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Catalog HY14-2405/US Mobile Accessory Valves Technical Information Series DXV General Description Series DXV relief valves are direct acting, crossover reliefs (cushion valves). They are designed to eliminate or minimize shock, surge, or overload conditions on hydraulic equipment. They may be used with cylinders of equal displacement, or with motors to provide crossover relief when the motors are stopped. Operation The DXV relief valve relieves oil from one side of the actuator to tank, therefore reducing shock and preventing overload. It also eliminates cavitation and the need for a separate tank connection. The valve should be installed as close to the actuator as possible for best results. Features • Compact, low profile design Hardened seats for long life Fast response to cushion shocks and protect actuators High tensile, compacted graphite body Specifications Input Flow Operating Pressure 37.5 LPM (10 GPM) SAE Ports 210 Bar (3000 PSI) NPTF Ports 138 Bar (2000 PSI) Operating Temperature Nitrile Seals: Range (Ambient) -40°C to +93°C (-40°F to +200°F) Material Body – High strength cast iron Filtration Poppet – Hardened and ground steel ISO Code 16/13 SAE Class 4 or better Mounting Position In-line; no restrictions DXV.p65, dd 11 Relief A Ordering Information DXV Direct Acting Crossover Relief Port Size Code Description 8 SAE-8 (3/4" - 16 UNF) 10 SAE-10 (7/8" - 14 UNF) 38 3/8" - 18 NPT 50 1/2" - 14 NPT 75 3/4" - 14 NPT Adjustment Option Parker Hannifin Corporation Hydraulic Valve Division Elyria, Ohio, USA Pressure Range Code Setting Range 400 28 Bar (400 PSI) 3.5 - 28 Bar (50 - 400 PSI) 750 53 Bar (750 PSI) 28 - 53 Bar (400 - 750 PSI) 900 64 Bar (900 PSI) 53 - 64 Bar (750 - 900 PSI) 1300 92 Bar (1300 PSI) 64 - 92 Bar (900 - 1300 PSI) 1450 103 Bar (1450 PSI) 91 - 103 Bar (1300 - 1450 PSI) 1800 128 Bar (1800 PSI) 103 - 128 Bar (1450 - 1800 PSI) 2000 142 Bar (2000 PSI) 128 - 142 Bar (1800 - 2000 PSI) 3000* 210 Bar (3000 PSI) 142 - 210 Bar (2000 - 3000 PSI) * SAE ported bodies only. Service Parts Actuator A Actuator B Valve A Valve B Code Description Omit Shim Adjustable Upper Relief Valve Seal 2115N-7 Relief Adjustments Shim Adjustment 100 PSI 00462001 150 - 250 PSI 00459001 250 - 450 PSI 00458001 Note: The body and the internal parts of the relief valve (including the spring) are non-service items. Relief B
Catalog HY14-2405/US Dimensions Inch equivalents for millimeter dimensions are shown in (**) DXV.p65, dd 48.5 (1.91) Mobile Accessory Valves Series DXV 12 101.5 (4.00) 25.4 (1.00) 138.9 (5.47) 50.8 (2.00) 25.4 (1.00) 8.74 (0.34) Dia. Hole (2) 10.1 (0.40) 74.7 (2.94) 94.7 (3.73) Parker Hannifin Corporation Hydraulic Valve Division Elyria, Ohio, USA
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PRESSURE DROP DATA (typical) DIMENS
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DIMENSIONS VLS FUSING FLOW 2 Parker
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ORDERING CODE Model Code Model Inle
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