Home > Product > Ball Valve > Based on Body Construction >One-Piece Ball Valve
If you’re looking for a compact, leak-proof, and economical ball valve for low to medium pressure applications, the One-Piece Ball Valve is your go-to solution. At Perfect Engineers, we manufacture and supply high-performance one-piece ball valves that are ideal for water, air, gas, and utility lines in both industrial and commercial use.
These valves offer simple shut-off functionality, are lightweight, and require minimal maintenance, making them perfect for OEMs, contractors, and plant operators looking for reliable flow control at an affordable cost.
A One-Piece Ball Valve is a quarter-turn valve designed with a single-body construction. The entire valve body is made from a single solid casting, meaning it cannot be disassembled. This makes it robust, compact, and resistant to external leakage, while also keeping costs low.
| Parameter | Details |
|---|---|
| Sizes Available | ¼” to 2” |
| Body Material | SS304, SS316, Brass, PVC |
| End Connections | BSP / NPT Threaded (Female x Female) |
| Pressure Rating | Up to 1000 PSI (depending on material) |
| Temperature Range | -10°C to +180°C (SS) / -10°C to +60°C (PVC) |
| Seat Material | PTFE / RPTFE |
| Design Standard | ISO 5211, EN 12516, ASME B16.34 |
| Testing Standard | API 598 / EN 12266 |
| Handle Material | SS / Ductile Iron with PVC Grip |
| Operation | Manual (Lockable Lever Available) |
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It’s more compact, cheaper, and has fewer leak paths, making it ideal for low-cost shut-off applications.
No. For actuator compatibility, consider our two-piece or three-piece valves with ISO 5211 mounting pad.
Up to 1000 PSI, depending on size and design.
Yes—for LPG or low-pressure fuel lines, choose brass or SS fire-safe models with anti-static features.
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