Safety Relief Valve - 8

Safety Relief Valve - 8

This 8-inch class safety relief valve is a critical component for the aeration and material handling systems of concrete batch plant silos. During pneumatic filling with materials like cement or fly ash, it automatically opens to release excess pressure, preventing structural damage to the silo. Conversely, it also provides vacuum relief by allowing air to enter the silo during rapid material discharge, preventing collapse. This valve serves as an essential safety backup to the primary dust collection and venting system, ensuring the silo's integrity. Its dual-action, self-resetting design makes it a necessary component for safe and reliable plant operations.

Key Features

• Dual-action design provides both over-pressure and vacuum relief for complete silo protection.
• Automatically opens when pressure exceeds a preset value and reseals when normal pressure is restored.
• Spring-loaded mechanism for reliable, automatic operation.
• Includes a weather protection cover to ensure reliable outdoor operation.
• Lightweight design for easy installation on the silo roof.
• Designed to work as a safety backup for the primary silo top dust collector/vent filter.

Fits These Mixers

Vince Hagan, CMW, Con-E-Co, Erie Strayer, Stephens, Donaldson Torit. Fits concrete batch plant silos from various manufacturers such as Con-E-Co, Vince Hagan, CMW, and Stephens that utilize an 8-inch class (DN200/DN250) flange-mounted pressure relief valve for cement, fly ash, or other pneumatically-conveyed materials.

All measurements ± standard manufacturing tolerance.

Product descriptions are drafted with automated tools and reviewed as time allows. While we work to keep them accurate, specifications and fitment should be confirmed with a Customer Service specialist at 800-745-3414 before purchase. Found an error? Let us know and we’ll fix it.