Pressure test and pressure resistance metal hose introduction!

Core Tip: Chinese net hydraulic hose fittings metal hose is an important part of modern industry. Wire and cable protection tube metal hose used for wire, cable, automated instrumentation signals and civilian shower hose specifications from 3m

Metal hydraulic hose couplings is an important part of modern industry. Metal hose used for wire, cable, wire and cable protection tube and civilian shower hose automated instrumentation signal specifications from 3mm to 150mm. Small caliber metal hose (inner diameter 3mm-25mm) is mainly used for precision optical ruler of the sensing circuit protection, industrial sensor circuit protection.
Metal hose needs to be pressure test, pressure test, also known as strength test, performance test are safe. The test pressure of 1.5 times the nominal pressure, test pressure medium is pure water, the chloride ion content should not exceed 25ppm. When the pressure test, each product must be carried out. Using a manual or electric pump pressure test, pressure test typically 1.5 to 4 times the available pressure range test gauge, or equivalent efficacy stress testing equipment, the test, the specimen tube is placed flat, one end of the mounting strap There exhaust valve plug, the other end and test pump outlet pipe connected to the water into the tube, discharged into the air, the exhaust valve closed, and then slowly increase the pressure to the required test pressure, keeping the pressure 5min, check style situation, leaks. Corruption and other forms of abnormal failure occurs. Qualified requirements do not allow leaks or signs of damage, such as failure modes appear abnormal. Qualified requirements do not allow leakage or bad signs and other forms of abnormal failure occurs.
Pressure hose as a flexible metal tube attached to the pressure liquid delivery system, to compensate for mutual displacement pipe or machine, the device connecting terminal, to absorb vibration energy, can play a vibration, noise and other effects, have good flexibility, light weight, corrosion resistance, fatigue resistance, high temperature and many other little. The Company stainless steel metal hose (bellows) Division production of stainless steel metal hose, metal hose, stainless steel flexible joints, the use of imported SUS304 (0Cr18Ni9) SUS316 (0Cr17Ni12Mo2) and SUS316L (00Cr17Ni14Mo2) material. One stainless steel wire braided hose, fluid delivery metal bellows, stainless steel pump even damping hose, stainless steel fire hose, stainless steel bellows, metal hose gas machinery in full compliance with national industry standards. Products with good flexibility, corrosion resistance, fatigue resistance, high temperature, noise damping, sealing strong, long life and other advantages. Widely used in textile, chemical, printing and dyeing, petroleum, chemical, steel, gas, air conditioning, automotive, fire, urban water supply, construction, metallurgy and petrochemical.
Metal hose is extremely thin-walled seamless or welded stainless steel tube through the public high precision plastic processing forming. Because of the elastic properties of the bellows profile determines the hose has good flexibility and fatigue resistance, making it very easy to absorb deformation of cyclic loading various sports, especially the ability to compensate for the large amount of displacement in the piping system. Corrugated metal hose pipe in two forms: one is a ring of metal hose, metal hose spiral one is.Metal hose nominal diameter range of DN6-1000mm, length optional. Our company is a bellows, metal hose, non-metallic compensation, soft rubber joints, sleeve compensator, a professional manufacturer of waterproof casing, is a large manufacturing base and backbone enterprises of similar products. End of the tube flange and carbon copper and other accessories, including the use of low-carbon steel welding parts. You can also use the user's requirements and conditions of stainless steel and low-alloy structural steels.Rational design and pipeline segments, each segment is determined using bellows expansion joints in the form and quantity. Determine the working pressure rating to calculate the amount of compensation required for each segment of the pipeline, to determine the nominal amount of compensation for each bellows expansion joint bellows expansion joints selection model based on diameter, pressure rating and compensation amount.

Hydraulic hose assembly is commonly used in the hydraulic system an auxiliary device

Features Uses: High pressure hydraulic hose assembly is normally provided by a liquid-resistant synthetic rubber inner layer, middle layer, Ⅰ to Ⅵ layer of steel wire braid reinforcement, and weather-resistant with excellent performance synthetic rubber cover. Mainly used in hydraulic hose assembly support mine, oil field exploitation, suitable for construction, lifting and transport, metallurgy, forging, mining equipment,hydraulic hose assembly , injection molding machinery, agricultural machinery, machine tools and various industrial sectors mechanization and automation in the hydraulic system has a certain pressure and temperature of petroleum (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) liquid, water-based liquids (such as emulsion, oil-water emulsion, water), gas and liquid transmission and other fields. Hose assembly, connector means to provide full hydraulic hose fittings and supply solutions for the specified operating conditions. Including hose (or hard pipe), seals, connecting accessories (such as fittings, flanges, etc.). Factors affecting the use of a lot of hose assembly, only in accordance with the conditions and the correct selection of hose fittings, hose in order to ensure that the use of reliability and economy.Hydraulic hose assembly is commonly used in the hydraulic system an auxiliary device. Hose (hose) assembly is an auxiliary hydraulic system commonly used.

