The DFT? Model DLC? is a corrosion resistant, dependable, versatile and economical spring assisted, in-linecheckvalve for a wide range of applications.
抗腐蚀、通用和可靠的弹簧止回阀,经济型、管内螺纹,适用于大部分设备。
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The in-line spring-actuated lift check also is referred to as the "silent check" because the spring closes the valve before gravity and fluid reversal can slam the valve closed.