Card sets of pipe joints without welding process

Card sets of pipe joints have a solid connection , pressure capacity, high temperature resistance, good sealing and repeated installation and maintenance easy, safe and reliable. Card sets hydraulic ferrule joints pipe working principle is to insert the card kit, using the ferrule nut , inconsistent card sets, cut hydraulic adapters and seal. It is connected with hydraulic adapter without welding , is conducive to fire, explosion , and high-altitude operations , and can eliminate the evils of welding accidentally . So it is refining, chemical , oil, gas , food, pharmaceutical , instrumentation, piping and other systems controlled device in a more advanced connections . For oil, gas , water, etc. piping connections .

Hydraulic fittings structural characteristics of the hydraulic system

Hydraulic fittings hydraulic system due to its simple structure, flexible layout , good self-lubricating components , easy , and combined with other transmission methods . Therefore, at present most of the equipment in all types of enterprises on a wide range of applications . I plant all tending electrolysis , casting machines and tipping hybrid furnace and other key equipment are used the hydraulic fittings system . The hydraulic system of hydraulic pipe fittings are generally closed loop piping system, hydraulic hose assemblys system failure is difficult to locate hidden main disadvantages of hydraulic drive . Equipment failure of the hydraulic system as soon as possible once the cause of the fault and immediately removed to reduce parking due to equipment caused economic losses. Engineering and technical personnel required by virtue of their professional and technical skills, basic knowledge of hydraulic ferrule transmission , hydraulic fittings components and the basic principles of structural knowledge loop failure analysis.

Joint leakage prevention, protection of life

In the hydraulic system, both the metal pipe coupling, or hydraulic hose fittings, there are prone to leakage problems. For ferrule fittings, mostly due to pipeline subject to greater external force or impact, so that the card sleeve loose or deformed face caused by leaking pipe, you should check whether the card holder out of round, whether the defect edge, whether the pipe ends intact and nut, compression level, etc., while also eliminating pipeline force.Hydraulic pipe fittings hose fittings for flared fittings, mostly due to excessive flaring, quality, undesirable or multiple demolition, resulting in flared cracks or deformation caused by leaks, then you can be re-flared front truncated. If you use a male and female cone top pressure seal, the leakage is mostly due to two cone damage, Hydraulic adapters hose fittings available on the cone abrasive grit grinding. In some with "о" or outer-ring face seal by the occasion.

Hydraulic fittings structural characteristics of the hydraulic system

Hydraulic fittings hydraulic system due to its simple structure, flexible layout, good self-lubricating components, easy, and combined with other transmission methods. Therefore, at present most of the equipment in all types of enterprises on a wide range of applications, all electrolytic tending my factory, casting machines and tipping hybrid furnace and other key equipment are used the hydraulic system. Hydraulic adapters system of hydraulic pipe fittings are generally closed loop piping system, hydraulic hose fitting system failure is difficult to locate hidden main disadvantages of hydraulic drive.Equipment failure of the hydraulic adapter system as soon as possible once the cause of the fault and immediately removed to reduce parking due to equipment caused economic losses. Engineering and technical personnel required by virtue of their professional and technical skills, basic knowledge of hydraulic transmission, hydraulic fittings components and the basic principles of structural failure analysis circuit knowledge

Card sets of pipe joints relationship between the structure

Card sets of pipe joints pipe working principle is to insert the card kit, using the ferrule nut, inconsistent card sets, cut Hydraulic pipe fittings and seal. It is connected with the pipe without welding, is conducive to fire, explosion, and high-altitude operations, and can eliminate the evils of welding accidentally. So it is refining, chemical, oil, gas, food, pharmaceutical, instrumentation, piping and other systems controlled device in a more advanced connections. For oil, gas, water, etc. piping connections.Ferrule tube fitting consists of three parts: the connector body, card sets, nuts. When the card sleeve and nut cap on hydraulic adapter into the fitting body, tighten the nut on the outer end fittings and connector body cone fit evenly inside edge bite into seamless, form an effective seal

Brazing metal hose connector structure has the following characteristics

Brazing metal hose connector structure has the following characteristics:
Brazing seam wall shape is more complex. A corrugated thin steel net. Shown in Figure l . In order to ensure the tightness of brazed joints and carrying capacity , for brazing high quality requirements , and in the production of sufficient stability. Because corrugated hose and fine steel mesh thin thin, fast flame with oxygen B manual Hydraulic pipe fittings cause overheating. Bitter than 830C is generated stability of chromium and titanium oxides is difficult to remove , the solder is almost impossible , so the required soldering process to prevent oxidation. In the welding production practice . Due to its special structure and unfavorable factors, using oxygen B brazing often difficult to achieve faster design and process requirements. In order to properly solve this problem. We use Arc Brazing new technology. That is carried out under an inert gas protection pull arc melting brazing , MIG arc in the workpiece and is surrounded by protective gas .hydraulic hose assemblysaterial as the arc electrode . Continuously fed from the torch brazing zone , forming the weld brazing filler metal . Cast arc melting brazing material is characterized by a low melting point solder ( 2 silver solder melting point of 860 ~ 900 "C), high mechanical strength , the weld heat affected zone is small brazing without the use of solder may not have a corrosive effect . Welding not after cleaning . device operation side cartridges. cartridges in automated.