Tube clamp

The tube is clamped to the rail, rail welding in the foundation, or fixed by screws, will then guide nut into the rail, and a 90 degree turn, the lower half of the pipe tube clamp body embedded nut, put on to put fixed pipe, the upper half of a pipe clamp body and a cover plate, fixed by screws.
Pipe split flange clamps application: light series of ordinary mechanical pressure pipe pipe clamp used in the 6 dimension series, pipe diameter 6-57mm.
The double series pipe clamp used in 5 kinds of size series of mechanical pressure pipe, the pipe diameter 6-42mm.
Heavy series high pressure pipe pipe clamp used in the 8 dimension series, pipe diameter 8-273mm.
Pipe clamp material properties: density, bending strength, impact toughness, compression strength, elastic modulus, tensile strength, temperature resistance.

Structural classification of fast joint

Both ends of the opening and closing
Do not link: when the mother's ring moved to the other end, stainless stainless steel hydraulic fittings bead automatic roll out, the operation force sub body due to maternal and child body together the valve spring force the valve closed and disconnected, their progeny and parent, instant block fluid flow. Link: when body is inserted into the population, ring back to the original position under the action of a spring, a steel ball rolling lock sub body tightly connected, and parent and progeny promote each other and open the valve, fluid flow, the O ring can completely block the leakage of fluid.
With two open ends
Do not link: when the mother's ring is pushed to the other end, the steel ball automatic roll out, therefore, the sub body is removed; because the child body and parent are no valves, fluid flowing outward. Link: when body is inserted into the maternal, force the spring ring is pushed to the previous location to the steel ball lock, fluid flow, the O type ring to prevent liquid leakage
Single channel opening and closing
Do not link: when the mother's ring moved to the other end, stainless steel metal hydraulic hose adapters automatic roll out, progeny is the valve spring counterforce spring open, the valve can automatically close to block fluid flow. Link: when body is inserted into the maternal side ring, the valve is opened lead to fluid flow, the washer is the force of the spring back to the original position, stainless steel beads will lock to ensure that the child / parent connection, the inside of the washer can completely block the leakage of fluid.

Range hydraulic flanges flange joint very broad

Range hydraulic flanges flange joint very broad, flange rubber fittings, flanges expansion joints, flanges dowel joints, flange hose fittings and other collectively referred to as flange joints, flange joints called to say its connection by flange connections, there are a variety of materials. Advantages Hydraulic flanges are: small size, light weight, good flexibility, easy installation and maintenance, can hydraulic flanges lateral, axial, angular displacement, from the pipes of different heart, not parallel flange installation restrictions, can reduce the structural work pass noise, strong vibration absorption capability. Advantages flange hydraulic flange fittings joints is: when the outside temperature changes, the tube allows free expansion pipeline capacity within telescopic range, locking telescopic amount, to ensure safe operation of the pipeline. Transmission Joint Flange advantage is: can effectively compensate and mitigate pipeline and Blind thrust, but also easy to pump hose connector flange advantage is: has good flexibility and fatigue resistance, making it very easy to absorb various sports deformation cyclic loading, especially the ability to compensate for the large amount of displacement in the piping system.

Hydraulic hose assembly is commonly used in the hydraulic system an auxiliary device

 Features Uses: High pressure hydraulic hose assembly is normally provided by a liquid-resistant synthetic rubber inner layer, middle layer, Ⅰ to Ⅵ layer of steel wire braid reinforcement, and weather-resistant with excellent performance synthetic rubber cover. Mainly used in hydraulic hose assembly support mine, oil field exploitation, suitable for construction, lifting and transport, metallurgy, forging, mining equipment, hydraulic hose assembly , injection molding machinery, agricultural machinery, machine tools and various industrial sectors mechanization and automation in the hydraulic system has a certain pressure and temperature of petroleum (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) liquid, water-based liquids (such as emulsion, oil-water emulsion, water), gas and liquid transmission and other fields. Hose assembly, connector means to provide full Hydraulic hose fittings and supply solutions for the specified operating conditions. Including hose (or hard pipe), seals, connecting accessories (such as fittings, flanges, etc.). Factors affecting the use of a lot of hose assembly, only in accordance with the conditions and the correct selection of hose fittings, hose in order to ensure that the use of reliability and economy.Hydraulic hose assembly is commonly used in the hydraulic system an auxiliary device. Hose (hose) assembly is an auxiliary hydraulic system commonly used.

