SV/SL Series Pilot Operated Check Hydraulic Valve
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SV/SL Series Pilot Operated Check Hydraulic Valve
The SV/SL series pilot operated check hydraulic valve is a versatile and reliable valve that is ideal for a wide range of hydraulic applications. It is a direct-operated check valve with an integrated pilot valve that allows the valve to be opened against the pressure of the main flow. The SV/SL series pilot operated check hydraulic valve is known for its high pressure capacity, low pressure drop, excellent flow control, durable construction, and easy maintenance.
The SV/SL series pilot operated check hydraulic valve is a high-quality, reliable, and versatile valve that is ideal for a wide range of hydraulic applications. It offers a number of benefits, including improved system performance, increased reliability, reduced maintenance costs, and extended service life. If you are looking for a check valve for your hydraulic system, the SV/SL series is a great option.
SV/SL Series Pilot Operated Check Hydraulic Valve Key Characteristics:
- High Pressure Capacity: The SV/SL series pilot operated check hydraulic valve can withstand operating pressures up to 5000 psi (350 bar).
- Low Pressure Drop: The SV/SL series pilot operated check hydraulic valve has a very low pressure drop, which maximizes system efficiency.
- Excellent Flow Control: The SV/SL series pilot operated check hydraulic valve provides precise flow control, even at high flow rates.
- Durable Construction: The SV/SL series pilot operated check hydraulic valve is made from high-quality materials and is built to withstand the rigors of demanding hydraulic applications.
- Easy Maintenance: The SV/SL series pilot operated check hydraulic valve is easy to disassemble and inspect, making it simple to maintain and repair.
SV/SL Series Pilot Operated Check Hydraulic Valve Parameter:
Size | 6 | 10 | 16 | 22 | |
Weight | kg | 0.8 | 2.3 | 8.5 | 13 |
Max. flow-rate | L/min | 42 | 100 | 200 | 400 |
Max. operating pressure | bar | to 315 | |||
Crack pressure | bar | 0.5,3,5 | |||
Viscosity range | mm2/s | 2.8 to 500 | |||
Fluid temperature range | ℃ | -20 to +70 | |||
Fluid | Mineral oil suitable for NBR and FKM seal | ||||
Phosphate ester for FKM seal | |||||
Degree of contamination | Maximum permissible degree of fluid contamination: Class 9. NAS 1638 or 20/18/15, ISO4406 |
SV/SL Series Pilot Operated Check Hydraulic Valve Advantages:
NG6
• For base sub-plate mounting follow DIN 24340 A 、
• ISO 4401 and CETOP 121H base plates
• With or without oil release orifice
• Four opening pressure
NG10~32
• For base sub-plate mounting conform to
• DIN24340 D and ISO5781
• For screw connection
• With or without drain port
• With or without unloading function
• Four opening pressure
Usage Method Of SV/SL Series Pilot Operated Check Hydraulic Valve:
The SV/SL series pilot operated check hydraulic valve is typically used in the following applications:
- To prevent backflow in hydraulic systems
- To protect hydraulic components from damage
- To control the flow of hydraulic fluid in one direction
- To hold hydraulic pressure in a system
The SV/SL series pilot operated check hydraulic valve can also be used to create a variety of hydraulic circuits, such as:
- Counterbalance Circuits: Counterbalance circuits prevent a load from falling under gravity when the hydraulic system is deactivated.
- Regenerative Circuits: Regenerative circuits return hydraulic fluid to the reservoir when the load is moving in a direction that opposes the hydraulic force.
- Sequence Circuits: Sequence circuits actuate hydraulic components in a specific order.
Maintenance Of SV/SL Series Pilot Operated Check Hydraulic Valve:
The SV/SL series pilot operated check hydraulic valve requires minimal maintenance. However, it is important to inspect the valve regularly for signs of wear or damage. If any problems are found, the valve should be replaced immediately.
Here are some tips for maintaining your SV/SL series pilot operated check hydraulic valve:
- Inspect the valve regularly for signs of wear or damage. Look for cracks, leaks, and other imperfections.