Metal hose brazed joint structure and characteristics

Metal hose connectors are widely used in oil and insulating oil and turbine oil transportation . As a medium delivery hose has a higher pressure and temperature. Therefore, if a leak or desoldering welding parts will cause serious accidents. There are inner and outer metal hose . The inner layer is Φ2O × 2mm hoses. The thin outer layer of woven steel mesh . Two layers are made of 1Cr18Ni9Ti. Hose which mainly acts as a seal . Hydraulic hose fittings mesh from strength to protect ashamed to use . Recently factory production hose three gods in the form ( spiral integral , roll -welded and brazed ) . Since the metal boiler delivery hose at runtime withstand high temperatures and pressures , often subject to bending stress. Therefore recommend the use of the whole spiral hose . Hose transported to the site after the installation of a short stainless steel Hydraulic pipe fittings , while the fine plus a stainless steel outer and brazing , braze weld pipe work must ensure sealing and bear turns force .

Preswaged sets of pipe joints of the most important aspects of pre

Preswaged sets of pipe joints of the most important aspects of pre-( A ) pre-installed ① card preloaded ring couplings most important aspect of a direct impact on the reliability of sealing . Generally require a dedicated preheater . Small diameter connector can be pre-installed in a vise . In practice, with a connector as the parent , the nut , ferrule onto the tube can be pressed . There are card sets straight couplings , sleeve type end through turn heads, ferrule tube fittings and other types . I found that even in the same factory shipment , these types of connector body tapered hole depth is often not the same , the result is caused by a leak , and this problem is often overlooked. The correct approach is , the pipe end what kind of connector body connection , the corresponding connection terminal is preloaded with the same type of connector , so to avoid possible leakage problems . ② pipe end should be flush . After sawing the pipe should be hydraulic hose fitting wheel and other tools , and deburring , cleaning with high-pressure air to blow before use. ③ pre-installed , you should try to keep the tube and the coaxial connector body , if the pipe deflection is too large will cause seal failure. ④ preloaded force should not be too large so that the ferrule tube embedded in the outer wall just inside the edge , card sets shall have no deformation . During pipeline connection, then the provisions of the tightening force assembled . ф6-1 card sets tightening force is 64-1 15n, 16фmmr 259n, ф18mm for 450n. If the pre- deformed when the card holder will lose the seal.
( Two ) . Prohibit adding sealant filler. It was sealed in order to achieve better results, apply sealant put on the card , the results sealant being washed into hydraulic adapter, hydraulic components causing blockage damping hole fault .
( III). Connecting pipe should be sufficient deformation of the tube margin , to prevent the tube subjected to tensile strength .
( Four ) . Connecting pipe should avoid subjecting it to lateral forces , lateral forces caused Mifengbuyan over the General Assembly .
( Five ) . Connecting pipe should be a good one , to avoid multiple disassemble , otherwise it will deteriorate the sealing performance

Metal hose used for automated meter signal wire protection tube and instrument protection tube

Metal hose used for automated meter signal wire protection tube and instrument protection tube. Instrument for the protection circuit, protecting precision optical ruler to protect the sensing lines threading stainless steel hose, metal hose electrical protection; stainless Hydraulic hose fittings, good softness, dustproof, waterproof, anti-oil, anti-rust; abrasion resistance, and provide some shielding effect. The sensing for precision optical ruler line protection, industrial sensor circuit protection. Has good flexibility, corrosion resistance, high temperature resistance, abrasion resistance, tensile strength.

