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These 685 series check valves can be used for a wide range of air and fluid applications. Polypropylene FKM seals Hastelloy spring High flow rate Seat area open diameter: 0.438" Positive seal at very low back pressure or slight vacuum Cracking pressure: 1/3 psi Check mechanism: Oring poppet Maximum pressure: 125 psi Maximum temperature: 140°F
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🇺🇸 Ship from USA · On Agora since 2025
$35.00