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Pressure Control Valves
GRV08-22 Differential relief valve
Overflow valve: direct acting, differential
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Ordering model |
GRV08-22-X-Y/Z |
Functional symbols: |
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Unit: mm Thread insertion type, direct acting type, seat valve type relief valve, suitable for hydraulic circuits that require minimal internal leakage. Under normal conditions, the oil flows from ② to ① and is closed until ② receives sufficient hydraulic pressure to overcome the spring force and remove the valve core from the valve seat. |
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Unit: mm S25.4 Maximum installation torque 27.2Nm
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Technical Parameter |
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Rated pressure: 240bar |
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Rated flow rate: 30L/min |
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Jack: VC08-2 |
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Installation torque: 27.2Nm |
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Weight: 0.15kg |
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Operating oil temperature range: -40~120 ℃(nitrile rubber) |
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Internal leakage: 0.25mL/ min@85 %Opening pressure |
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Media filtration accuracy: 20/18/14 ( requirement) |
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Definition of opening pressure: When the flow rate reaches 0.95mL/min, the measured pressure value at point ② is bar |
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Closing pressure: 90% of opening pressure |
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Performance Curve |
Installation location requirement: unlimited |
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Y |
Seal options |
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N |
Nitrile rubber (standard) |
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V |
VITON |
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P |
polyurethane |
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Y |
Voltage regulation range options |
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4 |
3.5 ～ 27.6bar |
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7 |
6.9 ～ 52bar |
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13 |
6.9 ～ 117.2bar |
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26 |
17.2 ～ 220.7bar |
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Z |
Set pressure options |
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Omitting as standard, intermediate value of voltage regulation range |
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160 |
160bar |
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About Us
Zhejiang JieliEr Hydraulic Technology Co., LTD.
Zhejiang JieliEr Hydraulic Technology Co., LTD. is China GRV08-22 Differential relief valve Suppliers and Wholesale GRV08-22 Differential relief valve Factory.It specializes in the design and production of various high-quality hydraulic Screw-in cartridge valves and manifolds required by mobile and industrial equipment.The company has turning-millinghigh-precision grinding machine,honing,turning milling,corer and abrasive flow and other processing equipment, the line tolerancecan reach 2 microns and is equipped with a cylindricity meter, contour meter, various, hardness meter, etc., and the corresponding high-precision testing equipment to control quality. The hydraulic valves adopt industrail universal cavity. With fast and easy installation and replacement, compact structure, and zero leakage, compared with the traditional hydraulic system significantly simplified system pipeline, the products are widely used in engineering machinery, shipbuilding, agricultural machines, injection molding,environment protection, engineering vehicles and other engineering fields. The company adopts the concept of lean production to control and manage the production and quality process. It has passed the ISO9001:2015 quality management system certification to continuously improve product quality and keep improving. The R&D department has several professional engineers who can be very efficient develop and designing products, to meet the various needs of different customers, for all kinds of machinery and system equipment to provide safe, accurate, efficient, cost-effective transmission and control technology. With rich experience and reliable products, we can provide customized system solutions and services for every customer， such as walking machinery, mechanical application and engineering， automation factory, etc.
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