergo slight displacement under media pressure, pressing against the downstream seat to form a tight seal. This ingenious mechanical principle places extremely high demands on the ball's sphericity, surface quality, and material strength.
Precision Floating for Reliable Sealing
The superior sphericity of our Floating valve Balls ensures uniform contact with the seat surface. Precisely controlled geometry and mirror-like surface finishing enable bubble-tight sealing with relatively low operating torque, making them especially suitable for applications requiring frequent cycling or zero leakage.
Outstanding Performance of Stainless Steel
Stainless steel is the most classic and widely used material for floating ball valves. We offer comprehensive stainless steel valve ball (valve ball ss) solutions, with F304 valve balls and 304 valve balls being prime examples. AISI 304 stainless steel is the ideal choice for manufacturing ball valve ball float due to its well-balanced mechanical properties, excellent corrosion resistance, and superior machinability. It is widely used in water treatment, chemical, food & pharmaceutical, and general industrial sectors.
Process Optimized for Floating Structure
Manufacturing a high-performance stainless steel floating valve ball requires not only precision machining but also an understanding of its dynamic behavior within the valve. We optimize the dynamic balance of our balls to ensure smooth, unhindered floating within the valve cavity. Simultaneously, stringent heat treatment processes guarantee dimensional stability and sufficient mechanical strength to withstand long-term pressure differential loads.
Technical Focus: The Union of Floating Principle and Material Science
Pressure-Actuated Seal Design Support:
Our balls designed for floating valves feature dimensional tolerances that perfectly match the valve cavity, ensuring initial pre-sealing and efficiently converting system pressure into sealing force once established.
In-Depth Application of AISI 304 Material:
We have a profound understanding of the material properties of 304 valve balls. By controlling grain size and impurity content, our F304 valve balls combine good plasticity with strength, effectively absorbing minor impacts during floating, protecting the seats, and extending overall valve life.
Low-Torque Surface Technology:
To reduce valve operating torque, we employ super finishing and special treatments on the ball surface to minimize the coefficient of friction against polymer seats, making valve operation smoother and easier.
Why Choose TongBall's Floating Stainless Steel Balls?
Looking for Stable-Performing, Superior-Sealing Core Components for Floating Ball Valves?
Whether you need to procure standard 304 valve balls in bulk or require a custom high-performance stainless steel floating valve ball for special media, TongBall can provide full-process professional services-from material selection and process design to finished product delivery.
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