No stem leakage... - Chemical & Engineering News Archive (ACS

Nov 6, 2010 - No stem leakage... Chem. Eng. News , 1965, 43 (25), Outside Back Cover. DOI: 10.1021/cen-v043n025.obc. Publication Date: June 21, 1965...
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No stem leakage...

because No pressure at the stem due to full bore TFE sleeve seal. "Lip" seal formed by TFE diaphragm with thrust collar designed to press it against stem. Stem packing is eliminated and so is packing maintenance cost. For the full value in valves always order... SLEEVELINE. Complete details in bulletin V-12. T H E

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