Home > Product > Ball Valve > Ball Valves Based on Operation
At Perfect Engineers, we understand that choosing the right valve isn’t just about size and material—it’s also about how you want it to function in real-world plant conditions.
Do you need a simple manual shut-off valve for a water line? Or a fully automated valve that integrates with your PLC or SCADA system? Understanding the different operation modes helps you reduce downtime, avoid manual errors, and improve flow control accuracy.
Let’s walk you through each operation type.
The operation of a ball valve refers to how the ball is turned inside the valve body to start or stop flow. This can be done:
Each method has pros and cons depending on system size, pressure, fluid type, and required control.
What It Is:
You operate the valve using a lever or handwheel. A simple 90-degree turn opens or closes the valve.
Features:
Best For:
What It Is:
The valve is opened or closed using compressed air connected to a pneumatic actuator (single or double acting).
Features:
Available Controls:
Best For:
What It Is:
An electric motor rotates the ball via actuator, offering precise and programmable control.
Features:
Best For:
Description:
When speed, safety, and durability matter, Pneumatic Actuated Ball Valves are the top choice for automated flow control. At Perfect Engineers, we manufacture and supply air-operated ball valves that deliver quick on/off actuation, minimal maintenance, and seamless integration with industrial automation systems like PLC, SCADA, and DCS.
Advantages:
Description:
If you’re dealing with hydraulic oil, diesel, glycol, or pressurized fluids, our valves are your trusted shut-off and directional control solution—delivering safe, responsive, and long-lasting performance in even the most demanding applications.
Key Features of Our Hydraulic Ball Valves
Used for larger valve sizes (typically above 6”)
Reduces torque, makes manual operation easier
Best for: high-pressure lines, steam, oil
| Operation Type | Cost | Control | Speed | Automation | Power Needed |
|---|---|---|---|---|---|
| Manual | 💰 | Basic | Instant | ❌ No | ❌ No |
| Pneumatic | 💰💰 | Medium | 1–2 secs | ✅ Yes | ✅ Air Supply |
| Electric | 💰💰💰 | High | 3–10 secs | ✅ Yes | ✅ Electricity |
| Gear Operated | 💰💰 | Manual | Medium | ❌ No | ❌ No |
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Pneumatic valves are faster (1–2 seconds). Electric valves offer better positioning.
Uses air for both opening and closing (safer for fail-safe operations).
Yes. No air exhaust = cleaner environment. Preferred in pharma/food.
Use spring-return pneumatic valves or motorized actuators with fail-safe position.
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