- Clean the valve regularly with a mild soap and water solution. Avoid using harsh chemicals or solvents.
- Lubricate the moving parts of the valve with a light-duty oil or grease.
- If the valve is not working properly, replace it immediately.
Como controlar a velocidade do cilindro hidráulico?
- Flow control valve: A flow control valve is a valve that restricts the flow of hydraulic fluid to the cylinder. This can be done by using a needle valve, a gate valve, or a globe valve. The more the valve is closed, the less flow there is to the cylinder, and the slower the cylinder will move.
- Relief valve: A relief valve is a valve that opens when the pressure in the hydraulic system exceeds a set point. This can be used to control the speed of the cylinder by setting the relief valve to a lower pressure than the operating pressure of the system. When the cylinder extends or retracts, the pressure in the system will increase. When the pressure reaches the set point of the relief valve, the valve will open and allow some of the hydraulic fluid to flow back to the reservoir. This will reduce the pressure in the system and slow down the cylinder.
- Proportional valve: A proportional valve is a valve that can be controlled electronically to vary the flow of hydraulic fluid to the cylinder. This allows for very precise control of the cylinder speed.
The best way to control the speed of a hydraulic cylinder will depend on the specific application. For example, if you need to control the speed of a cylinder very precisely, then you would use a proportional valve. If you need to control the speed of a cylinder moving very slowly, then use a relief valve.
Here are some additional tips for controlling the speed of a hydraulic cylinder:
- Use the smallest cylinder possible for the application. A smaller cylinder will require less flow to move, making it easier to control the speed.
- Use a hydraulic pump that is sized for the application. A pump that is too large will produce more flow than the cylinder needs, making it more difficult to control the speed.
- Use a hydraulic accumulator to dampen the flow of hydraulic fluid to the cylinder. An accumulator is a device that stores hydraulic fluid under pressure. It can be used to provide a constant flow of hydraulic fluid to the cylinder, which can help to improve speed control.
Aptidão e capacidade da fábrica:
(1) Montagem
Temos uma plataforma de montagem de pesquisa e desenvolvimento independente de primeira classe. A oficina de produção de cilindros hidráulicos tem quatro linhas de montagem semiautomáticas de cilindros de elevação e uma linha de montagem automática de cilindros de inclinação, com uma capacidade de produção anual projetada de 1 milhão de peças. A oficina de cilindros especiais é equipada com várias especificações de um sistema de montagem de limpeza semiautomática com uma capacidade de produção anual projetada de 200.000 peças e equipada com famosos equipamentos de usinagem CNC, um centro de usinagem, um equipamento especial de processamento de cilindros de alta precisão, uma máquina de solda robotizada, uma máquina de limpeza automática, uma máquina de montagem automática de cilindros e uma linha de produção de pintura automática. O equipamento crítico existente é de mais de 300 conjuntos (conjuntos). A alocação ideal e o uso eficiente dos recursos do equipamento garantem os requisitos de precisão dos produtos e atendem às necessidades de alta qualidade dos produtos.
(2) Usinagem
A oficina de usinagem é equipada com um centro de torneamento de trilho inclinado personalizado, um centro de usinagem, uma máquina de brunimento de alta velocidade, um robô de soldagem e outros equipamentos relacionados, que podem lidar com o processamento de tubos de cilindros com diâmetro interno máximo de 400 mm e comprimento máximo de 6 metros.
(3) Soldagem
(4) Pintura e revestimento
Com linhas de revestimento de tinta à base de água automáticas de cilindros de pequeno e médio porte, para obter carregamento e descarregamento automáticos de robôs e pulverização automática, a capacidade projetada é de 4.000 peças por turno;
Também temos uma linha de produção de tinta semiautomática para cilindros grandes, acionada por uma corrente elétrica, com capacidade de projeto de 60 caixas por turno.
(5) Testes
Temos instalações de inspeção e bancos de teste de primeira classe para garantir que o desempenho do cilindro atenda aos requisitos.
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Como funciona o cilindro hidráulico da empilhadeira?
Cilindro hidráulico Aplicação:
