China Best Sales Hydraulic Multi-Stressing Cylinder with high quality

Product Description

Wholesale 65-600 tons Hydraulic Stressing Jack

Hydraulic Stressing Jack: large tonnage jack 65-600 tons; bridge hollow steel strand Jack.
1 main parts of the jack is made of high strength steel, has the advantages of compact structure, light weight, small size and characteristics.
2 short axial length, steel wire tension for short length, can save steel material.
3 lifting and flexible, durable, easy operation and convenient maintenance.

Description of Hydraulic stressing jack:
Jacks for professional tensioning steel hinge lines of prestressed reinforcement for Hydraulic Stressing Jack, tensioning operation in all kinds of steel strand anchorage. It generally need to be matched with the tension of high pressure oil pump, tension and power back to the top by the tension of oil pump.
Application of Hydraulic stressing jack:
Large buildings, widely used in post tensioned structures, prestressed concrete bridge, rock anchoring, hydraulic structure, ground anchor and other major projects.
Parameters of Hydraulic stressing jack:

Model specifications Nominal tensile force (KN) Nominal oil pressure (Mpa) Through hole diameter (mm) Install limit plate aperture (mm) Mounting tool (mm) Outside diameter size (mm)
Diameter * Height
YDC650 650 48 72 99 95 200*385
YDC1000 1000 50 78 111 111 230*385
YDC1500 1500 52 94 150 150 270*390
YDC2000 2000 53 118 177 177 320*400
YDC2500 2500 52 128 210 185 345*400
YDC3000 3000 52 135 190 185 370*400
YDC3500 3500 51 160 232 232 420*400
YDC4000 4000 52 165 252 252 450*410
YDC5000 5000 52 196 260 265 500*410
YDC6500 6500 53 220 295 235 580*420
YDC10000 10000 50 270 440 415 740*570

Precautions for operating hydraulic stressing jack:
Should first understand the engineering design of prestressed beam tension, such as root number, each beam of steel strand standard strength, the cross-sectional area of the numerical control stress of delta K, the value of stretching, anchorage retraction value, then according to the pressure of output power calibration of hydraulic. Set the K value of 2. 8, post tensioning hydraulic jack: (see Figure 2: installation method and hydraulic system diagram)
(1) the reserved corridor into the structure of the steel wire, in tension requirements of steel beam exposed length than the work length of jack up 200 – 250mm. steel wire must not loose head with a sheet grinder after cutting, is not a “feather”, in order to avoid perforation difficult.
(2) cover the end of the steel wire of the work anchor plate, push it to the anchor plate and fix it at the end of the anchor
(3) installation: installation of anchor clamp clip before the steel ring pay per clip hoop together, and then along the strand will be pushed into the anchor hole, pushed by hand to move.
(4) installing the limiting plate: the spacing plate matches the hole of the anchor plate according to the design of the work anchor plate
(5) post tensioning jacks: first strand bundle end with wire pin and binding can be lifted, Jack is sheathed on the steel beam, Prestressed  Post Tension Jack and the front end cover is sheathed on the outside of the jack supporting limit plate. Then Jack can be coaxial pair.
Fit the tool anchor at the supporting end of the piston end.


Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: What the exactly address of your factory?
A2:  No.27, Xihu (West Lake) Dis. Village Industrial Park, Xihu (West Lake) Dis. District, ZheJiang Province China.                                                                                                                            
Q3: Warranty terms of your machine?
A3: One year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines?
A4: Yes, of course.

Q5: What about the voltage of products? Can they be customized?
A5: Our standard voltage is 380V, 50HZ, 3phase. The voltage can be customized according to your equipment.
Q6: Which payment term can you accept?
A6: 100% T/T( Decide according to actual situation)

Q7: How long will you take to arrange production?
A7: we can delivery the normal goods within 7-15 days. Other nonstandard electrical items we will delivery within 25-30 days.
Q8: Can you accept OEM orders?
A8: Yes, with professional design team, OEM orders are highly welcome.
Q9: Which trade term can you accept?
A9: Available trade terms: FOB, CIF, CFR, EXW, etc.

Q10: Do you provide samples? Is it free or extra?
A10: Yes, we could offer you the sample machine. But it’s not free. You need to pay for the sample and the cost of freight.

Q11: What is your terms of payment?
A11: We accept T/T, Western Union, Money Gram, Paypal, L/C, etc.

Our Company Information:

We have been focusing on high-quality mechanical equipment and construction products for more than 20 years. Especially have rich experience at mining equipment, main products include:

Ultra Large Rock Splitter
Submersible Drilling Rig
Spraying Machine
Grinding Machine

About Our Factory:

About the products:

Packing and Shipping:

Purchase Process:

About the Quality:


Why you choose us:

1. We are a real factory offering products and provide free technical advice.
2. Company in business for many years and served Over 50 countries customers.
3. All machine with CE, ISO,SGS certificate. Machine and spindle warranty 1 year. 
4. We have phone support in English, if you have any questions, you can call us, and we can give you the best solution within 24 hours.
5. Fast delivery, save your time. 

