China Standard Sjz Series Double-Acting Hollow Cylinders Jack 30-150 Ton Double-Acting Hollow Plunger Cylinders High Quality Hydraulic Jack From CZPT vacuum pump oil near me

Product Description

1 YEAR WARRANTY AND EXCELLENT SERVICE
7 DAYS REFUND PAYMENT IN CASE OF QUALITY
24 HOURS SMOOTHLY COMMUNICATION

Product Description

 Hydraulic Cylinder Jack

Capacity: 30-150ton
Stroke: 38-258mm
Max.pressure: 700bar
 

SJZ Series Double-Acting Hollow Cylinders Jack 

1. Mounting Hole Thread Depth: 14-19 mm
2. Double-acting cylinder version for fast retraction.
3. Hollow plunger design allows for both,pull and push forces.
4. Dual dust-proof ring structure remains cylinder internal cleaning.
5. The exclusive guide ring is designed absorbs eccentric loading without galling cylinder parts,reduces wear and extending life.
6. Built-in safety valve prevents accidental over pressurization.
7. Special painted surface to increase corrosion resistance.
8. Easy fixturing with collar threads,plunger threads and base mounting holes.

 

Cylinder Capacity Stroke Model Number Max.Cylinder Capacity Cylinder Effective Area Oil Capacity Collapsed Height Extended Height Outside Dia. Cylinder Bore Dia Plunger Dia. Base to Advance Port Top to Return Port Weight
    Advance Retract Advance Retract Advance Retract A B C D E F G  
ton (mm) (KN) (cm2) (cm3) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (kg)
30 178 SJZ300-178 336 216 48 30.9 855 550 330 508 115 90 64.5 25 60 21
258 SJZ300-258 336 216 48 30.9 1240 798 431 689 115 90 64.5 25 60 27
60 89 SJZ600-89 589 368 84.2 52.6 749 468 247 336 159 125 94.5 31 66 28
166 SJZ600-166 589 368 84.2 52.6 1398 873 323 489 159 125 94.5 31 66 35
257 SJZ600-257 589 368 84.2 52.6 2164 1352 438 695 159 125 94.5 31 66 45
100 38 SJZ1000-38 947 637 135.3  91.1 514 346 165 203 212 165 125 34 45 33
76 SJZ1000-76 947 637 135.3  91.1 1571 692 254 330 212 165 125 34 85 61
153 SJZ1000-153 947 637 135.3  91.1 2070 1394 342 495 212 165 125 34 85 79
257 SJZ1000-257 947 637 135.3  91.1 3477 2341 460 717 212 165 125 34 85 106
150 203 SJZ1500-203 1445 758 206.5 108.3 4191 2198 359 562 247 190 150 38 60 111

    

All SAIVS Hydraulic Lifting Cylinders Jack go with calibration certificates,
Your Requirements Can Be Customized, Please Contact Us Freely!

Detailed Photos

  
 

 

30-150 Ton Double-acting Hollow Plunger Cylinders High Quality Hydraulic Jack

All model include quick couplings (NPT3/8″-18) and dust-proof cap.
Floating center tube is designed to increase product life.
Customizable with special requirement.

SAIVS is a professional manufacturer in hydraulic tools and products, Hydraulic lifting cylinder & jack and Hydraulic pumps.

Our full rang of popular hydraulic cylinder reserviors including jacking, pushing, pulling, supporting etc.

Our hydraulic products have been widely used in petrochemical, Building, shipbuilding, steel plant and heavy constructions areas etc.

 

 

Application

Certifications

Packaging & Shipping

Company Profile

Established in HangZhou, China, CHINAMFG began as a manufacturer and exporter of different kinds of casting and precision CNC machining components, industrial customized parts. CHINAMFG has the experience to develop thousands of tooling and fixtures in house according to customers’ drawings.

In 2002, hydraulic tools research department was settled and company developed its first line of hydraulic tools and equipment. Today CHINAMFG is reckoned as 1 of the most preferred experienced manufacturer and exporter of hydraulic tools, hydraulic pumps & hydraulic components in the industrial market.

We have more than 200 employees total, that work at casting foundries, CNC machining plant. we have nice reputation in components supply chain, as we have better management system, positive teamwork cooperation and advanced equipment. We obtained certificates of TS16949, ISO9001, ISO14001 and OSHAS ISO 18001.

FAQ

Q: Are you trading company or manufacturer?
A: We are factory with more than 20 years experience.

Q: How long for delivery?
A: Generally it is 15-30days as we are customized service we confirm with customer when place order.

Q: What is the MOQ?
A: It depends on what you are buying. Normally, our minimum order is 1 20′ full container and LCL container (less than a
container load) can be acceptable.

