Descrição do produto
Specifications:
| Product Name | SGS Series Hydraulic Cylinder |
| Work Press | 7/14/16/21/31.5MPa |
| Material | Aluminum, Cast Iron,45mnb Steel, Stainless Steel |
| Stage | Up to 5 Stage |
| Bore Size | 40mm–320mm, Customizable |
| Shaft Diameter | 20mm–220mm, Customizable |
| Stroke Length | 30mm–14100mm, Customizable |
| Rod Surface Hardness | HRC48-54 |
| Operating Temperature | -40°C to +120 °C |
| Paint Color | Black, Yellow, Blue, Brown, Customizable |
| Serviço | OEM&ODM |
| Warranty | 1 Year |
| MOQ | 1 Piece |
| Delivery Time | 7-15 Days, Also depending on specific demands |
| Certificação | ISO9001,CE |
| Capacity | 50,000Pcs per year |
Exibição do produto:
Mounting:
Working Flow: Sobre nós
Tongte designs and manufactures durable, heavy-duty hydraulic products and accessories and offers lifecycle services to them. We constantly develop our machine base and operations to meet customer-specific needs and remain leaders in the industry. Beyond all else, we want to be the trusted, groundbreaking partner our customers truly need.
In addition to the customized cylinders, CHINAMFG offers hydraulic power units, Electric-Hydraulic linear actuators, piston accumulators, system configurations, and versatile services such as repair and manufacturing services. The modern production facilities are located in HangZhou, ZheJiang (China) where production started in 2001. The core values of Tongke guiding its business strongly are commitment, sustainability, interaction, and customer-first.
We possess over 20 years of experience in the industry and extensive global market experience, our customers are located all over the world, and we truly commit to the customers’ needs – these are the success factors of our family-owned company. Our vision is to grow and expand the business further into global markets.
PERGUNTAS FREQUENTES:
Q1: What does your company do?
A: we are a supplier of high-quality hydraulic products including Hydraulic Cylinders, Hydraulic Power packs, Hydraulic Linear, and other Hydraulic components.
Q2:Are you a manufacturer or trading company?
A: We are a manufacturer.
Q3:Are you able to make Non-standard or customized products?
A: Yes, we can.
Q3: How long is your delivery time?
A: Normally, the delivery time is 7 days if we have stock, and 15-30 working days if we don’t. but it
also depends on the product
requirements and quantity.
Q4: Do you provide samples? are the samples free or not?
A: Yes, we can provide samples, but they are not free of charge.
Q5: What are your payment terms?
A: 30% deposit T/T or Irrevocable L/C at sight, If you have any questions, please feel free to
contact us.
Q6: What is your warranty policy?
A: All our products are warranted for 1 full year from the date of delivery against defects in materials and workmanship. Each individual product will be strictly inspected on our factory QC Process
System before shipment. We also have a Customer Service team to respond to customers’ questions within 12 hours.
| Certification: | ISO9001 |
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| Pressure: | Medium Pressure |
| Work Temperature: | Normal Temperature |
| Customization: | Available |
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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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How do hydraulic cylinders handle variations in temperature and harsh operating environments?
Hydraulic cylinders are designed to handle variations in temperature and harsh operating environments by incorporating specific features and materials that ensure their durability, reliability, and performance. The ability of hydraulic cylinders to withstand extreme temperatures, corrosive environments, and other harsh conditions is crucial for their successful operation in a wide range of applications. Here’s a detailed explanation of how hydraulic cylinders handle variations in temperature and harsh operating environments:
1. Temperature Range:
– Hydraulic cylinders are designed to operate within a specified temperature range. The materials used in their construction, such as cylinder barrels, pistons, seals, and lubricants, are selected to withstand the anticipated temperature variations. Specialized seals and O-rings made from materials like nitrile, Viton, or polyurethane are used to maintain their sealing properties over a wide temperature range. Heat-resistant coatings or thermal insulation may be applied to certain components to protect them from high temperatures.
2. Thermal Expansion:
– Hydraulic cylinders are designed to accommodate thermal expansion and contraction that occurs with temperature changes. The materials used in their construction have different coefficients of thermal expansion, allowing the cylinder components to expand or contract at a similar rate. This design consideration prevents excessive stress, binding, or leakage that could result from thermal expansion or contraction.
3. Heat Dissipation:
– In applications where hydraulic cylinders are subjected to high temperatures, heat dissipation mechanisms are employed to prevent overheating. Cooling fins or heat sinks may be incorporated into the cylinder design to increase the surface area for heat transfer. In some cases, external cooling methods such as air or liquid cooling systems can be used to maintain optimal operating temperatures.
4. Corrosion Resistance:
– Hydraulic cylinders used in harsh operating environments are constructed from materials that exhibit excellent corrosion resistance. Stainless steel, chrome-plated steel, or other corrosion-resistant alloys are commonly used for cylinder components exposed to corrosive substances or environments. Additionally, surface treatments such as coatings, plating, or specialized paints can provide an extra layer of protection against corrosion.
