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Sinotruk HOKA truck chassis parts 4 way protection valve WG9000360523 is special used for HOKA truck. Made by CNHTC sinotruk factory.
It is the core safety protection component of the air braking system. It is mainly installed on the main air circuit of the vehicle (near the air dryer or the rear of the air tank). It is responsible for distributing compressed air to four independent circuits and providing multiple protection functions to ensure that even if one circuit leaks or fails, the other circuits can still work normally and maintain the vehicle's braking ability.
Function
1. Air Distribution and Multi-Circuit Protection: Compressed air is evenly distributed to four independent braking circuits, each equipped with an independent check valve and overflow valve. When the pressure in any circuit drops abnormally (e.g., due to pipe rupture or leakage), that circuit is automatically isolated to prevent complete pressure loss, ensuring the remaining three circuits maintain sufficient braking pressure, achieving "single-circuit failure without loss of control."
2. Pressure Balancing and Safety Valve Function: A built-in pressure regulation mechanism maintains pressure balance across circuits; automatic pressure relief protection in case of overpressure prevents system pipe bursts; in case of low pressure, priority is given to critical circuits, meeting mandatory safety standards for heavy-duty trucks.
3. Anti-Chain Failure and Emergency Braking Function: In extreme situations, the protection valve automatically cuts off the faulty circuit, preserving the braking capacity of at least one or more circuits; preventing the entire vehicle from losing braking power due to a single fault, improving driving safety, especially in high-risk scenarios such as long downhill slopes, heavy loads, and slippery roads.
4. Durable, adaptable, and reliable: High-quality valve body + precision seal, resistant to vibration, oil, and extreme temperatures; rapid response, reducing braking delay; seamless integration with air dryers, air tanks, brake valves, and other air circuit systems, adaptable to long-distance, high-frequency braking conditions of heavy trucks.
DETAILS
| DESCRIPTION | 4 Way Protection Valve | PART NUMBER | WG9000360523 |
| WEIGHT |
2KG |
VOLUME |
110 × 90 × 120 mm |
| MOQ | 1 | WARRANTY | 1 year |
| PAYMENT | TT/WESTEN UNION | SHIPMENT | by air/sea/railway |
| BRAND | SINOSACHS | COUNTRY OF ORIGIN | CHINA |
| STOCK | IN STOCK | APPLICABLE SITE | chassis |
Before replacement, check the air compressor output, whether the dryer filter is saturated, whether there is water/oil accumulation in the air tank, and whether the pipeline is aged and cracked; four-circuit valve failure is often caused by upstream pollution.
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