KJ Series Hydraulic Ball Valve for Coal Mine
The KJ Series hydraulic ball valve is a specialized valve designed for use in coal mines. It is specifically engineered to meet the demanding requirements of coal mining operations where reliability, durability, and safety are of utmost importance.The KJ Series hydraulic ball valve is designed to control the flow of hydraulic fluids in coal mining equipment and systems. It is commonly used in hydraulic circuits that power various machinery, such as longwall shearers, hydraulic roof supports, and coal-cutting machines. The valve's primary function is to regulate the flow of hydraulic fluid, allowing operators to control the operation of these mining machines accurately.One of the key features of the KJ Series hydraulic ball valve is its robust construction. It is built to withstand the harsh and challenging conditions commonly encountered in coal mining environments. The valve body and components are constructed from high-quality materials that offer excellent resistance to corrosion, abrasion, and impact.Safety is a crucial aspect of any equipment used in coal mining, and the KJ Series hydraulic ball valve is designed with safety in mind. It incorporates various safety features, such as a lockable handle or actuator, which helps prevent accidental operation or unauthorized access. Additionally, the valve is designed to provide reliable and leak-free performance, minimizing the risk of hydraulic fluid spills that can be hazardous in mining operations.The KJ Series hydraulic ball valves also offer excellent performance and versatility. It provides precise control over the hydraulic fluid flow, allowing operators to adjust the speed, force, and direction of hydraulic-powered machinery. The valve's design enables quick and easy installation, maintenance, and repair, reducing downtime and maximizing productivity in coal mining operations.
![]() | Item | Name | Material | |
| Stainless Steel | Carbon Steel | |||
| 1 | Fittings | SS 316 / SS 304 | A105 / 45# | |
| 2 | O-ring | FKM | NBR | |
| 3 | Packing | POM / PEEK | POM | |
| 4 | Stem | SS 316 / SS 304 | A105 / 45# | |
| 5 | O-ring | POM / PEEK | POM | |
| 6 | stop Pin | SS 316 / SS 304 | A105 / 45# | |
| 7 | Washer | SS 316 / SS 304 | A105 / 45# | |
| 8 | Body | SS 316 / SS 304 | A105 / 45# | |
| 9 | Ball | SS 316 / SS 304 | A105 / 45# | |

| PartNO. | PN | DN | Dimension(mm) | |||||||
| L | L1 | L2 | L3 | D | D1 | D2 | D3 | |||
| KJ-10 | 500 | 10 | 110 | 26 | 10 | 16 | 15 | 18 | 15 | 18 |
| KJ-13 | 500 | 13 | 110 | 26 | 12 | 14 | 18 | 20 | 18 | 20 |
| KJ-16 | 315 | 16 | 125 | 30 | 14 | 16 | 20 | 25 | 20 | 25 |
| KJ-20 | 315 | 20 | 125 | 31 | 15 | 16 | 24 | 28 | 24 | 28 |
| KJ-25 | 315 | 25 | 136 | 31 | 15 | 16 | 30 | 35 | 30 | 35 |
| KJ-32 | 315 | 32 | 151 | 31 | 15 | 16 | 37 | 42 | 37 | 42 |
The KJ Series Hydraulic Ball Valve is a highly reliable and durable valve that is specifically designed for use in coal mines applications. It offers a number of benefits over other types of valves, including:
1. Tight sealing: The KJ Series Ball Valve features a precision-ground ball and seat that provides a tight seal, even when handling abrasive materials such as coal mines. This helps to prevent leaks and reduce fugitive emissions.2. Long service life: The KJ Series Hydraulic Ball Valve is constructed from high-quality materials and is designed to withstand the harsh conditions of coal handling operations. This results in a long service life, which can help to reduce maintenance costs and downtime.3. Easy operation: The KJ Series Ball Valve is operated using a hydraulic actuator, which makes it easy to open and close the valve, even when it is under high pressure. This can help to improve safety and efficiency.4. Low maintenance requirements: The KJ Series Hydraulic Ball Valve is designed to require minimal maintenance. This is due to its simple design and the use of high-quality materials.5. Versatility: The KJ Series Ball Valve can be used in a variety of coal mine applications, including transportation, storage, and processing. This makes it a versatile valve that can meet the needs of a wide range of operations.In addition to the benefits listed above, the KJ Series Hydraulic Ball Valve is also available in a variety of sizes and materials to meet the specific needs of each application. It is also backed by a comprehensive warranty from the manufacturer.
Overall, the KJ Series Hydraulic Ball Valve is a highly reliable and durable valve that offers a number of benefits for coal applications. It is designed to provide tight sealing, a long service life, easy operation, low maintenance requirements, and versatility.
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