TongBall stainless steel valve balls is an industrial all-rounder, suitable for applications ranging from cryogenic to medium-temperature conditions. Through precise cold heading, heat treatment, and fine machining, it offers customizable hardness (up to HRC 60+ for martensitic type) and excellent corrosion resistance. It can handle water, steam, fuel, chemicals, and food media. The 17-4PH version is particularly suitable for demanding industrial and marine applications.
Size Range | 1/2"- 56" (Custom Sizes Available) | |
| Pressure rating | PN10-PN420 (Class 150-4500) | |
| Ball Material | F304/F304L /1.4301 F316/F316L/1.4401 | |
| Manufacturing Process | Forging | |
| Coaxiality | ≤0.01mm | |
| Roundness Accuracy | ≤0.02mm | |
| Surface Roughness | Ra ≤ 0.4 μm | |
| Outside Diameter Tolerance | 1/2" - 4" : +0.03 mm | 6" - 12" : +0.05 mm |
| Inner Diameter Tolerance | 1/2" - 4" : 0~ +0.03 mm | 6" - 12" : 0~+0.05 mm |
YONGJIA TONG BALL VALVE CO.,LTD.
Anfeng Industrial zone, Oubei Town Wenzhou China
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