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GENERAL PURPOSE BALL VALVE-IS 9890
Size : 10mm to 600mm
Scope
A ball valve is a quarter-turn valve in which flow is controlled by a spherical “ball” with a bore (hole) through it. When the ball is rotated 90° (a quarter turn), the bore aligns (open) or is perpendicular (closed) to the flow path—thus allowing or blocking flow.
Because of the shape, ball valves provide tight shutoff (low leakage) and can be quickly operated (open or close with one 90° turn)
- Product Standard: IS 9890
- Pressure Rating: W.R.T Class of Valve
- Size Range: 50mm to 600mm
Material Table & Components
| Components | Cast Iron Valves | Carbon Steel Valves | ||||
|---|---|---|---|---|---|---|
| Material | IS : | Grade | Material | IS : | Grade | |
| Body Body connector Insert Cover Ball |
Cast Iron | 210 | FG 220 | Carbon Steel | 2856 1875 2004 |
Gr I or II Cl 2 and 3 Cl 2 and 3 |
| Bolting | Carbon Steel : Min. tensile strength MPa 390 (N/mm²) | |||||
| Stem, Gland | Carbon Steel – Rust proofed | |||||
| Seals and Gasket | Manufacturer’s standard; suitable for duty | |||||
| Wrench/Handwheel | Malleable Iron, S.G. Iron or Steel | |||||