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◆ Low pressure drop
◆ M-19 Viton seals
◆ Thermal relief valve
◆ Protective shear groove
The TDW 70 vertical check valve
is an economical alternative for compliance with
the EPA regulations for leak detection. When installed
directly below the suction pump and with below-grade
piping sloped back to the storage tank; this vertical
check valve helps eliminate the need for monthly
monitoring or line
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