✅ original factory bloodline, precise fit
Designed by Caterpillar engineers in the original factory, it is specially customized for the hydraulic system of E320/E330 excavators. It achieves a precise 0.01mm connection with the pressure control module of the distribution valve, avoiding pressure fluctuations and leakage risks caused by aftermarket parts.
✅ Hardcore performance under extreme conditions
Wide temperature range operation: Stable operation throughout the entire temperature range from -25℃ to 105℃. It features a PA66+30% glass fiber reinforced casing, capable of withstanding instantaneous high-temperature shock up to 120℃
It is resistant to vibration and shock, maintaining an accuracy of ±1.5% FS in strong vibration environments such as mine blasting and concrete vibration
Corrosion-resistant design: Extends service life by three times in high-humidity coastal and chemical corrosive environments
✅ ningbo qiuning exclusive service system
Local warehouse inventory: No. 252, Lianhe Road, Beilun District, Ningbo City, Zhejiang Province, China. Abundant stock available.
Full-cycle technical support: Provide design of hydraulic system matching solutions, installation and commissioning guidance.
Bulk purchase privilege: Bulk purchase offers high cost performance.
Typical application scenarios
Core control of construction machinery
Pressure interlock protection of excavator walking motor (such as CAT 320GC hydraulic circuit)
Over-limit warning for Cylinder Pressure of Loading Boom (Compatible with Liugong 856H/ZL50CN models)
Synchronous pressure control for S-pipe valve switching of concrete pump truck (Special for Sany Heavy Industry HBT80C-1816DⅢ)
Intelligent management of industrial equipment
Closed-loop control of injection molding machine clamping pressure (Haitian injection molding Machine MA6000/4800T compatible solution)
Overpressure protection for oil drilling rig mud pumps (conforming to API 674 standard)
Pressure balance regulation of wind power pitch hydraulic Station (Compatible with Goldwind GW1500 model)
Quality Assurance commitment
We offer a 12-month warranty from CAT (including labor replacement costs).
Support testing by third-party testing institutions
We promise a tenfold compensation for any fake product and can issue a 13% value-added tax special invoice
Act immediately
📞 ningbo qiuning trading co., LTD
📍 252 lianhe Road, xiaogang town, beilun district, ningbo city
📩 for more information: allen@perkins-rx.com
WeChat/WhatsApp: +8615888032469
💻 Online purchase: www.ningboqiuning.com
Choose Ningbo Qiuning, and what you get is not only original factory parts, but also a high-quality service!
