Ball Valves
2-piece, 3-piece, floating and trunnion-mounted ball valves for quick shutoff duty.
Technical data sheet
Ball Valve (2-Piece / 3-Piece / Floating / Trunnion)
Industrial ball valves for quick shutoff, low pressure drop, and bi-directional bubble-tight sealing. Floating-ball (2-piece / 3-piece) and trunnion-mounted variants for water, oil, gas, chemicals, and steam duty.
Characteristics
| Nominal size (DN) | mm | 8 to 600 |
|---|---|---|
| inch | ¼ to 24 | |
| Pressure rating | — | PN16 / PN25 / PN40 / PN64 / ANSI 150 / 300 / 600 / 900 |
| Body | — | Brass / Cast iron / Cast steel / SS 304 / SS 316 / Duplex |
| Ball | — | SS 304 / SS 316 — solid or chrome-plated |
| Seat | — | PTFE / RPTFE / Devlon / PEEK (high temperature) |
| Design | — | Floating ball (≤ DN150) / Trunnion-mounted (≥ DN150) |
| Stem | — | Stainless steel SS 316 — anti-blowout (one piece) |
| End connection | — | Threaded / Flanged / Socket-weld / Butt-weld |
| Bore | — | Full bore / Reduced bore |
| Temperature | °C | -29 to +200 (RPTFE seat); -29 to +260 (PEEK) |
| Standards | — | API 6D / API 608 / EN 12516 / IS 9890 / ISO 17292 |
| Applications | Use | Water, Compressed air, Gas, Oil, Steam, Chemicals, Cryogenic, Hydrogen (special) |
Material of Construction — Body & internals
- Body & end caps: Brass / Cast iron / Cast steel WCB / SS 304 / SS 316
- Ball: Stainless steel SS 304 / SS 316 — solid, polished surface
- Seat ring: PTFE / RPTFE (glass-reinforced) / Devlon / PEEK
- Stem: Stainless steel SS 316 — anti-blowout, one-piece
- Stem seal: PTFE chevron rings / graphite (fire-safe)
- Body gasket: PTFE / spiral-wound (steel) — replaceable
- Body bolts: Carbon steel / SS 316 — high-tensile
Material of Construction — Operation & accessories
- Handle: Stainless steel / aluminium — lever-type, lockable
- Gear operator (large sizes): Worm gear, weatherproof IP65
- Electric actuator: On/off or modulating, IP67
- Pneumatic actuator: Rack-and-pinion / scotch yoke, single / double acting
- Limit switch box: Aluminium die-cast, IP67
- Position indicator: Visual indicator on stem top
- Top flange: ISO 5211 — universal actuator mounting
Salient Features
- Quarter-turn (90°) operation — quick open/close
- Bi-directional bubble-tight shutoff (PTFE / RPTFE seats)
- Low pressure drop (full-bore variant)
- Anti-blowout stem — safe against pressure surges
- Lockable handle (open/close) — tagging-friendly
- Fire-safe variant available (API 607 / ISO 10497 certified)
- Anti-static device (spring-loaded) — for gas service
- Body relief at cavity (DBB — double block and bleed option)
- Standard ISO 5211 actuator-mounting top flange
- Conforms to API 6D / API 608 / EN 12516
Applications
- Water & wastewater shutoff
- Compressed air & instrument air
- Natural gas & LPG distribution
- Oil & petrochemical service
- Chemical & industrial process
- Steam shutoff (metal-seated)
- Cryogenic service (special extended-bonnet design)
- Mining & marine applications
For fire-safe service, specify API 607 / ISO 10497 certification at RFQ stage.
Cycle ball valves at least once a month in seasonal service to prevent seat sticking.
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