Metal hose technical knowledge

With the rapid development of modern industry and the mutual penetration of various disciplines , metal hose in the machinery manufacturing , petrochemical , instrumentation, and is widely used on various projects . Nearly three decades, it has expanded used in aerospace, aviation, nuclear power, shipbuilding, electronics and new construction and other industrial sectors , a modern engineering technology indispensable accessory , plays a prominent role. In China , it appears the early fifties the most original Hydraulic tube fittings, which is based on the strip is wrapped around the body of the bellows . However, it is developing very fast , after five years or so , we have gone through other countries traveled nearly a hundred years . Currently, we have been able to produce some reached the international advanced level of metal hose . However, due to technical exchange and standardization issues, a number of technical personnel in the field of design of the structural characteristics of modern metal hose , performance indicators is not very clear , resulting in a lot of new metal hose should use the occasion still Hydraulic ferrules structures in the form of relatively old metal hose , rubber tubes and plastic tubes . Universal metal hose technical knowledge , is to enable more people to become familiar with and master the knowledge of modern metal hose for wider and more reasonable to use it .

Shrink cable joints preventive measures and treatment process

Cable insulation stripping , the application of fine sandpaper carefully polished surface of the main insulation layer , making it smooth and no marks , no semiconductor residual points . The insulation must be cleaned with cleaning solvent from the core to the semiconductor shield direction , do not use the shield contact with the semiconductor cleaning cleaning paper the main insulating layer surface .After crimping wire core , application file, sandpaper carefully polished to eliminate edges and tip , and pay attention to the metal fines shall not remain on the surface of the insulating layer .Cable connector in the production process should pay Hydraulic ferrules attention to keep clean , but should try to shorten production time , cut the cable after stripping , exposed to air for longer , intrusive impurities , water , gas , dust, etc. , the greater the possibility to affect joint quality . Therefore requested prior to construction to fully do the preparatory work to ensure uninterrupted production at one go. Production shrink joints should be carefully checked before cable accessories and cable facilities, so as to strictly control the shrink silicone rubber insulating sleeve amount of interference , to ensure that they have sufficient grip force, the interface close contact, no air gap . Respectively, in each phase after shrink Hydraulic adapters composite insulating sleeve surrounding the two ports at the semiconductor self-adhesive tape . Thus, both the silicone rubber casing semiconductor layer and semiconductor XLPE cable outer shield good contact , but also play the role of axial waterproof .Surrounding the self-adhesive waterproof tape, shrink connector moisture seal is key to a semi- overlap method ported from one to the other end of the connector wrapping , and then wrapping the opposite direction from one end to the starting side , wrap two layers. After each wrapped with both hands clasped in turn again, to make it better bonding. Be sure to pull the appropriate wrapping , so tightly wrapped seamless .

Metal soft metal hose construction, construction methods using segmented pipe

Metal soft metal hose construction, construction methods using segmented pipe construction , the use of segmented construction methods , in advance of the original arch culvert base with angle side by side two , the length determined based on long culvert . Culvert advance for the rails, corrugated culvert pipe diameter according to project needs may have different specifications , ready to pipe diameter of 0.5m - 2.5m; each section of pipe length 3 meters. Using internal ( external ) flange bolts. Assembled pipe diameter of 3m - 8m. Each circumferential direction 4 --- 15 plates, lap board and the board strength bolts tightened. If Han longer than 30 meters, the corrugated culvert culvert sides of the original width of less than 80cm, length 3m-6m may be downstream or upstream culvert advance toward the one end , in place later , it can be fixed to the top of the sheet rock masonry end wall , the other end of the corrugated culvert culvert with sandbags or the distance between the mortar and stone block , width 50cm, then start filling . Both sides of the law can be dense or coarse watertight concrete pouring Vibes tamping ; top with high-pressure pumping expansive cement mortar . This section tube four weeks after they have finished filling the second pipe shipped to carry two connections , corrugated culvert pipe are connected to the inner flange bolting , workers in the pipe connection. After connecting to the same method as backfill . In this order , to complete the construction of the entire road corrugated culvert work . Hydraulic tube fittings , according to the selection of electrical equipment into the cable connector metal hoses and Hydraulic pipe fittings, metal hose fittings according to the size of the transition metal hose connector panel mounted connector and metal hose , so that the whole system is naturally smooth ; transition joints can either press the need to produce at the construction site can also be mass-produced in the factory according to standard parts , with the use of promotional value ; cable can extend the life of the cable to be effective in preventing injury leakage and other external forces generated security incidents.

The structure and properties of metal hose introduction

Corrugated metal hose is a modern industrial pipeline a high quality flexible connecting tube . It mainly consists of metal bellows , metal mesh and various different forms of joint components. It is a spiral -shaped corrugated inner tube or annular corrugated thin-walled stainless steel bellows , bellows outer sleeve made ​​of stainless steel wire mesh or stainless steel woven according to certain parameters . Hydraulic tube fittings at both ends of piping or equipment in accordance with the user 's joint form prepared . Metal bellows hose is made of stainless steel seamless or longitudinally welded stainless steel thin walled tube through precision molded plastic deformation . Bellows hose contour determines the elasticity of softness and fatigue resistance , easy to absorb all kinds of sports deformation and cyclic loading , especially to meet the system larger displacement compensation . Corrugated metalHydraulic hose fittings has good flexibility , fatigue resistance , high temperature resistance, corrosion resistance , and many other excellent features, it is relative to other types of hose ( rubber hose , plastic hose ) lifetime is much higher , with the the development of modern industry , resistant to high temperature , high pressure , corrosion-resistant corrugated metal hose is increasingly widely used.

