Ecer asks for your consent to use your personal data to:
Personalised advertising and content, advertising and content measurement, audience research and services development
Store and/or access information on a device
Your personal data will be processed and information from your device (cookies, unique identifiers, and other device data) may be stored by, accessed by and shared with 135 TCF vendor(s) and 65 ad partner(s), or used specifically by this site or app.
Some vendors may process your personal data on the basis of legitimate interest, which you can object to by do not consent. Contact our platform customer service, you can also withdraw your consent.
Your message must
be between 20-3,000 characters!
Submit Requirement
Thank You！
Your requirement has been sent. we will contact you quickly!
{"title":"Origin Four Circuit Protection Valve 3529-00063 Kinglong Bus Parts","imgUrl":"https:\/\/img.chinax.com\/nimg\/29\/2f\/ba02c3e2451b8d95a8f775e87762-200x200-1\/origin_four_circuit_protection_valve_3529_00063_kinglong_bus_parts.jpg","attrs":{"Origin":"Made in China","Delivery Time":"7day","Supply Ability":"1000 units per month","Packaging Details":"Wooden pallet"}}
{"title":"SPAL VA89-BBL343P 24V Blower Fan \u2013 Made in Italy, Corrosion-resistant for Trucks","imgUrl":"https:\/\/img.chinax.com\/nimg\/1a\/1b\/0e7e409505b423a3e8d4cbbbfdf7-200x200-1\/spal_va89_bbl343p_24v_blower_fan_e2_80_93_made_in_italy_2c_corrosion_resistant_for_trucks_and_buses.jpg","attrs":{"Brand Name":"Jechance","Weight":"Varies by part","Place of Origin":"Italy","Supply Ability":"1000 units per month"}}
{"title":"Iron Front Stabilizer Bushing Bar End Bushing Higer Bus Parts OEM Grade","imgUrl":"https:\/\/img.chinax.com\/nimg\/1d\/66\/ae1166e97674c4934a4a2d0879ec-200x200-1\/iron_front_stabilizer_bushing_bar_end_bushing_higer_bus_parts_oem_grade.jpg","attrs":{"Temperaturerange":"-40\u00b0C to 85\u00b0C","Place of Origin":"China","Packaging Details":"Wooden pallet","Leadtime":"3-7 business days"}}
{"title":"Kinglong Bus Clutch Release Bearing OEM Truck Bus Parts Wear Resistant","imgUrl":"https:\/\/img.chinax.com\/nimg\/b1\/6d\/9dc4b99f9b35da62a8fbefe9a52b-200x200-1\/kinglong_bus_clutch_release_bearing_oem_truck_bus_parts_wear_resistant.jpg","attrs":{"Productname":"Truck Bus Parts","Packaging Details":"Wooden pallet","Leadtime":"3-7 business days for delivery","Brand Name":"Jechance"}}
{"title":"Gate Pump Solenoid Valve 3749-00028 For Zhongtong Kinglong Buses","imgUrl":"https:\/\/img.chinax.com\/nimg\/3f\/65\/c175efd3322532addaf4d253c671-200x200-1\/gate_pump_solenoid_valve_3749_00028_for_zhongtong_kinglong_buses.jpg","attrs":{"Manufacturer":"OEM and Aftermarket Suppliers","Durability":"High","Payment Terms":"L\/C,D\/A,D\/P,T\/T,Western Union","Compatibility":"Trucks and Buses"}}
{"title":"ANKAI ZHONGTONG Bus Emergency Exit Switch Emergency Door Switch","imgUrl":"https:\/\/img.chinax.com\/nimg\/5e\/2c\/7c128b138967c5c9b6e9b0adeaee-200x200-1\/ankai_zhongtong_bus_emergency_exit_switch_emergency_door_switch.jpg","attrs":{"Minimum Order Quantity":"3","Supply Ability":"1000 units per month","Packaging Details":"Wooden pallet","Durability":"High"}}
{"title":"Longert Single Eye Air Outlet 8111-00901 Round Flip Type Snap Spring","imgUrl":"https:\/\/img.chinax.com\/nimg\/08\/60\/a61d8940a32b29a46b105e94aa06-200x200-1\/longert_single_eye_air_outlet_8111_00901_round_flip_type_snap_spring.jpg","attrs":{"Material":"High-grade steel","Delivery Time":"7day","Function":"Replacement and repair","Place of Origin":"China"}}
Four-Circuit Protection Valve for Kinglong Bus 3529-00063
This four-circuit protection valve (Model 3529-00063) is a critical air brake system component specifically engineered for Kinglong buses. As a central hub in the bus air brake system, this five-way valve divides the vehicle's air circuit into four interconnected yet independent circuits, providing essential shunting and protection functions.
