A pressure seal is a valve design concept that offers distinct advantages when compared to a conventional bolted body-to-bonnet sealing mechanism. When the system pressure is activated, the toe forms a seal that can maintain thousands of pounds of pressure and keep the system media contained within the valve.
| Model | Z40H, Z40Y, Z540Y, Z940H, Z940Y |
| Driving manner | Hand-operated, Gear-operated, Electric driving |
| Design standard | API600 |
| Face to face | ASME B16.15 |
| Class | 150, 300, 600, 900, 1500, 2500 |
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