Metal hose Application Performance

Closed metal hose has high acid and alkali, high temperature, flexible bend freely and specifications are complete , easy to install , maintenance free, long life characteristics . Applicable to any environment , various types of metal cutting machinery and equipment are applicable . Corrugated metal pipe is a modern industrial pipeline a high quality flexible connecting tube . It mainly consists of metal bellows , metal mesh and various different forms of joint components. It is a spiral -shaped corrugated inner tube or annular corrugated thin-walled stainless steel bellows , Hydraulic hose fittings outer sleeve made ​​of stainless steel wire mesh or stainless steel woven according to certain parameters . Hose connectors at both ends of piping or equipment in accordance with the user 's joint form prepared . Corrugated metal hose has good flexibility , fatigue resistance , high temperature resistance, corrosion resistance , and many other excellent features, it is relative to other types of hose ( rubber hose , plastic hose ) lifetime is much higher , with the the development of modern industry , resistant to high temperature , high pressure , corrosion-resistant corrugated metal hose is increasingly widely used. Gas stove with gas vent pipe connections , use that is resistant to corrosion, oxidation of the metal hose . Metal hose with threaded connection as long as the stove is connected , you can use the seal will not install due to human causes leaks , and ease of installation .

Stainless steel pipes instead of water supply pipeline has become the trend of other materials

As more and more high buildings , high-rise buildings in the drinking water and fire water delivery systems have special requirements , the system must not only be able to withstand high pressure but also caused by the earthquake and the building of wind movement . Engineers are with stainless steel piping system meets these requirements . The world's newest and tallest 3 buildings ( China Taiwan Province, Taipei Financial Center , Brisbane, Australia Oro Plata Building and Kuala Lumpur Petronas Twin Towers ) is the best illustration of this to the high pressure stainless steel pipe the system changes.In the past 25 years the German drinking water extraction, Hydraulic hose fittings and distribution systems made ​​of stainless steel has been growing widely recognized. Stainless steel tube is not only smooth luxury , look as new, and is widely recognized as a leading environmental health water supply pipes. The strength of austenitic stainless steel pipe carbon steel pipe 2 times , 4 times brass , PPR plastic pipe 8 times , is truly safe and Hydraulic ferrules and can be done with the building with life green pipe. Another major use of stainless steel piping is - the life cycle cost of stainless steel components has obvious advantages , because the long-term infrastructure such as drinking water means the use of a stainless steel , you rarely need to be replaced .Although stainless steel drinking water systems in the world, the universal application will take some time , but in the engineering and economic aspects of stainless steel has the advantage over other alternative materials have shown that : instead of other materials with stainless steel pipe water pipe has become a trend .

Metal hose applications industry

Metal hose applications industry1 , metallurgical industry , metal hose is gradually transition to competition from product performance competitive cost performance , product structure in shape, the metal hose industry applications has been widely recognized .2 , the petrochemical industry , the situation is relatively complex, on the one hand , large-diameter high-pressure hose and tank drain hose central market demand is growing, and new product development in the field of domestic far failed to put in place . On the other hand , some other occasion hose has appeared the phenomenon of alternative products such as dock appearing on the market with a non-metallic Hydraulic adapters conduit tube ( light weight , pressure fit ) . As the petrochemical industry is now the largest domestic market hose , various competitive in this field , input cost of new product development in this area is also larger .3 , railway locomotive industries. As used by the Ministry of Railways information required on the form of a composite hose made ​​stereotypes provisions will not be great changes in the product mix in recent years , mainly manifested as price and service competition. But in the long term, the use of complex conditions , the uncertainty of the composite hose damage from abroad perspective of the development of the industry hose , metal hose being replaced is inevitable, so the product development is still far from over.4 , shipbuilding Hydraulic ferrules industry, product testing by the Society in addition to need , but no special technical performance requirements, but according to foreign domestic data, its market demand is also huge. 5 , civil construction , irrigation installation and other industries, in addition to some of the stereotypes of the hose outside ( such as plumbing , etc. ) , thick-walled tube instead of the trend of domestic elbow yet developed , according to Japanese data show that as much as their domestic water heater application prospects hose market.