Core Function & Safety Benefits
The primary function of this protection valve is to ensure that when one circuit fails due to air leakage or breakage, the remaining three circuits continue to operate normally. This critical safety feature prevents complete air brake system failure and directly enhances the driving safety of Kinglong buses.
Key Features & Advantages
Fixed model 3529-00063 designed specifically for Kinglong buses
Diaphragm-type internal structure for reliable performance
Superior airtightness and easy installation
Eliminates common issues like air leakage and uneven pressure distribution
Ideal for fleet maintenance and wholesale applications
Construction & Technical Design
Manufactured to strict production standards using precision technology, this valve features a robust construction with high-strength cast iron shell, wear-resistant diaphragm, precision valves, transmission ring, push plate, and pressure regulating spring. The corrosion-resistant shell ensures excellent pressure resistance and durability, while the high-elasticity rubber diaphragm provides sensitive pressure response and reliable sealing.
The valve configuration includes one air inlet and four air outlets connected to: front axle braking system, middle and rear axle braking system, parking braking system, and auxiliary braking system - enabling independent protection for each circuit.
Performance & Quality Assurance
During circuit failure, the valve maintains air pressure in remaining circuits at approximately 6.5 bar to ensure normal braking performance. Each unit undergoes rigorous quality inspections including air tightness tests, pressure regulation tests, and durability tests to guarantee stable performance, low failure rates, and full compliance with Kinglong OEM technical standards.
Installation & Compatibility
The standardized size and OEM-compatible design ensure perfect integration with various Kinglong bus models, allowing direct replacement without modifications. Installation involves aligning the valve body with the mounting bracket, securing with high-strength bolts, connecting air inlet/outlet pipelines according to markings, and testing pressure distribution and circuit protection performance.
Technical Specifications
Product Name & Model
Bus Four-Circuit Protection Valve, Model 3529-00063
Applicable Vehicle
Kinglong Buses (All Series)
Quality Grade
High Quality, 100% New, Wholesale Auto Part
Material
High-Strength Cast Iron Shell, High-Elasticity Rubber Diaphragm, Precision Valve
Structure Type
Diaphragm-Type, Five-Way Valve (1 Air Inlet, 4 Air Outlets)
Function
Shunt Air Circuit, Protect Independent Circuits, Ensure Brake Safety During Circuit Failure
Operating Parameters
Remaining Circuit Air Pressure ≈6.5 bar, High Airtightness, Sensitive Pressure Response
Installation
Align Mounting Bracket, Bolt Fixing, Connect Air Pipelines, Direct Replacement
Condition
100% Brand New, Intact Components, No Air Leakage/Pressure Imbalance
Wholesale Applicability
Suitable for Kinglong Bus Fleets, Maintenance Shops, Auto Parts Distributors
Zhengzhou Jechance Trading Co., Ltd., established in 2013, is a professional and integrated supplier specializing in a comprehensive range of bus parts. Strategically located in Zhengzhou, a pivotal national hub for transportation and logistics in China, we enjoy exceptional connectivity and access ... Zhengzhou Jechance Trading Co., Ltd., established in 2013, is a professional and integrated supplier specializing in a comprehensive range of bus parts. Strategically located in Zhengzhou, a pivotal national hub for transportation and logistics in China, we enjoy exceptional connectivity and access ...
