151501000055A001 Bypass valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

151501000055A001 Bypass valve Sany SY1350C1C3KH Tracked hydraulic excavator spare parts

The 151501000055A001 bypass valve is a core protection component of the hydraulic system of construction machinery. It is precisely adapted to the hydraulic circuits and filter bypass protection scenarios of equipment such as Sany excavators and loaders, and is compatible with the protection needs of similar hydraulic systems. It belongs to the category of hydraulic bypass valves specifically designed for construction machinery. Its core function is to automatically open the bypass channel to divert hydraulic media when the hydraulic system pressure exceeds a set threshold or the filter becomes clogged, preventing system overload and component damage while ensuring normal media circulation. With its precision valve core technology, excellent pressure control performance, and stringent quality control, it has become the preferred choice for operation and maintenance. It effectively solves the pain points of traditional bypass valves, such as slow opening and closing, inaccurate pressure control, easy leakage, and insufficient high-pressure resistance, reducing the risk of system overload and component wear failure, reducing operation and maintenance costs, and ensuring the safe and stable operation of the hydraulic system.
This product features a precise pressure control design with high pressure regulation accuracy, with an error controlled within ±0.5MPa. The opening pressure can be precisely set according to the hydraulic system requirements. It automatically opens and closes when the system pressure reaches the set value, with smooth, shock-free operation. It quickly resets after pressure recovery, requiring no manual operation. Installation is convenient; the interface uses a standard thread design, requiring no special tools for quick installation and disassembly. It adapts to complex hydraulic circuit layouts and possesses excellent vibration and shock resistance, ensuring stable operation even in vibrating environments. It is less prone to valve core jamming and abnormal opening/closing, reducing the incidence of downtime.

Core technical parameters:

– Product Model: 151501000055A001
– Implementation standards: GB/T 13852-2018, JB/T 10303-2001 (Complies with national and industry standards, quality is guaranteed)
– Pressure setting range: 0.5~10MPa (adjustable as needed, precisely adaptable to hydraulic system protection requirements)
– Pressure regulation accuracy: ±0.5MPa (precise pressure control, small error, meets industry standards)
– Operating temperature: -40℃~100℃ (wide temperature range, adaptable to various regions and working conditions)
– Main body material: High-strength stainless steel (resistant to high pressure and corrosion, suitable for complex working conditions)
– Sealing material: Fluororubber (FKM) (Excellent sealing, oil and aging resistant, leak-proof)
– Start-up/stop response time: ≤5ms (sensitive start-up/stop, timely system overload protection)
– Interface specification: M20×1.5 (standard thread, easy to install, compatible with similar pipe interfaces)
– Suitable for: Hydraulic circuit and filter bypass protection in Sany excavators, loaders, and other equipment; maintenance replacement and daily protection.

The 151501000055A001 bypass valve adheres to a stringent quality control philosophy. Each piece undergoes precision testing, sealing testing, pressure regulation testing, and vibration resistance testing to ensure accurate pressure control, no leakage, sensitive opening and closing, precise dimensions, and clear and legible markings. It meets the standards for engineering machinery equipment accessories, is easy to install, and can directly replace old bypass valves, significantly improving the operation and maintenance efficiency of the equipment’s hydraulic system and reducing equipment damage and downtime losses caused by system overload.

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1 130299000036A006 Differential Pressure Transmitter
2 151501000055A001 Bypass valve
3 151501000055A002 Filter head
4 151501000055A003 Filter Cartridge
5 151501000055A004 Housing
6 21008717 Plug

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