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- Vent-Tech - Model SZG - Sewer Valve
Vent-Tech - Model SZG -Sewer Valve
The Vent-Tech model SZG sewer valves are air release and vacuum break valves designed to provide surge protection and seal at zero hydraulic head (i.e. no reliance on a minimum pipeline pressure to achieve seal). If the HGL is expected to be consistently maintained above 0 psi then use a Model SWG valve, otherwise we recommend specifying the SZG.
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The Market Leader in Zero Pressure Flat Float Valve Designs!
- Improved Air-Flow
- Enhanced Wear Resistance
- 0 psi Minimum Sealing
- Excellent for High Grease Applications
- Protect Pipeline from Collapsing due to Vacuum
- Maximize The Capacity of the Pipeline
- Surge Protection
- Column Separation Protection
- Durable, Reliable and Proven Design
- Low Maintenance Stainless Steel Construction
- Efficient, Effective and High Value - Best in Class!
- Preferred Valve of Top Civil Engineering Firms
Series C
- Exhaust large air at start-up
- Release accumulated air under pressure
- Admit large air under vacuum
- Surge control
Series B
- Exhaust small air at start-up
- Release accumulated air under pressure
- Admit large air under vacuum
Series V
- Exhaust large air at start-up
- Release accumulated air under pressure
- Admit large air under vacuum
- Surge control
Series N
- Admit large air under vacuum