Proper Maintenance of Tractor Parts

Proper maintenance of tractor parts is a necessity if you want to keep them running smoothly. Here are some things to keep in mind:


Proper maintenance of tractor parts

To ensure that your tractor is operating at peak efficiency, you should perform preventative maintenance on its various parts. Before opening the cab of your tractor, perform a visual inspection to check for any problems. Look for leaking fluids, hoses, and cables. Tighten loose connections, and clean any debris from these components. Also check the sediment bowl under the fuel filter for any material or water. If the sediment bowl has a large amount of material, it may be time to replace the fuel filter or the air filter.

Despite the monetary cost of maintaining your tractor, a few simple things can keep your investment in top condition. For instance, lubrication can prevent corrosion and friction, while cleaning air filters can extend their useful life. The paint on your tractor should also be inspected regularly. Regular lubrication will help you avoid expensive repairs, and will also increase efficiency. Proper maintenance of tractor parts can also help you prevent heavy rust.

Checking your tractor’s internal parts regularly can prevent big problems from crop failures. Lubricating internal parts helps reduce friction, and you should also replace blown or broken bulbs and exhaust fluid. Regular maintenance at tractor dealers will help prevent potential problems. A dealer will also perform tune-ups and oil changes for you, reducing the chances of unexpected issues. For those who don’t have the time to perform the maintenance themselves, consider visiting a tractor dealership.

In addition to inspecting engine components, you should also regularly check your tractor’s hydraulic system. Make sure that the fluids are in good condition, as rust, internal damage, and engine clogs can be caused by dirty or leaking hydraulic hoses. As with any mechanical system, the engine is the heart of a tractor, so it’s vital to maintain the oil tank as often as possible. For these checks, you can use a reference to your tractor model before purchasing new parts.

To extend the life of tractor parts, owners should regularly change the oil in the engine. This is necessary to prevent wear and tear on the tractor parts. Proper oil changes also increase the resale value of the equipment and extend its performance. You can use a grease gun to freshen up the grease nipples, which prevents the rusting of moving parts. By following these tips, you can make sure that your tractor runs smoothly.


Preventative maintenance

Performing preventative maintenance on your tractor is an important way to maintain your machine and minimize the risk of unexpected breakdowns. It is an essential part of tractor ownership because regular maintenance reduces the risk of costly repairs. Before you begin a tractor maintenance program, read the manual to determine what common maintenance items are needed for the specific model. This will help you keep the parts in good shape and save you money in the long run.

Proper checkups on engine fluids, radiator fluid and transmission fluid are essential for maintaining the efficiency of your equipment. It’s important to refill these tanks with clean fluids to avoid rust, internal damage, and engine clogs. The following preventative maintenance tasks are recommended by tractor manufacturers:

Check tire pressure and inflation, as well as inspect the rims and lug nuts. Then, check the axles and drive shafts to ensure they are in good condition. Replace any damaged or missing lug nuts. And lastly, check all lights. Make sure all bulbs are functioning and replaced if necessary. To prevent unnecessary breakdowns, follow these tips to maximize the performance of your tractor. You will be glad you did.

If you have a spare part, be sure to have it on hand. Having a spare part handy will make it easier to do preventative maintenance on your tractor and save you the hassle of calling a repair shop or waiting for the parts to arrive. If you’re looking to get the best value for your money, proactive tractor maintenance is essential. In addition to routine inspections, remember to keep the tractor running at its peak performance level. You may want to have a checkup performed every 6 months or so.

Operator training is another essential preventive maintenance step. Operators must know how to perform routine maintenance tasks without fail. Operator training can be as simple as a review of the operator’s manual and demonstrating how systems and controls work. Training can also involve training operators on how to use checklists to make sure that all minor maintenance steps are performed correctly. This can save you thousands of dollars in repairs. Also, by performing regular preventative maintenance, you can avoid unexpected breakdowns.


Types of filters

A tractor’s air filter, for instance, should be changed on a regular basis to keep the engine performing at peak performance. The reason is that working tractors are constantly exposed to debris and other substances in the driving environment. Even show tractors should periodically check their air filters to ensure they are functioning properly. A single chunk of dust can cause problems inside the sensitive machinery. That is why it’s important to replace filters at the appropriate intervals.

There are several different types of filters on a tractor. The type of filter needed depends on the original reference and the manufacturer. Listed below are some of the most common types of filters used by tractors. Agricolors’ website lets you choose the model of your tractor and then offers the corresponding filter made by the original manufacturer. Alternatively, you can choose an adaptable filter of equivalent quality. These filters are designed to fit various types of tractors, ranging from lawnmowers to combines.

Oil, air, and hydraulic filters are essential for tractor parts. Those with oil filters protect hydraulic components from harmful impurities. Fuel filters protect the injector pump from damage caused by debris. If your tractor doesn’t have filters, you’ll experience a variety of problems. You’ll notice odd noises or reduced HP. Or you might smell fuel when the engine starts. If these symptoms sound familiar, it’s a problem with your filters.

Tractor oil filter replaces itself every few months or so. Tractor oil coagulates over time into black globs. If not replaced, the globs clog up engine parts. Tractor oil filter acts like the kidneys and liver of the tractor, filtering brackish globs out of your engine. Like the human body, a tractor’s filters have similar functions to the human body’s. When they stop working properly, your tractor’s engine will no longer function optimally.

China Best Sales Hydraulic Multi-Stressing Cylinder     with high qualityChina Best Sales Hydraulic Multi-Stressing Cylinder     with high quality

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