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Hydraulic pipes, simn are provided individually as a result of the 5 major components (carbon C, silicon Si, manganese Mn, phosphorus P, sulfur S).1. Smooth steel pipe for liquid: GB8163-992. Smooth steel pipe for boiler: GB3087-19993. High stress smooth pipeline for boiler: GB5310-95 (ST45.8- kind).4. http://www.liujin-fittings.com/7T9-12PK-bsp-hose-fittings-90deg-elbow-bspt-female-hydraulic-adapter-fitting-pd48526763.html -pressure smooth steel pipelines for plant food equipment: GB6479-1999.5. Smooth steel pipe for geological boring: YB235-70.6. Smooth steel pipe for oil boring: YB528-65.7. Seamless steel pipe for oil cracking: GB9948-88.8. Unique seamless pipe for oil drill collar: YB691-70.9. Seamless steel pipe for vehicle fifty percent shaft: GB3088-1999.10. Smooth steel pipeline for ships: GB5312-1999.11. Cold-drawn cold-rolled precision smooth steel pipeline: GB3639-1999.Various alloy pipes 16Mn, 27SiMn?, 15CrMo?, 35CrMo?, 12CrMov?, 20G, 40Cr, 12Cr1MoV, 15CrMo? steel pipes are divided into seamless steel pipelines as well as bonded steel pipes according to various manufacturing processes. Seamless steel pipelines are smooth steel pipelines made from steel ingots, pipe billets or steel rods perforated.Hydraulic pipeline weight formula: [( external diameter-wall thickness) * wall density) * 0.02466= kg/m (weight per meter).Advantages of hydraulic.Compared to mechanical transmission as well as electrical transmission, hydraulic transmission has the adhering to advantages:.1. Different elements of hydraulic transmission can be easily and also flexibly set up according to demands.2. Lightweight, tiny size, small movement inertia and quick response rate.3. Convenient procedure as well as control, which can understand stepless rate policy in a variety (speed guideline array up to 2000:1).4. The overload protection can be understood instantly.5. Usually, mineral oil is used as the functioning medium, the family member relocating surface area can be lubed on its own, and also the life span is long;.6. It is easy to realize linear activity/.7. It is very easy to realize the automation of the machine. When the electro-hydraulic combined control is adopted, not only a higher degree of automated control procedure can be realized, however additionally remote control can be recognized.Drawbacks of hydraulics.1. As a result of the huge fluid circulation resistance and leak, the efficiency is reduced. If not dealt with properly, the leakage will certainly not only contaminate the site, however might likewise create fire and also explosion mishaps.<img width="424" src="">2. As the working performance is quickly impacted by temperature adjustments, it is not appropriate to function under extremely high or really low temperature problems.3. The manufacturing precision of hydraulic parts is high, so the cost is much more expensive.4. Due to the leakage as well as compressibility of the fluid tool, a strict transmission ratio can not be obtained.5. It is not easy to figure out the reason when the hydraulic transmission stops working; the use and upkeep need a higher technological level.Port installation.The hose pipe must not be exceedingly bent when it is moving or at rest, nor can it be curved at the origin, but need to start to bend at the very least 1.5 times its size;.When the hose pipe is transferred to an extreme position, it needs to not be drawn as well firmly, it needs to hang;.Attempt to prevent torsional contortion of the hose pipe;.Keep the hose pipe as away as feasible from the warmth radiating elements, and also it is essential to set up a heat shield;.Prevent outside damage to the hose pipe, such as lasting rubbing externally of the same part during usage;.There ought to be assistance components if the tube's own weight creates excessive deformation.Pipeline installation.Prior to setup, all steel pipelines can be pickled initially, specifically the steel pipes connected to the ferrule type pipe joints must be pickled initially, and also after that the ferrule is secured to the pipeline end beforehand;.All pipe joints must be cleansed with kerosene prior to setup, the O-rings inside need to be momentarily removed for storage, and also after that place on after the official setup;.Throughout construction, maintain the oil ports, pipeline joints, pipe ends as well as other openings of pumps, representatives as well as various other devices tidy, and do not permit international objects such as water and also dirt to get in;.The pipe shall be stocked a complimentary state, and the welded pipe will not be forcibly dealt with and linked by applying too much radial force;.The oil opening of the bearing seat must be inspected in development to see if the inner oil circuit is unblocked as well as if the oil port thread matches the joint.Pipe cleaning.In order to guarantee the cleanliness of the lubrication system and supply the bearings of mechanical devices with clean grease, the pre-installed pipelines must be removed and cleaned. There are two kinds of cleaning: kerosene cleansing and pickling.( 1) Objects and also techniques of kerosene cleansing.Things. Copper pipes, stainless steel pipes;.technique. 1. The steel pipes that have actually been pickled before pre-installation, and the inner wall surface is devoid of rust and iron scale; 2. The pipeline joints that were soiled during the pre-installation; 3. Remove the pipes and also joints that need to be cleaned up, and also use cloth (( It is essential not to shed woollen). Clean the within television with kerosene, soak both ends and joints in kerosene to clean, then coat the within of the tube with engine oil or loaded with grease, and also seal both ends for installation; 4. After cleansing, there ought to be no noticeable impurities. (Such as iron filings, coarse impurities, welding slag, etc), pay unique attention to the welding slag on the internal wall of the weld need to be thoroughly cleansed.( 2) Pickling methods and also objects.Things. Steel pipelines that have actually not been pickled prior to pre-installation; steel pipes that have been marinaded yet are now severely rusted.approach. 1. Make use of a degreasing agent to eliminate the oil adhering to the pipe; 2. Usage clean water to get rid of the dirt on the pipeline; 3. Remove the corrosion areas on the pipeline wall surface, rolled iron filings, and so on in the pickling remedy; 4. Rinse with tidy water For the attachments created in the above operations, the within the pipeline need to be cleaned with high-pressure water; 5. Neutralize the acid service staying on the pipeline with lye; 6. In order to effectively dry the pipe, the pipe ought to be immersed in warm water or steam dried out. Make the pipes completely dry; 7. Examine the pickled pipelines to see if they are clean; 8. Seal the opening of the pipeline with plastic or plastic tape immediately after pickling to stop foreign issue and wetness from intruding [1]The steel pipelines that have been marinaded before pre-installation, as well as the inner wall surface is totally free of rust and also iron scale; 2. Remove the pipelines as well as joints that need to be cleaned up, and utilize cloth (( It is essential not to shed woollen). Usage tidy water to get rid of the dust on the pipeline; 3. Wash with clean water For the accessories created in the above procedures, the inside of the pipe should be cleaned with high-pressure water; 5. In order to properly dry out the pipe, the pipeline ought to be immersed in hot water or steam dried out.