5. Sealing Systems:
– Hydraulic cylinders employ sealing systems that are specifically designed to withstand harsh operating environments. The seals used in hydraulic cylinders are selected based on their resistance to temperature extremes, chemicals, abrasion, and other environmental factors. Specialized seal designs, such as wiper seals, rod seals, or high-temperature seals, are utilized to maintain effective sealing and prevent contamination of the hydraulic fluid.
6. Lubrication:
– Proper lubrication is essential for the smooth operation and longevity of hydraulic cylinders, particularly in harsh operating environments. Lubricants are selected based on their ability to withstand high temperatures, resist oxidation, and provide effective lubrication under extreme conditions. Regular maintenance and lubrication practices ensure that the cylinder components continue to operate smoothly and reduce the effects of wear and friction.
7. Robust Construction:
– Hydraulic cylinders designed for harsh operating environments are built with robust construction techniques to withstand the rigors of such conditions. The cylinder barrels, rods, and other components are manufactured to meet strict quality and durability standards. Welded or bolted construction methods are employed to ensure the structural integrity of the cylinders. Reinforcements, such as flanges or tie rods, may be added to enhance the cylinder’s strength and resistance to external forces.
8. Environmental Protection:
– Hydraulic cylinders can be equipped with additional protective features to shield them from harsh operating environments. Protective covers, boots, or bellows can be used to prevent contaminants, debris, or moisture from entering the cylinder and compromising its performance. These protective measures help extend the service life of hydraulic cylinders in demanding conditions.
9. Compliance with Standards:
– Hydraulic cylinders manufactured for specific industries or applications often comply with industry standards or regulations related to operating temperature ranges, environmental conditions, or safety requirements. Compliance with these standards ensures that hydraulic cylinders are designed and tested to meet the specific demands of their intended operating environments.
In summary, hydraulic cylinders are designed to handle variations in temperature and harsh operating environments by incorporating suitable materials, thermal expansion considerations, heat dissipation mechanisms, corrosion-resistant components, specialized sealing systems, proper lubrication, robust construction techniques, protective features, and compliance with industry standards. These design considerations and features enable hydraulic cylinders to operate reliably and effectively in a wide range of demanding applications and environmental conditions.

Handling the Challenges of Minimizing Fluid Leaks and Contamination in Hydraulic Cylinders
Hydraulic cylinders face challenges when it comes to minimizing fluid leaks and contamination, as these issues can impact the performance, reliability, and lifespan of the system. However, there are several measures and design considerations that help address these challenges effectively. Let’s explore how hydraulic cylinders handle the challenges of minimizing fluid leaks and contamination:
- Sealing Systems: Hydraulic cylinders employ advanced sealing systems to prevent fluid leaks. These systems typically include various types of seals, such as piston seals, rod seals, and wiper seals. The seals are designed to create a tight and reliable barrier between the moving components of the cylinder and the external environment, minimizing the risk of fluid leakage.
- Seal Material Selection: The choice of seal materials is crucial in minimizing fluid leaks and contamination. Hydraulic cylinder manufacturers carefully select seal materials that are compatible with the hydraulic fluid used and resistant to wear, abrasion, and chemical degradation. This ensures the longevity and effectiveness of the seals, reducing the likelihood of leaks or premature seal failure.
- Proper Installation and Maintenance: Ensuring proper installation and regular maintenance of hydraulic cylinders is essential for minimizing fluid leaks and contamination. During installation, attention should be given to proper alignment, torqueing of bolts, and adherence to recommended procedures. Regular maintenance includes inspecting seals, replacing worn-out components, and addressing any signs of leakage promptly. Proper maintenance practices help identify and rectify issues before they escalate and cause significant problems.
- Contamination Control: Hydraulic cylinders incorporate measures to control contamination and maintain fluid cleanliness. This includes the use of filtration systems, such as in-line filters, to remove particles and contaminants from the hydraulic fluid. Additionally, hydraulic reservoirs often have breathers and desiccant filters to prevent moisture and airborne contaminants from entering the system. By controlling contamination, hydraulic cylinders minimize the risk of damage to internal components and maintain optimal system performance.
- Environmental Protection: Hydraulic cylinders may be equipped with protective features to safeguard against external contaminants. For example, bellows or protective boots can be installed to shield the rod and seals from debris, dirt, or moisture present in the operating environment. These protective measures help extend the life of the seals and enhance the overall reliability of the hydraulic cylinder.
In summary, hydraulic cylinders employ sealing systems, appropriate seal materials, proper installation and maintenance practices, contamination control measures, and environmental protection features to handle the challenges of minimizing fluid leaks and contamination. By implementing these measures, manufacturers can ensure reliable and long-lasting hydraulic cylinder performance, minimize the risk of fluid leakage, and maintain the cleanliness of the hydraulic system.

