Pneumatic Valve
3PC Flanged Pneumatic Ball Valve
3PC 法兰气动球阀
OVERVIEW
A heavy-duty, fully automated ball valve featuring a three-piece body with flanged ends and a pneumatic actuator. The center body section can be removed without disturbing pipeline connections, making it ideal for frequent maintenance or cleaning.
Applications
▸High-purity and sanitary processes (food, bio-pharma)
▸Corrosive chemical lines (acids, solvents)
▸Pulp & paper, mining, and slurry services
▸High-cycle automated systems in refineries
Technical Specifications
01 — Features
Three-piece bolted construction – easy inline access to ball, seats, and stem
Flanged ends per ASME B16.5 (RF/FF) or EN 1092
Pneumatic actuator: double-acting or spring-return (fail-safe)
Blow-out proof stem, anti-static grounding, fire-safe design (optional)
Seat materials: PTFE, PEEK, or metal for high temperature
02 — Advantages
No pipe realignment needed when replacing internal parts – reduces downtime
Excellent for hygienic or aggressive media where quick seal replacement is required
Higher pressure and temperature capability compared to threaded ends
Actuator interchangeable without valve removal – ISO 5211 direct mount
03 — Standards
Design: ASME B16.34 / ISO 17292
Face-to-face: ASME B16.10 (flanged)
Testing: API 598 / ISO 5208
Materials: CF8, CF8M, CF3M, WCB, or duplex
Options: ATEX, SIL 2/3, NACE MR0175, 3.1 certification
