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The blocking valve is a single acting spring return 2/2 valve in a fitting format. The device requires a pneumatic pilot signal to open, which allows free flow of air or natural gas. As long as the pilot signal is present, the device will remain open. When the pilot signal is removed, the internal spring will close the blocking valve.
These devices have two primary design uses:
1. To prevent unwanted gravity induced motion in cylinders during shut down procedures or during periods of lost supply pressure.
2. Freezing the cylinder position by using a blocking valve at each end of the cylinder.
Applications include tool or workpiece protection, horizontal indexing or inspection stops.
Markets
• Factory Automation
• Vehicle Assembly Facilities
• Packaging Machinery
• Miscellaneous Industrial
• Miscellaneous Manufacturing
Features / Benefits
• Push-in or threaded connection: ease of use
• Excellent vibration resistance
• Compact
• Lightweight
Applications
• Tool or workpiece protection
• To prevent unwanted gravity induced motion in cylinders during shut down procedures or during periods of lost supply pressure
• Freezing the cylinder position
| Literature and Reference Materials |
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| CATALOGUE - Parker Pneumatic Control Accessories, PDE2566TCUK - EMEA |
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