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These valves allow free flow in one direction and prevent flow in the reverse direction. Cracking pressure specified is the pressure required to open the valve and allow free flow.
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一、Specifications
Rated flow is the approximate flow rate, when there is a free flow pressure drop of maximum 0.3 MPa (44 PSI), the fluid has a specific gravity of 0.85 and a kinematic viscosity of 20 mm2/s (98 SSU), and the cracking pressure is 0.04 MPa (6 PSI).
二、Model Number Designation
Notes: Special seals (Viton seals) are required when phosphate ester type fluids are used. (Prefix "F-" to the model numbers when ordering.)
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