1. General Description
The AUDCO All-Ball Valve is a quarter-turn, two-piece/floating ball valve designed for reliable shut-off and control in a wide range of industrial applications. It features a full-bore/regular bore design, ensuring minimal pressure drop, with an anti-blowout stem, fire-safe design, and robust sealing arrangement.
2. Design Standards
Design & Manufacture: API 608 / BS 5351
Inspection & Testing: API 598 / ISO 5208
Fire-Safe Design: API 607 / BS 6755 Part 2
Threaded Ends: BSP / NPT as per ASME B1.20.1
Socket Weld Ends: ASME B16.11
Butt Weld Ends: ASME B16.25
Flanged Ends: ASME B16.5
3. Construction Features
Floating Ball Design
Quarter-Turn Operation
Fire-Safe & Antistatic Design
Full Bore & Regular Bore Options
Blowout-Proof Stem
ISO Mounting Pad for Automation (Optional)
4. Materials of Construction (Typical)
| Part | Material (Standard) |
|---|---|
| Body | ASTM A216 WCB (Carbon Steel) / CF8M (Stainless Steel) |
| Ball | AISI 316 Stainless Steel (CF8M) |
| Stem | AISI 410 / AISI 316 Stainless Steel |
| Seat | PTFE / RPTFE / Devlon / Nylon (as per service) |
| Body Seal | PTFE / Graphite |
| Lever Handle | Carbon Steel with Vinyl Sleeve |
5. Pressure Ratings
Class 150: up to 19.6 bar (285 psi) at 38°C
Class 300: up to 51.1 bar (740 psi) at 38°C
Screwed End Valves: 1000 WOG (Water, Oil & Gas)
Socket Weld Valves: 1500 WOG
6. Temperature Range
PTFE Seats: –29°C to +180°C
RPTFE Seats: –29°C to +200°C
High-Temp Seats (Graphite/Devlon): up to +260°C
7. End Connections
Screwed Ends: BSP / NPT
Socket Weld Ends
Butt Weld Ends
Flanged Ends: ASME Class 150 / 300
8. Applications
Oil & Gas Industry
Refineries & Petrochemicals
Chemical Processing
Power Plants
Steam, Water, Gas, & Air Services
General Industrial Shut-Off Applications
9. Advantages
Compact, lightweight design
Zero leakage shut-off (bubble-tight)
Fire-safe certified design
Easy operation (quarter-turn)
Wide range of sizes and pressure classes
Available in both manual and actuated versions
