valutazioni - 2, GPA: 4
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It is important that you analyze all aspects of your application, including consequences of any failure, and review the information concerning the product or system in the current product catalogue. Due to the variety of operating conditions and applications for these products or systems, the user, through its own analysis and testing, is solely responsible for making the final selection of the products and systems and assuring that all performance, safety and warning requirements of the application are met. The products described herein, including without limitation, product features, specifications, designs, availability and pricing, are subject to change by Parker Hannifin Corporation and its subsidiaries at any time without notice. Offer of Sale Please contact your Parker representation for a detailed ”Offer of Sale”. Parker Hannifin Corporation II Catalog HY17-8505/UK Open-Center Directional Control Valve Contents VO40 Introduction.............................................................................................................................................................1 Technical Information General Description..........................................................................................................................................3 Operation..........................................................................................................................................................3 Benefits ............................................................................................................................................................3 Specifications ...................................................................................................................................................4 Weights.............................................................................................................................................................4 Connections .....................................................................................................................................................4 Performance Curves.........................................................................................................................................5 Environmental Characteristics..........................................................................................................................5 Schematic Circuit Types ...................................................................................................................................6 Dimensions....................................................................................................................................................7-8 Handle Actuation vs. Spool Direction ...............................................................................................................9 Ordering Information How to Order ..................................................................................................................................................10 General Valve Assembly.................................................................................................................................11 Inlet Cover .................................................................................................................................................12-13 Outlet Cover ..............................................................................................................................................14-15 Work Sections ...........................................................................................................................................16-20 Mid-Inlet..........................................................................................................................................................21 Assembly Configuration Form ............................................................................................................................22 Parker Hannifin Corporation III Catalog HY17-8505/UK Open-Center Directional Control Valve VO40 Conversion factors 1 kg = 2.2046 lb 1 N = 0.22481 lbf 1 bar = 14.504 psi 1 l = 0.21997 UK gallon 1 l = 0.26417 US gallon 1 cm3 = 0.061024 in3 1 m = 3.2808 feet 1 mm = 0.03937 in 9/5 °C + 32 = °F Parker Hannifin Corporation IV Catalog HY17-8505/UK Open-Center Directional Control Valve Introduction VO40 Breadth of Line Parker Hannifin is a Fortune 500 company with sales of $9 billion and over 400,000 customers in 43 countries. Parker is the world’s leading supplier of motion control components and system solutions serving the mobile, industrial and aerospace markets. Parker is your single source for any hydraulic valve requirement. We provide a wide selection of open-center and load-sense directional control valves for any construction, off-highway, or on- highway application. Many of our open-center valves can be adapted and used as closed-center, constant- ...