Q: Can you customize my products?
A: Yes, we can customized products with your design drawings like DWG, DXF, DXW, IGES, STEP, PDF etc.

Q: What is your terms of payment?
A: 30% T/T in advance, balance before shipment, or as per discussion.

Q: What about your quality control?
A: * . Checking the raw material after they reach our factory—–Incoming quality control(IQC)
* . Checking the details before the production line operated
* . Have full inspection and routing inspection during mass production—-In-process quality control(IPQC)
* . Checking the goods after they are finished—-Final quality control(FQC)
* . Checking the goods after they are finished—-Outgoing quality control(QC)
* . 100% inspection and delivery before shipment

 

After-sales Service: Yes
Warranty: 1 Year
Type: Hydraulic Jack
Structure: Hydraulic Jack
Capacity (Load): 30-150 T
Power Source: Hydraulic
Customization:
Available

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double acting hydraulic cylinder

Can double-acting hydraulic cylinders be repaired or maintained when needed?

Yes, double-acting hydraulic cylinders can be repaired and maintained when needed. Here’s a detailed explanation:

1. Inspection and Diagnosis: When a double-acting hydraulic cylinder requires repair or maintenance, the first step is to conduct a thorough inspection and diagnosis. This involves examining the cylinder for any visible damage, leaks, or signs of wear. Additionally, the hydraulic system and associated components should be checked for proper operation and potential issues. Through inspection and diagnosis, the specific problem or maintenance requirement can be identified.

2. Seal Replacement: One of the most common maintenance tasks for double-acting hydraulic cylinders is seal replacement. Seals, such as piston seals and rod seals, are critical components that prevent fluid leakage and maintain system integrity. Over time, seals can wear out or become damaged, leading to leaks and reduced performance. By replacing worn or damaged seals, the cylinder’s functionality can be restored.

3. Component Repair or Replacement: Depending on the nature and extent of the issue, specific components of the double-acting hydraulic cylinder may need repair or replacement. This can include repairing or replacing damaged pistons, rods, glands, or other internal parts. In cases where the damage is extensive or the component is beyond repair, a complete replacement may be necessary.

4. Fluid and Filter Maintenance: Proper fluid and filter maintenance is essential for the optimal performance and longevity of hydraulic cylinders. Regular fluid checks, fluid level adjustments, and fluid replacements are part of routine maintenance. Similarly, filters should be inspected and replaced as needed to prevent contamination and ensure the cleanliness of the hydraulic fluid.

5. Lubrication: Lubrication is vital for the smooth operation of double-acting hydraulic cylinders. Lubrication points, such as pivot points and sliding surfaces, should be regularly lubricated with the appropriate lubricant. This helps reduce friction, wear, and potential damage to the cylinder components.

6. Testing and Calibration: After repairs or maintenance activities, it is important to perform testing and calibration to ensure that the double-acting hydraulic cylinder is functioning correctly. This may involve checking for proper operation, verifying the cylinder’s force output, and conducting leakage tests. Testing and calibration help validate the effectiveness of the repair or maintenance work.

7. Preventive Maintenance: Implementing a preventive maintenance program is highly recommended to proactively address potential issues and extend the lifespan of double-acting hydraulic cylinders. This includes regular inspections, scheduled maintenance tasks, and adherence to manufacturer-recommended service intervals. Preventive maintenance helps identify and address problems before they cause significant damage or system failures.

8. Professional Assistance: In complex repair or maintenance situations, or when specialized knowledge is required, seeking professional assistance is advisable. Hydraulic system experts or certified technicians can provide the necessary expertise and ensure that repairs and maintenance are conducted safely and effectively.

By performing regular maintenance and addressing repairs promptly, double-acting hydraulic cylinders can be kept in optimal condition, ensuring their reliable operation and longevity.

double acting hydraulic cylinder

How does a double-acting hydraulic cylinder handle variations in cylinder size and capacity?

A double-acting hydraulic cylinder is designed to handle variations in cylinder size and capacity effectively. Here’s a detailed explanation:

1. Modular Design: Double-acting hydraulic cylinders are often built with a modular design, allowing for flexibility in cylinder size and capacity. The modular approach means that different components, such as the cylinder barrel, piston, and rod, can be easily interchanged or replaced to accommodate varying size and capacity requirements. This modularity enables hydraulic cylinders to be customized and adapted to specific applications, ensuring optimal performance and efficiency.

2. Standardized Sizing: Hydraulic cylinders, including double-acting ones, often adhere to standard sizing conventions. These standards specify the dimensions and capacities of cylinders based on widely accepted industry norms. By following standardized sizing, hydraulic cylinder manufacturers ensure compatibility and interchangeability of components. This facilitates the selection and replacement of cylinders with appropriate size and capacity to meet specific application needs.

