Crispin Support Valves can help solve a variety of installation and maintenance-related issues.
abbreviations used for product Compliance
The Crispin Negative Pressure Valve is designed to release air automatically from pipeline siphons. With peripherally guided floats, it meets all ANSI/AWWA C-512 standards, and is available in sizes ½” thru 4”.
These AWWA C-512 valves release air automatically from pipeline siphons. Sizes ½” thru 4” available.
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