Sun Hydraulics  RPECCGV 溢流阀

Sun Hydraulics RPECCGV 溢流阀-产品快照

品牌:
Sun Hydraulics
型号:
RPECCGV

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上海萨弗工控设备有限公司 021-51095192
上海伦萨液压设备有限公司 021-69008526
升旭液压系统有限公司 021-51162862
橡达油压机械(上海)有限公司

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产品介绍

Sun Hydraulics RPECCGV 溢流阀

RPECCGV - Pilot operated, balanced piston relief valve

Sun Hydraulics

Pilot-operated, balanced-piston relief cartridges are normally closed pressure regulating valves. When the pressure at the inlet (port 1) reaches the valve setting, the valve starts to open to tank (port 2), throttling flow to regulate the pressure. These valves are accurate, have low pressure rise vs. flow, they are smooth and quiet, and are moderately fast. All 2-port relief cartridges (except pilot reliefs) are physically and functionally interchangeable (same flow path, same cavity for a given frame size). Will accept maximum pressure at port 2; suitable for use in cross port relief circuits. If used in cross port relief circuits, consider spool leakage. Main stage orifice is protected by a 150 micron stainless steel screen. Not suitable for use in load holding applications due to spool leakage. Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio. Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals. W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve. Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES. Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations. Cavity T-10A Series 1 Capacity 25 gpm95 L/min. Factory Pressure Settings Established at 4 gpm15 L/min. Maximum Operating Pressure 5000 psi350 bar Response Time - Typical 10 ms10 ms Maximum Valve Leakage at 110 SUS (24 cSt) 2 in³/min.@1000 psi30 cc/min.@70 bar Adjustment - Number of Clockwise Turns to Increase Setting 55 Valve Hex Size 7/8 in.22,2 mm Valve Installation Torque 30 - 35 lbf ft41 - 47 Nm Adjustment Screw Internal Hex Size 5/32 in.4 mm Locknut Hex Size 9/16 in.15 mm Locknut Torque 80 - 90 lbf in.9 - 10 Nm Model Weight .30 lb0,15 kg Seal kit - Cartridge Viton: 990-010-006 Show FAQ What are the tolerances on pressure settings for Sun's pressure control valves? Pressure setting tolerances are listed in our Performance Data page. A link to this page can also be found in the Additional Resources tab of the applicable product page. How big is a drop of hydraulic oil? There are exactly 250 Sun drops in a cubic inch or 15 in a cc. Can I use a kick-down relief for my system relief? Maybe not. We build in a good amount of overlap in the kick-down reliefs to prevent false tripping. This means they are not as fast as our standard pilot-operated reliefs. A direct-acting relief valve set just above the kick-down relief valve would be good insurance. Direct acting or pilot operated - what do I use? Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust. Where would I use a kick-down relief? One graphic example is on a portable grain auger for silos. When the farmer gets caught in the auger the kick-down relief trips and allows him to escape. Additional Resources CE/TÜV Certified Pressure Relief Valves Pressure Relief and Regulating Cartridge Valve Technical Tips Pilot Operated, Balanced Poppet Relief Valves Sun Expands Corrosion-Resistant Solutions Sun Offers Zinc-Nickel Plating for Corrosion Resistance Sun Cartridges with EPDM Seals Series 4 PLUS Cartridges Offer Higher Flows with Lower Pressure Losses Pilot-Operated, Balanced Poppet, Anti Shock Reliefs CavitySaver multi-function valves deliver single-cartridge solutions 'Soft' Relief Eliminates Pressure Spikes Tri-Grip Handknob Now Offered From Sun as a Standard Control Option QuickDesign with SmartConnect Offers Drag-and-Drop Schematic Tool Sun Introduces 'Hybrid' Valves Manufacturing Sun Cartridge Cavities Pressure Relief and Regulating Valves Sun Model Code Explanation; 999-901-334 Cartridges: Materials of Construction Fluid and Temperature Recommendations Performance Data Sun's Floating Style Screw-In Cartridge Units of Measure, Settings, and Conversions Cavity Information (S-171) and Tooling Notes: For Series 1 cartridges configured with an O control (panel mount handknob), a .75 in. (19 mm) diameter hole is required in the panel. Related Files Download Download Download Download Download Download Download

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