JCYL-J20L-A relief valve
1. Maximum pressure: 35MPa.
2. Rated pressure: 25MPa
3. Diameter: 20mm.
4. Rated flow rate: 220L/min.
Description
JCYL-J20L-A relief valve block is a safety component designed for construction machinery, dump trucks and conventional hydraulic equipment, providing reliable pressure protection for hydraulic oil operations and reducing risks caused by operator and equipment errors.
Key technical parameters: Max pressure 35MPa, rated pressure 25MPa, diameter 20mm, rated flow rate 220L/min, operating temperature -40~+80℃, working medium anti-wear mineral oil, filtration precision ≤30μm, with white zinc exterior coating.



Technical Specifications
| Parameter | Value |
|---|---|
| Maximum Pressure | 35MPa |
| Rated Pressure | 25MPa |
| Diameter | 20mm |
| Rated Flow Rate | 220L/min |
| Operating Temperature | -40 to +80 ℃ |
| Working Medium | Anti-wear mineral oil |
| Filtration Precision | ≤30μm |
| Surface Coating | White zinc |



Product Features
The JCYL-J20L-A relief valve block is suitable for construction machinery, dump truck pressure protection, and conventional hydraulic equipment, playing a safety role in hydraulic oil operations. Reduce the risks caused by errors in operators and equipment.
About Us

Hebei Huachun Hydraulic Automobile Fittings Co., Ltd. is a professional manufacturer of hydraulic accessories for dump trucks, Since its establishment in 1996, it has been committed to the development and production of hydraulic accessories for dump truck, developed hydraulic valves, hydraulic oil tanks and other products.According to market demand, the designed special hydraulic valve meets the requirements of descent speed, self-unloading with canopy, self-unloading with hydraulic outriggers, mid-point self-unloading, rollover and displacement,we have also developed aluminum hydraulic oil tanks to meet the requirements for light weight.
The company has more than 60 kinds of special products and has obtained more than 40 national patents.The product is suitable for refitting heavy duty, medium duty and light duty dump truck,It has the advantages of safety, reliability, flexible operation, convenient installation and long service life.The products meet the special requirements of domestic working conditions,It has been designated as an accessory product by major domestic modification group.
In 2016, the company was recognized as a "National Intellectual Property Advantage Enterprise" by the State Intellectual Property Office,It has been rated as "High-tech Enterprise" in Hebei Province for three consecutive years. On September 18, 2016, it was rated as "China's Well-known Trademark" by the State Administration for Industry and Commerce Trademark. The company's quality management system complies with TS16949: 2016 automotive industry technical specifications. Since its certification in 2007, the quality system has been operating well.
The company always adheres to the quality policy of "quality first, customer first, pursuit of better, and striving for first-class", and abides by the quality tenet of "reliable quality, reasonable price, timely supply, and thoughtful service" to provide better products for the market. Create greater value for customers and create more wealth for society.


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