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5.5mm Relief Valve Reverse Flow

5.5mm Relief Valve Reverse Flow
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PRODUCT DATA SHEET LEE IMH 5.5 mm RELIEF VALVE REVERSE FLOW The Lee Company's new miniature, poppet-style Pressure Relief Valve provides a faster opening rate and more stable flow than typical ball style relief valves. Measuring just 5.5mm in diameter and 16.6mm long, the new valve weighs only 1.7 grams. Simple to install, the new Relief Valve uses Lee's field-proven insert principle that provides secure retention and eliminates the need for threads, o-rings or inhouse designs. To install, simply insert the relief valve into a drilled hole and drive the expansion pin flush to seal and lock the valve in place. Designed for reliable operation, the new Relief Valve features robust, all stainless steel construction and 100% performance testing to ensure consistent, long term performance. The new Relief Valve's compact size, superior performance, and ease of installation make it ideal for high volume applications in automotive, off-road, and other industrial hydraulic systems. Fast Opening Rate - Stable Flow - Minimizes System Stress 100% Tested - Improves System Level Yield Rates Small Size - Saves Space and Weight All Stainless Steel Construction - Compatible With Most Fluids Low Hysteresis - Improves System Performance 5.5mm RELIEF VALVE REVERSE FLOW INSTALLATION HOLE TAT AP vs. Flow on Hydraulic Fluid @ 80°F AP (Bar) 0 14 28 41 55 69 83 PART NUMBER Full Open Lohm Rate: 650 Lohms* Up Run Leak: Valve will flow less than 1.0 cc/min at 90% of cracking pressure. Flow Point: Valve flow point at 125% of nominal cracking pressure (See chart above.) Reseat: Valve will flow less than 0.05 LPM at 88% of nominal cracking pressure. Maximum Working Pressure: 280 Bar (4,060 psid) (Checked Direction) 280 Bar (4,060 psid) (Relief Flow Direction) Materials: Stainless Steel All flows specified on hydraulic fluid at 80°F * Lohm is a measure of flow resistance. See back page for more information. Typical Flow Curve for 40 Bar Valve The Lee Company - IMH Group, 82 Pequot Park, Westbrook, CT 06498 Tel: 860-399-6281 • Technical Info.: 860-399-7037 www.leeimh.com

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SIMPLE TO INSTALL Insert the relief valve into a drilled installation hole. Drive the expander pin flush to within 0.25mm (0.010") above flush of the relief valve body. Use a maximum installation force of 625 KgF (1,380 lbs. force). The installation tool can bottom on the insert body with no consequence. Lee Installation Tool part number CCRT0900120S is available. LOHM LAWS (Liquids) Every engineer will be interested in our simple system of defining the fluid resistance of Lee hydraulic components. Just as the OHM is used in the electrical industry, we find that we can use a liquid OHM or...

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