2 Inch Pneumatic Ball Valve Full-Port Explosion-Proof For Process Pipeline
2 inch pneumatic ball valve with full-port design & explosion-proof, for chemical, water-treatment and tank feed-out pipelines.
Description
1. Product Overview
The 2 inch pneumatic ball valve (DN50) uses compressed air to drive a pneumatic actuator, which rotates the ball 90° for on/off control. It is available with a full‑port (full‑bore) design, where the ball opening closely matches the pipe’s internal diameter – ensuring unimpeded high‑flow transmission. As the actuator contains no electrical components, the valve is inherently explosion‑proof, suitable for hazardous environments.
Two actuator versions are offered: double‑acting and single‑acting spring‑return; the latter automatically closes upon loss of air supply. Optional accessories such as solenoid valves and limit switches allow integration into plant pneumatic control systems. The valve supports flanged or NPT/BSP threaded connections, and is widely used in chemical mains, tank transfer lines, industrial water treatment, and other medium‑to‑large flow process piping.
2. Materials & Technical Specifications
| Parameter | Detail |
|---|---|
| Nominal size | 2 inch (DN50) |
| Drive type | Pneumatic actuator |
| Ball type | Full port (full bore) |
| Actuator type | Double‑acting / Single‑acting spring return |
| Connection | BSP / NPT threaded; flanged optional |
| Body material | Brass / SS304 / SS316 stainless steel |
| Air supply pressure | 0.4–0.7 MPa |
| Key features | Full‑bore high‑flow capability, explosion‑proof, air‑powered, tailored for large‑flow process lines |
| Optional accessories | Limit switches, solenoid valves, air preparation units (FRL) |
| Working pressure | 0.1–1.6 MPa |
| Medium temperature | –20°C ~ 150°C |
| Applicable media | Process water, chemical fluids, wastewater, oil‑gas auxiliary media, mildly corrosive fluids |
3. Application Scenarios
Typical deployments include main chemical process lines, industrial water treatment plants, tank loading/unloading pipelines, packaged wastewater treatment equipment, food‑processing conveying lines, hazardous‑area pipe networks, and factory circulating water systems.
4. Real‑World Project
At the Chem‑Process Ghent chemical facility in Ghent, Belgium, the 2 inch pneumatic ball valve has been extensively installed on main process headers. The full‑bore configuration ensures high‑volume media flow, while the spark‑free pneumatic design meets hazardous‑area safety standards, enabling reliable on/off control of process lines. For routine continuous conveying duties, the double‑acting 2 inch pneumatic ball valve is selected for standard switching requirements.
5. Selection Guide & Distinctive Strengths
Two core benefits define this valve:
-
Full‑port availability – provides ample flow cross‑section with low pressure drop, meeting the high‑capacity demands of DN50 pipelines and avoiding bottlenecks typical of reduced‑port designs.
-
Explosion‑proof operation – purely air‑driven, with no live electrical parts, eliminating spark risks in areas with volatile media.
For processes requiring emergency shut‑off upon air failure, choose the spring return 2 inch pneumatic ball valve. For corrosive chemical media, prefer the stainless steel 2 inch pneumatic ball valve. For central control systems needing valve‑position feedback, configure with the limit switch 2 inch pneumatic ball valve.
Note: A clean, dry compressed air supply is essential – moisture and particulates will shorten actuator service life. For hazardous installations, ensure all associated components meet the required explosion‑protection rating.The product complies with CE industrial standards. We provide installation guides, dimensional drawings, and selection manuals to facilitate system design and project acceptance for overseas engineering contractors. Bulk orders are welcome, and separate replacement pneumatic actuators are available to reduce future maintenance costs.
