Home > Product > Ball Valve > Based on Material Type > Cast Iron Ball Valves
If you’re looking for a reliable yet cost-effective valve solution for low to medium pressure systems, Cast Iron Ball Valves are the perfect fit. At Perfect Engineers, we offer robust and durable CI ball valves that provide smooth on/off operation, high flow efficiency, and low maintenance—perfect for general utility applications in HVAC, water distribution, industrial piping, and irrigation systems.
These valves are ideal for systems where cost matters, but reliability cannot be compromised.
A Cast Iron Ball Valve is a quarter-turn shut-off valve made from grey cast iron (GG20/GG25) or ductile iron (GJS400). It is designed for use in non-corrosive media like water, air, or oil, typically in pressure ranges up to 16 bar.
They are widely used in:
| Parameter | Specification |
|---|---|
| Size Range | 1½” to 12” |
| Pressure Rating | PN10 / PN16 / Class 150 |
| Body Material | Cast Iron (GG25) / Ductile Iron (GJS400) |
| Seat Material | PTFE, NBR, EPDM |
| End Connections | Flanged (ANSI 150 / DIN PN16) |
| Operation | Manual (Lever or Gear Operated) |
| Temp Range | -10°C to +120°C |
| Design Standard | ASME B16.34 / BS 5351 / EN 12266 |
| Feature | Grey Cast Iron (CI) | Ductile Iron (DI) |
|---|---|---|
| Pressure Strength | Up to 10 bar | Up to 16–25 bar |
| Impact Resistance | Moderate | ✅ High |
| Flexibility | ❌ Brittle | ✅ Ductile (non-cracking) |
| Cost | 💰 Lower | 💰💰 Slightly higher |
| Ideal Use | Basic water & air lines | Industrial & pressure pipelines |
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Not recommended. For aggressive or corrosive media, choose SS or CPVC valves.
Typically up to 120°C, depending on seat material and media.
Only for low-pressure saturated steam, and with graphite packing. Otherwise, use carbon steel.
Yes. We offer ISO 5211 mounting pads for actuator-ready DI valves.
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