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Factory Direct Sales of Four circuit Protection Valve WG9000360523 for HOWO 7, HOWO A7, HOWO T7H, And HOWO TX Series.

Factory Direct Sales of four circuit Protection Valve WG9000360523 for HOWO 7, HOWO A7, HOWO T7H, And HOWO TX Series.

The WG9000360523 Four-Circuit Protection Valve is a vital safety control component in a heavy-duty truck's pneumatic system. Its primary role is to distribute compressed air from the air dryer into four independent circuits (typically front brakes, rear brakes, parking/trailer brakes, and auxiliary systems). It ensures that if one circuit fails or leaks, the remaining intact circuits remain pressurized to maintain essential braking capability.

Model:
WG9000360523
Brand:
JFDL-HOWO

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four circuit Protection Valve WG9000360523 Sinotruk Howo truck parts JFDL Accessories WABCO spare parts

Product Description

WABCO four circuit Protection Valve WG9000360523 for HOWO for Sinotruk HOWO

Item name	four circuit Protection Valve	Part No.	WG9000360523
MOQ	1 PC	Delivery time	3-7 working days
Warranty	6 months	Payment method	T/T, Western Union, Alipay, etc.
Services	24 Hours Online	Port	Shanghai, Qingdao, Shenzhen

Application

This valve is widely used in heavy trucks based on Steyr or MAN technical platforms:

HOWO Series: HOWO 7, HOWO A7, HOWO T7H, HOWO TX, and HOWO Light Truck series.
Other CNHTC Series: SITRAK (G7/C7H), HOHAN, Golden Prince, and Steyr King.
Construction Machinery: Various mining dump trucks and specialized chassis utilizing compatible air brake architectures.

Features

Multi-Circuit Isolation: Automatically seals off a damaged circuit (e.g., a burst line) to prevent total loss of air pressure across the entire vehicle.
Pressure Prioritization: Engineered with specific opening pressures to ensure that primary driving brake circuits are charged first, reducing vehicle startup wait time.
Integrated Design: A compact, high-precision unit containing four independent overflow valves for sensitive and stable response.
Corrosion Resistance: The body is constructed from high-strength die-cast aluminum alloy, offering excellent oxidation resistance in harsh environments like mines and construction sites.
Precise Regulation: Each circuit is calibrated to specific pressure thresholds to ensure consistent and synchronized braking response.

Photos

Related Accessories

To ensure the overall stability of the air system, consider these related components:

Air Dryer Assembly: Located upstream to provide clean, dry air to the protection valve.
Air Reservoirs (Tanks): These receive and store the pressurized air distributed by the valve.
VOSS/Push-to-Connect Fittings: Connectors for the air lines (usually M16 or M22 threaded ports).
Pressure Sensors: Often mounted on or near the valve to monitor air levels for the dashboard display.
Repair Kits: Including internal springs, diaphragms, and O-rings for maintenance.

Shaanxi JFDL Trading Co., Ltd specializes in truck spare parts with extensive industry expertise. Our components are compatible with major truck brands including SINOTRUCK HOWO, SHACMAN, FOTON, FAW, DONGFENG, XCMG, SANY, LIU GONG, BENZ, MAN, and Yutong bus. We offer comprehensive OEM and ODM services.

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