Butterfly Ball Valve
Category: Brass & Bronze Valve
Overview
Butterfly ball valves combine the compact, lightweight form factor of a butterfly valve with the reliable sealing of a ball-valve seat arrangement. The disc rotates 90° for quarter-turn on/off operation. The brass body and chrome-plated disc suit potable water, compressed air, and general utility services. Available in threaded and flanged versions, making them adaptable for retrofit into existing butterfly or ball valve positions in commercial HVAC, water treatment, and building services piping.
Technical Specifications
| Body Material | Brass / Bronze |
| Disc Material | Chrome-plated brass / Nickel-plated brass |
| Seat/Seal Material | PTFE / EPDM |
| End Connection | Threaded BSP/NPT / Flanged PN16 |
| Pressure Rating | PN16 – PN25 |
| Temperature Range | -20°C to +120°C |
| Size Range | DN15 – DN100 (1/2″ – 4″) |
| Operation | Quarter-turn lever |
| Bore | Reduced bore |
| Standard | ISO 17292 / EN 331 |
Applications
- Commercial HVAC water isolation
- chiller and cooling tower service valves
- potable water distribution shut-off
- compressed air system isolation
- building services utility piping
- irrigation and water supply systems
Key Features
- Compact and lightweight — easy installation in tight spaces
- quarter-turn for fast operation
- cost-effective alternative to full-size ball valves
- PTFE/EPDM seat for bubble-tight shut-off
- lever lockable in open or closed position
- suitable for potable water (WRAS-grade elastomers)
For technical inquiries & custom orders: supakorn@stico.co.th | Tel: 02-035-9589
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