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The WellMark inline check valve is for liquid, air, gas, vapor, steam, or cryogenic service. It is also suitable for injection lines such as chemical and lubrication. The standard spring opens with 10 psi flow pressure.
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WellMark LLC - 1903 SE 29th Street - Oklahoma City, OK 73129
Tel: 405-672-6660 - Fax: 405-672-6661