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Manifold Hydraulic Valve Block Hydraulic Motor Cushion Valve For Rotary Excavator
The design of hydraulic valve block is mostly non-standard design, which needs to be conducted according to different working conditions and use requirements The design of valve block is divided into the following steps: material selection, design, processing and heat treatment, deburring and Cleaning, surface anti-rust treatment and test.
Different materials determine different pressure levels. First, select materials reasonably according to the service pressure. Generally The following principles shall be followed: When the working pressure P<6.3MPa, the hydraulic valve block can be cast iron HT20-40. Cast iron can be used In order to carry out mass casting, reduce working hours and improve efficiency, especially suitable for standardized valve blocks. When 6.3MPa ≤ P<21MPa, the hydraulic valve block can be aluminum alloy forgings, No. 20 forged steel or Q235; Low carbon steel has good welding performance, especially suitable for non-standard hard pipes (many valve blocks need to be welded with hard pipes in use Connect). When P ≥ 21MPa, the hydraulic valve block can be made of 35 # forged steel. Direct machining or machining after forging Post quenching and tempering HB200-240 (general high-pressure valve blocks are often subject to flaw detection, machining and heat treatment cycles.
Dongguan Zhongwei Metal Products Co., Ltd. stands out as a specialized manufacturer in the field of precision CNC-machined hydraulic manifolds. With a commitment to craftsmanship and continuous innovation, we provide tailored manufacturing solutions that serve a wide range of industries and speciali... Dongguan Zhongwei Metal Products Co., Ltd. stands out as a specialized manufacturer in the field of precision CNC-machined hydraulic manifolds. With a commitment to craftsmanship and continuous innovation, we provide tailored manufacturing solutions that serve a wide range of industries and speciali...