Como os cilindros hidráulicos se adaptam às variações no comprimento do curso e nos requisitos de força?
Os cilindros hidráulicos são projetados para acomodar variações no comprimento do curso e na força necessária, proporcionando flexibilidade e adaptabilidade para diferentes aplicações. Eles podem ser personalizados para atender a necessidades específicas, considerando fatores como diâmetro do pistão, diâmetro da haste, pressão hidráulica e projeto do cilindro. Aqui está uma explicação detalhada de como os cilindros hidráulicos acomodam variações no comprimento do curso e na força necessária:
1. Dimensões e design do cilindro:
Os cilindros hidráulicos estão disponíveis em diversos tamanhos e modelos para atender a diferentes comprimentos de curso e requisitos de força. O diâmetro do cilindro, a área do pistão e o diâmetro da haste são fatores essenciais que determinam a força gerada. Cilindros com diâmetros e áreas de pistão maiores podem gerar maior força, enquanto diâmetros menores são adequados para aplicações que exigem menor força. Ao selecionar o tamanho e o modelo de cilindro apropriados, os comprimentos de curso e os requisitos de força podem ser atendidos de forma eficaz.
2. Configurações de pistão e biela:
Os cilindros hidráulicos podem ser projetados com diferentes configurações de pistão e haste para acomodar variações no comprimento do curso. Cilindros de ação simples possuem um único pistão e podem fornecer um curso em uma única direção. Cilindros de ação dupla possuem um pistão em cada extremidade, permitindo cursos em ambas as direções. Cilindros telescópicos consistem em múltiplos estágios que podem se estender e retrair, proporcionando um comprimento de curso maior em comparação com cilindros padrão. Selecionando a configuração apropriada de pistão e haste, o comprimento de curso desejado pode ser alcançado.
3. Pressão e Vazão Hidráulicas:
A pressão hidráulica e a vazão fornecidas ao cilindro desempenham um papel crucial na adaptação às variações na força necessária. O aumento da pressão hidráulica aumenta a força produzida pelo cilindro, permitindo que ele suporte demandas de força maiores. Ajustando a pressão e a vazão por meio de válvulas e bombas hidráulicas, a força produzida pode ser controlada e adequada às necessidades específicas da aplicação.
4. Personalização e Ajustes:
Os cilindros hidráulicos podem ser personalizados e adaptados para atender a requisitos específicos de comprimento de curso e força. Os fabricantes oferecem uma ampla gama de tamanhos de cilindros, comprimentos de curso e capacidades de força para escolha. Além disso, cilindros projetados sob medida podem ser fabricados para atender a aplicações exclusivas com demandas específicas de comprimento de curso e força. Trabalhando em estreita colaboração com os fabricantes de cilindros hidráulicos, é possível obter cilindros que correspondam precisamente aos requisitos de comprimento de curso e força necessários.
5. Cilindros Múltiplos e Sincronização:
Em aplicações que exigem alta força ou cursos mais longos, vários cilindros hidráulicos podem ser usados em conjunto. Ao sincronizar o movimento de múltiplos cilindros através do sistema hidráulico, o comprimento do curso e a força de saída podem ser efetivamente aumentados. A sincronização pode ser alcançada por meio de ligações mecânicas, controles eletrônicos ou circuitos hidráulicos, garantindo movimento coordenado e distribuição de força entre os cilindros.
6. Detecção de carga e controle de pressão:
– Os sistemas hidráulicos podem incorporar mecanismos de detecção de carga e controle de pressão para acomodar variações na necessidade de força. Os sistemas de detecção de carga monitoram a demanda de carga e ajustam a pressão hidráulica de acordo, garantindo que o cilindro forneça a força necessária sem exercer força excessiva. As válvulas de controle de pressão regulam a pressão dentro do sistema hidráulico, permitindo o controle e ajuste precisos da força de saída com base nas necessidades da aplicação.
7. Considerações de segurança:
Ao lidar com variações no comprimento do curso e na força necessária, é essencial considerar os fatores de segurança. Os cilindros hidráulicos devem ser selecionados e projetados com uma margem de segurança adequada para suportar cargas inesperadas ou variações nas condições de operação. Mecanismos de segurança, como válvulas de proteção contra sobrecarga e válvulas de alívio de pressão, podem ser incorporados para evitar danos ou falhas em situações onde os limites de força são excedidos.
Ao considerar fatores como tamanho e projeto do cilindro, configurações do pistão e da haste, pressão e vazão hidráulicas, opções de personalização, sincronização, detecção de carga, controle de pressão e considerações de segurança, os cilindros hidráulicos podem acomodar com eficácia variações no comprimento do curso e nos requisitos de força. Essa flexibilidade permite que os cilindros hidráulicos sejam adaptados para atender às demandas específicas de uma ampla gama de aplicações, garantindo desempenho e eficiência ideais.


editor by CX 2023-10-26