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bar system within the dispenser sump or pan while the valve top is secured to the dispenser structure <br /> to ensure proper shearing action. OPW Vapor Line Shear Valves are designed to meet the <br /> requirements of NFPA-30A Section 4-3.7. Poppeted models are UL and CARB-approved. <br /> Table of Contents: <br /> 1. OPW 60VS <br /> 2. OPW 60VS Ordering Specifications <br /> 3. OPW 60V <br /> 4. OPW 60V Ordering Specifications <br /> 5. Additional Resources <br />