Hydraulic pipes, simn are listed individually as a result of the five major components (carbon C, silicon Si, manganese Mn, phosphorus P, sulfur S).1. Smooth steel pipe for fluid: GB8163-992. Smooth steel pipeline for central heating boiler: GB3087-19993. High stress seamless pipe for central heating boiler: GB5310-95 (ST45.8- kind).4. High-pressure smooth steel pipelines for fertilizer tools: GB6479-1999.5. Smooth steel pipeline for geological boring: YB235-70.6. Smooth steel pipe for oil exploration: YB528-65.7. Seamless steel pipeline for oil fracturing: GB9948-88.8. Unique smooth pipe for oil drill collar: YB691-70.9. Smooth steel pipe for auto half shaft: GB3088-1999.10. Smooth steel pipeline for ships: GB5312-1999.11. Cold-drawn cold-rolled accuracy seamless steel pipe: GB3639-1999.Various alloy pipes 16Mn, 27SiMn?, 15CrMo?, 35CrMo?, 12CrMov?, 20G, 40Cr, 12Cr1MoV, 15CrMo? steel pipelines are divided into smooth steel pipes and bonded steel pipelines according to different manufacturing procedures. Smooth steel pipelines are seamless steel pipes made from steel ingots, pipeline billets or steel poles perforated.Hydraulic pipeline weight formula: [( outer diameter-wall thickness) * wall surface density) * 0.02466= kg/m (weight per meter).Benefits of hydraulic.Compared to mechanical transmission and also electric transmission, hydraulic transmission has the adhering to benefits:.1. Various elements of hydraulic transmission can be easily as well as flexibly arranged according to needs.2. Light weight, tiny size, tiny activity inertia as well as rapid response speed.3. Practical operation and control, which can recognize stepless rate law in a variety (speed policy variety approximately 2000:1).4. The overload protection can be recognized immediately.5. Normally, mineral oil is made use of as the working tool, the relative moving surface can be oiled on its own, and also the service life is long;.6. It is very easy to recognize direct motion/.7. It is simple to understand the automation of the machine. When the electro-hydraulic mixed control is embraced, not only a greater level of automated control procedure can be realized, however likewise remote control can be realized.Downsides of hydraulics.1. Due to the huge liquid flow resistance and leakage, the performance is low. If not taken care of appropriately, the leakage will certainly not only contaminate the site, however might also cause fire and surge crashes.2. As the functioning performance is easily influenced by temperature level changes, it is not ideal to function under extremely high or very reduced temperature conditions.3. The manufacturing precision of hydraulic components is high, so the cost is more expensive.4. As a result of the leakage as well as compressibility of the fluid medium, a strict transmission proportion can not be gotten.5. When the hydraulic transmission fails; the use as well as upkeep call for a higher technological level, it is not very easy to discover out the cause.Connector installation.The pipe ought to not be exceedingly bent when it is moving or at rest, nor can it be curved at the origin, but ought to begin to flex at the very least 1.5 times its size;.When the hose is transferred to a severe placement, it needs to not be pulled also tightly, it needs to hang;.Try to avoid torsional contortion of the hose pipe;.Keep the hose as far away as feasible from the heat emitting components, and it is needed to install a thermal barrier;.Avoid outside damage to the pipe, such as long-term rubbing on the surface area of the very same element during usage;.There need to be support parts if the hose's very own weight triggers excessive deformation.Pipe installation.Before installation, all steel pipes can be pickled first, especially the steel pipelines linked to the ferrule type pipeline joints should be pickled initially, and afterwards the ferrule is attached to the pipe end ahead of time;.All pipeline joints must be cleaned up with kerosene before installation, the O-rings inside must be briefly gotten rid of for storage, and also after that place on after the official setup;.Throughout building and construction, keep the oil ports, pipeline joints, pipe ends and other openings of pumps, distributors as well as various other tools clean, and also do not enable foreign objects such as water as well as dust to get in;.The pipeline will be laid in a free state, and the bonded pipeline shall not be by force fixed and connected by applying excessive radial pressure;.The oil opening of the bearing seat ought to be signed in advancement to see if the internal oil circuit is unblocked and if the oil port string matches the joint.Pipe cleansing.<img width="337" src="https://www.rubber-pvc-hose.com/wp-content/uploads/2016/11/hydraulic-fittings-16.jpg">In order to make sure the cleanliness of the lubrication system and provide the bearings of mechanical tools with clean grease, the pre-installed pipelines must be removed as well as cleaned up. There are two sorts of cleaning: kerosene cleansing as well as pickling.( 1) Things and approaches of kerosene cleansing.Object. Copper pipelines, stainless steel pipes;.approach. 1. The steel pipelines that have actually been marinaded prior to pre-installation, and also the internal wall surface is without corrosion and also iron scale; 2. http://www.liujin-fittings.com/With-SGS-Certification-factory-supply-sae-o-ring-boss-orb-male-nipple-pd48556763.html that were dirtied throughout the pre-installation; 3. Remove the pipelines and joints that need to be cleaned up, as well as use towel (( It is necessary not to shed woollen). Clean the within of the tube with kerosene, saturate both ends as well as joints in kerosene to clean, after that layer the inside of the tube with engine oil or fill with oil, and seal both finishes for installation; 4. After cleansing, there ought to be no noticeable impurities. (Such as iron filings, fibrous impurities, welding slag, etc), pay unique focus to the welding slag on the internal wall of the weld have to be thoroughly cleaned up.( 2) Marinading things as well as methods.Item. Steel pipes that have not been pickled prior to pre-installation; steel pipes that have been marinaded but are now seriously corroded.Use clean water to remove the dust on the pipeline; 3. Rinse with clean water For the accessories produced in the above operations, the within of the pipeline should be cleaned with high-pressure water; 5. In order to properly dry the pipeline, the pipe ought to be submersed in warm water or vapor dried out.The steel pipelines that have been pickled prior to pre-installation, and the internal wall surface is totally free of corrosion as well as iron range; 2. Remove the pipelines and joints that need to be cleansed, and utilize cloth (( It is needed not to drop wool). Use clean water to eliminate the dust on the pipeline; 3. Wash with tidy water For the add-ons created in the above procedures, the inside of the pipe need to be washed with high-pressure water; 5. In order to successfully dry the pipe, the pipe should be immersed in hot water or heavy steam dried out.


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Last-modified: 2022-02-15 (火) 03:24:00 (800d)