DZ97189716022-solenoid Valve Normally Open

Compatible with Shaanqi Delong F3000, X3000, X5000, X6000, and Aolong series heavy-duty trucks. This normally open solenoid valve serves as a core actuator in the vehicle's pneumatic control system and transmission shifting assist system, effectively controlling the on/off state and flow direction of compressed air to ensure rapid shift response and precise, reliable air circuit switching. It is widely used in demanding applications such as long-haul transportation and construction machinery, ensuring stable and reliable pneumatic operation performance.

① Applicable Vehicle Models
Suitable for Shaanxi Auto Daolong F3000, X3000, X5000, X6000 and the Aolong series heavy trucks. As the core actuating component of the vehicle's pneumatic control system and the gearshift assist system of the transmission, it effectively controls the on-off and flow direction of compressed air, ensuring rapid shift response and precise and reliable air path switching. It is widely applicable to long-distance transportation and construction machinery and other harsh working conditions.

② Compatible System
Precisely matched with the original vehicle's pneumatic pipelines and electrical control system. It adopts standard interface threads and plug-in component design, and can be directly installed without any modification. The internal pilot structure and sealing components of the solenoid valve are closely matched to ensure sensitive operation and no leakage in a high-pressure gas environment, guaranteeing stable and reliable pneumatic control performance.

③ Original Factory Reference Number
Corresponding OE number: DZ97189716022. Produced strictly according to the original factory data to ensure correct interchangeability of parts.

④ Interchangeability
Manufactured strictly in accordance with OEM dimensions and electrical parameters standards, including interface thread specifications, pin definitions, working gas pressure range and external dimensions, all of which are consistent with the original vehicle. It can directly replace the original electromagnetic valve assembly, effectively shortening the maintenance and diagnosis time and reducing labor costs.

⑤ Value-added Services
Installation compatibility verification can be provided based on your vehicle model and year information, and technical support for wiring definitions and air path connections is provided as well. This helps avoid risks of valve non-operation or air path leakage caused by improper installation.

The solenoid valve is manufactured using high-strength engineering plastic housings combined with precision-machined metal spools and sealing components, featuring excellent pressure resistance, oil resistance, and wear resistance to withstand long-term exposure to high-pressure air and temperature fluctuations in pneumatic systems. The internal electromagnetic coil utilizes high-purity copper wire with advanced insulation materials, providing strong magnetic force and rapid response, ensuring reliable valve actuation. The sealing elements are made of high-grade nitrile rubber (NBR) or fluorocarbon (FKM) compounds, delivering a tight, leak-proof seal that effectively prevents air leakage and ensures stable pneumatic control. The plug-in terminals are treated with a gold or silver plating process, effectively preventing oxidation and ensuring reliable electrical connections. The housing surface is coated with a corrosion-resistant layer, protecting against moisture, salt spray, and dust to extend service life in harsh operating environments.

The solenoid valve is manufactured using high-strength engineering plastic housings combined with precision-machined metal spools and sealing components, featuring excellent pressure resistance, oil resistance, and wear resistance to withstand long-term exposure to high-pressure air and temperature fluctuations in pneumatic systems. The internal electromagnetic coil utilizes high-purity copper wire with advanced insulation materials, providing strong magnetic force and rapid response, ensuring reliable valve actuation. The sealing elements are made of high-grade nitrile rubber (NBR) or fluorocarbon (FKM) compounds, delivering a tight, leak-proof seal that effectively prevents air leakage and ensures stable pneumatic control. The plug-in terminals are treated with a gold or silver plating process, effectively preventing oxidation and ensuring reliable electrical connections. The housing surface is coated with a corrosion-resistant layer, protecting against moisture, salt spray, and dust to extend service life in harsh operating environments, while the specially engineered internal flow passages optimize airflow response and prevent sticking or sluggish actuation under demanding working conditions.

The solenoid valve is manufactured using advanced precision machining and automated assembly technology, with core processes such as spool lapping, spring calibration, and coil winding carried out in a controlled environment. This effectively ensures precise spool-to-seat fit and consistent electromagnetic force, eliminating defects such as spool sticking, insufficient seal, or inconsistent response time. Key dimensions including thread specifications, connector pin spacing, and overall housing dimensions are inspected with dedicated gauges on a piece-by-piece basis, guaranteeing 100% precise fit with the original vehicle air lines and electrical harness without any modification. Every finished product undergoes 100% comprehensive inspection before leaving the factory, covering electrical continuity and resistance testing, pressure decay leak testing, and response time and cycle endurance validation. Each batch is fully screened in accordance with OEM standards to ensure that mounting accuracy, pneumatic performance, and long-term durability fully meet all requirements.

We have a fully automated precision machining and assembly production line along with professional flow and leak testing equipment for solenoid valve manufacturing. Our process flow is mature and stable, with abundant monthly output and sufficient finished product inventory to meet wholesale and export orders at any time. We support customization for thread specifications, connector types, voltage and power ratings, and overall dimensions, and provide sample prototyping services. We fully meet the personalized matching needs of global distributors, repair shops, and OEM manufacturers.

Q: Compared to ordinary alternatives, what are the advantages of this normally open electromagnetic valve?

A: It features excellent response speed, pressure-resistant sealing performance, and precise electrical matching. It can withstand high-pressure gas impacts, frequent switching actions, and temperature changes without getting stuck, leaking, or having its coil burned out. This ensures smooth and reliable air path switching, effectively guaranteeing the stable operation of the gearbox shift and pneumatic control system.

Q: Is the quality reliable? How long can it last?

A: Each product is manufactured according to OEM standards and undergoes comprehensive testing. Under normal usage conditions, its service life can reach 3-5 years, making it highly suitable for heavy truck long-distance transportation and the harsh working conditions of construction machinery.

Q: What benefits can be brought after replacement?

A: It restores the original pneumatic control performance, solves problems such as delayed shift response, air path leakage, or valve body non-operation, protects the air path system and control unit from abnormal pressure or air leakage, improves the control response and driving safety, and avoids higher repair and replacement costs for the gearbox or air path system due to the failure of the electromagnetic valve.

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