| After-sales Service: | 24 Hours Online Service |
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| Warranty: | 24 Hours Online Service |
| Transport Package: | Carton |
| Samples: |
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| Customization: |
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| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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In the braking system of a heavy vehicle, the relay valve plays a role in reducing the reaction time and pressure build-up time.
The inlet port of the relay valve is connected to the air storage cylinder and the outlet port to the brake air chamber. When the brake pedal is depressed, the output air pressure of the brake valve is used as the control pressure input of the relay valve, and under the action of the control pressure, the air inlet valve is pushed open, so that the compressed air enters the brake chamber directly through the air inlet from the storage cylinder, without flowing through the brake valve, which greatly shortens the filling pipeline of the brake chamber and accelerates the filling process of the chamber. Therefore the relay valve is also called
the accelerator valve.
Following the valve for the end of the long pipeline, so that the compressed air storage cylinder quickly filled with brake air chamber, such as in the trailer or semi-trailer brake system.
A differential relay valve is generally used. To prevent the simultaneous operation of the travel and parking system, the combined spring brake cylinder and spring brake chamber in the force of the overlap, so as to avoid overloading the mechanical drive components so that the spring brake cylinder quickly filled and exhausted.
Jinan CARMAN International Trade Co., Ltd. has been committed to building excellent suppliers in the automobile industry for many years, providing high-quality vehicle and auto parts services for new and old customers. Our company was founded in 2013,Warehouse inventory is huge, and many kinds, to meet your various needs. The company has been adhering to the quality as the core,to serve customers as their responsibility, strict with themselves, has been China and the world a lot of quality inspection,china heavy truck spare parts has been exported to Russia,the United States, Europe and Southeast Asia and other countries.Our company is looking forward to your attention and visit.
1. Our packing uses export wooden cases, plastic boxes, cartons or pallets. All the package are very strong, the wooden box is firmly bound, the package is covered with a waterproof film to prevent water or damage during transportation.Before packing, we can also stick corresponding labels and shipping marks according to your needs. All our goods are well packed.
2. According to the quantity, we can use express delivery, air transportation or ocean transportation, automobile transportation, railway transportation, etc. we have our own freight forwarders, and we can also use the designated freight forwarders of customers, which can meet various delivery requirements of customers, such as EXW, FOB, CIF, etc.It can also be exported from many ports in China. Such as Qingdao port, Ningbo port, Lianyungang port, Tianjin port, Suifenhe River and Alashankou in China.
3. We can also send the goods by express if the customers have less goods. According to customer's request, we can use express.such as DHL, TNT, EMS, FedEx, etc. the delivery time is 3-7. Safe, fast and convenient. It's also a good choice for you.
Jinan Carman International Trade Co., Ltd. was established in 2013. Its main business is the export of truck parts to the Russian,Europe and Southeast Asia market.like shacman ,sinoturk ,faw weichai cummins ZF ,cummins XCMG LGMG JCB .DCEC,isuzu caterpiller .komatsu yanmar spare parts .The company has its own warehouse in Jinan with an area of 2000 square meters.and have a large stock .And Ability to quickly collect and deliver goods.Our main business is SINOTRUK, shacman , FAW, Cummins and all kinds of construction machinery accessories. We always adhere to the quality of products as the core, to serve customers as the task.Hope to be able to better communicate with friends from all over the world, and through this communication, promote the development of cultural exchanges and economic exchanges between the two sides.
Q1:How can get exact price,Can I get a price discount?
A1: If you can supply correct part number,it's the best way to get exact price,The price depends on your purchasing quantity, more quantity more discount.
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