WebThe OPW 71SO Overfill Prevention Valve is designed to prevent the overfill of underground storage tanks by providing a positive shut-off of product delivery. The shut-off valve is an integral part of the drop tube used for gravity filling. The OPW 71SO allows easy installation (without breaking concrete) and requires no special manholes. WebJun 16, 2016 · The OPW 71SO is a vapor-tight two-stage shut-off valve. When the liquid level rises to about 95% of tank capacity, the valve mechanism is released, closing automatically with the flow. …
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WebThe OPW 71SO Overfill Prevention Valve is designed for tight fill, gravity drop applications to help prevent accidental or intentional overfilling of underground storage tanks. It is … WebOPW's 71SO-T Overfill Prevention Valve is the only UST Overfill Prevention Valve that is testable from the surface....without removal from the tank, which allows operators to test in 60 seconds vs. 60 minutes per tank. The 71SO-T is the easiest, quickest, most cost efficient way to ensure that your overfill valves will operate when called upon ... du sol cut off 2021
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WebThe CARB-certified OPW 71SO vapor-tight Overfill Prevention Valve is designed to prevent the overfill of underground storage tanks by providing a positive shut-off of product delivery. The shut-off valve is an integral part of the drop tube used for gravity filling. The OPW 71SO allows easy installation (without breaking concrete) and requires ... WebThe OPW 71SO allows easy installation (without breaking concrete) and requires no special manholes. The OPW 71SO-400C is a vapor-tight two-stage shut-off valve. When the liquid … WebRecovery Components, OPW 71S0-4:XXCT Series of Testable Overfill Prevention Valves · As you know, Assembly Bill 2955 (Statutes 2004, Chapter 649) added Health and Safety Code (H&SC), Chapter 6.7, Section 25290.1-.2(a). This addition requires the Air Resources Board cryptogram maker printable