3. Pressure and Flow Control: Double-acting hydraulic cylinders can handle variations in cylinder size and capacity by adjusting the pressure and flow of hydraulic fluid. The hydraulic system supplying the cylinder can be equipped with valves, regulators, and control mechanisms to regulate the pressure and flow rates. By adjusting these parameters, operators can control the force generated by the cylinder, compensating for variations in size and capacity. This allows for consistent and precise force application, regardless of the specific cylinder dimensions.

4. Load Calculation and System Design: When designing hydraulic systems that incorporate double-acting cylinders, load calculations and system design considerations are essential. Engineers assess the intended load requirements and select cylinders with appropriate size and capacity to handle those loads. By accurately calculating the forces involved and selecting cylinders with suitable specifications, the hydraulic system can effectively handle variations in cylinder size and capacity, ensuring safe and efficient operation.

5. Performance Testing and Certification: Double-acting hydraulic cylinders undergo rigorous testing and certification processes to ensure their performance and reliability. Manufacturers conduct various tests, including pressure testing, load testing, and endurance testing, to verify that cylinders meet the specified size and capacity ratings. By adhering to industry standards and obtaining certifications, manufacturers provide assurance that their cylinders can handle variations in size and capacity within the specified limits, maintaining consistent performance and safety.

Through modular design, standardized sizing, pressure and flow control, load calculation and system design considerations, as well as performance testing and certification, double-acting hydraulic cylinders are well-equipped to handle variations in cylinder size and capacity. These features ensure that hydraulic systems can be tailored to specific requirements, providing reliable and efficient operation across a range of applications in various industries.

double acting hydraulic cylinder

Can double-acting hydraulic cylinders be customized for specific machinery and equipment?

Yes, double-acting hydraulic cylinders can be customized to meet the specific requirements of machinery and equipment. Here’s a detailed explanation:

1. Size and Dimension: Double-acting hydraulic cylinders can be customized in terms of size and dimension to fit the available space and installation requirements of the machinery or equipment. The cylinder’s length, diameter, and mounting options can be adjusted to ensure a proper fit and integration with the existing system.

2. Force and Stroke Capacity: Hydraulic cylinders can be customized to provide the desired force and stroke capacity based on the machinery’s operational needs. The diameter of the piston, the size of the rod, and the hydraulic pressure can be tailored to achieve the required force output and stroke length, ensuring optimal performance.

3. Seal and Material Selection: The choice of seals and materials used in the construction of double-acting hydraulic cylinders can be customized to suit specific applications. Different seal materials, such as rubber or polyurethane, can be selected based on factors like temperature, pressure, and compatibility with the working fluid. Similarly, the cylinder’s body material can be chosen to withstand corrosive environments or heavy-duty operations.

4. Mounting and Connection Options: Hydraulic cylinders can be customized with various mounting and connection options to facilitate easy installation and integration into the machinery or equipment. Mounting styles such as flange mounts, trunnion mounts, or clevis mounts can be selected based on the specific mounting requirements. Similarly, connection options for hydraulic hoses or fittings can be customized to ensure compatibility with the existing hydraulic system.

5. Sensor Integration: For applications that require feedback or control, double-acting hydraulic cylinders can be customized to integrate sensors or position feedback devices. These sensors can provide information about the cylinder’s position, velocity, or force, allowing for precise control and monitoring of the machinery or equipment.

6. Special Features and Coatings: Depending on the application’s unique needs, double-acting hydraulic cylinders can be customized with special features or coatings. For example, cylinders used in extreme environments may require protective coatings to resist corrosion or abrasion. Cylinders used in high-speed applications may incorporate features such as cushioning mechanisms to dampen impact forces.

7. Testing and Validation: Customized hydraulic cylinders undergo rigorous testing and validation processes to ensure their performance and reliability. These tests may include pressure testing, leakage testing, endurance testing, and functional testing to verify that the cylinder meets the specified requirements and standards.

By offering customization options, double-acting hydraulic cylinder manufacturers can tailor the cylinder’s design, specifications, and features to suit the specific machinery and equipment requirements. This customization capability allows for optimal integration, improved performance, and enhanced efficiency in various industrial applications.

China Standard Sjz Series Double-Acting Hollow Cylinders Jack 30-150 Ton Double-Acting Hollow Plunger Cylinders High Quality Hydraulic Jack From CZPT   vacuum pump oil near me		China Standard Sjz Series Double-Acting Hollow Cylinders Jack 30-150 Ton Double-Acting Hollow Plunger Cylinders High Quality Hydraulic Jack From CZPT   vacuum pump oil near me
editor by CX 2023-11-23