PRODUCT DATA SHEET 671295 | EMERGENCY VALVE SUMP The Emco Wheaton 671295 Emergency Valve Sumps are designed for easy welding to aluminium tank shells. These sumps ensure maximum drainage of the tank compartment and full flow through the 4” emergency valves. These 671295 sumps can be welded into the tank shell by cutting a hole and welding around the sump. 671295 FEATURES & BENEFITS Supplied drilled and tapped to enable good fixing of emergency valve. Suitable for Emco Wheaton emergency valves with 4“ inlet flanges and TW (CEN) flange drilling. Sump material is aluminium for easy fabrication to aluminium tank shell. Drilled and tapped holes should face downwards to accept the emergency valve and the sumps should be level in all planes. In order to prevent distortion, we suggest that a substantial steel plate (e.g. 12mm thick minimum) should be bolted to the aluminium sump during welding, utilizing all 8 holes. * * * * *
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