Hydraulic ferrules cold deformation, flaring, flattening no cracks

Hydraulic ferrules is one of the three parts of the card sets of pipe joints (ferrules, nuts, seamless steel pipe) composed. Hydraulic ferrules working principle is the seamless steel insert card kit, ferrule nut using inconsistent card sets, card kit seamless steel blade evenly cut, form an effective seal. Hydraulic ferrules type straight pipe hydraulic flanges  are widely used in oil refining, chemical, oil, gas, food, pharmaceutical, and other instruments. Hydraulic ferrules high accuracy, good finish, inside and outside the walls of the heat pipe no oxide layer, the hydraulic hose assembly wall of cleanliness is good, pipe withstand high pressure. Hydraulic ferrules cold deformation, flaring, flattening no cracks, deformation and can make a variety of complex mechanical processing. Hydraulic ferrules joints inside and outside the installation need to take over the interface and connection fittings are handling clean. Be sure to take over the mouth of the polished smooth surface can not have glitches and uneven surfaces.

Hydraulic ferrules installation

Hydraulic ferrules card sets is one of the three parts of the card sets of pipe joints (ferrules, nuts, seamless steel pipe) composed. Working principle is the seamless steel pipe inserted into the card kit, ferrule nut using inconsistent card sets, card kit seamless steel blade evenly cut, form an effective seal. Card sets straight pipe fittings are widely used in oil refining, chemical, oil, gas, food, pharmaceutical, and other instruments. Main features: high accuracy, good finish, inside and outside the walls of the heat pipe no oxide layer, the inner wall of cleanliness is good, pipe withstand high pressure, cold deformation, flaring, flattening no cracks, deformation and can hydraulic fitting manufacturers  a variety of complex machining process . Pipe color: light gray with white sleeve type connector installation methods: Saw a suitable length of seamless steel pipe, removing burrs at the port. Perpendicular to the axis of the pipe end, angle tolerance is not greater than Hydraulic  ferrules . If you need to bend the tube, from the end face of the tube to bend parts of the line segment length can not be less than three times the length of the nut. The nut and condoms on the seamless steel tubes. Note the direction of the nut and ferrules, not installed backwards. In the pre-assembled connector body Lubricate threads and put the card, insert the tube fitting body (tube must be inserted in the end) Tighten the nuts by hand. Fittings installation instructions: When installing fittings need to take over the interface with internal and external fittings are connected to handle clean, take over the mouth must be polished smooth surface can not have glitches and uneven surfaces. And take over the site and fittings embedded bending phenomenon should not have, or will cause the connection fittings and steel pipe leakage phenomenon. Pipe fittings at both ends of the connection tube best uniform material, which can effectively prevent leakage.

Hydraulic hose assembly features use

Hydraulic hose assembly is commonly used in the hydraulic system an auxiliary device. Hose (hose) assembly is an auxiliary hydraulic system commonly used. It is fitting to withhold from the high-pressure steel wire braided or twisted hose and steel made ​​by special equipment, hydraulic system used to connect various types of hydraulic components, mainly used at operating temperature -40 ℃ to + 100 ℃ conditions, the hydraulic power transmission or delivery of water, gas, oil pressure medium, in order to ensure circulation of the liquid and transfer the liquid energy. Features Uses: High hydraulic hose assembly  hose assembly is normally provided by a liquid-resistant synthetic rubber inner layer, middle layer, Ⅰ to Ⅵ layer of steel wire braid reinforcement, and weather-resistant with excellent performance synthetic hydraulic hose assemblies  cover. Mainly used in hydraulic support mine, oil field exploitation, suitable for construction, lifting and transport, metallurgy, forging, mining equipment, ships, injection molding machinery, agricultural machinery, machine tools and various industrial Hydraulic pipe fittings  mechanization and automation in the hydraulic system has a certain pressure and temperature of petroleum (such as mineral oil, soluble oil, hydraulic oil, fuel oil, lubricating oil) liquid, water-based liquids (such as emulsion, oil-water emulsion, water), gas and liquid transmission and other fields. Hose assembly, connector means to provide full technical and supply solutions for the specified operating conditions. Including hose (or hard pipe), seals, connecting accessories (such as fittings, flanges, etc.). Factors affecting the use of a lot of hose assembly, only in accordance with the conditions and the correct selection of hose fittings, hose in order to ensure that the use of reliability and economy.

Hydraulic ferrules installation methods and working principle

  Hydraulic ferrules Installation: Saw a suitable length of seamless steel tubes, removing burrs at the port. Tube end to the vertical axis. If you need to bend the tube, from the end face of the tube to bend parts of the line segment length can not be less than three times the length of the nut. The nut and condoms on the seamless steel tubes. Note the direction of the nut and Hydraulic  ferrules, not installed backwards. Hydraulic ferrules are card sets of pipe fittings including ferrules, nuts, one consisting of three parts of seamless steel tubes. Working principle is the seamless steel pipe inserted into the card kit, ferrule nut using inconsistent card sets, card kit seamless steel blade evenly cut, form an effective seal. Card sets straight pipe hydraulic hose fittings are widely used in oil refining, chemical, oil, gas, food, pharmaceutical, and other instruments. Hydraulic ferrules main features: high accuracy, good finish, inside and outside the walls of the heat pipe no oxide layer, the inner wall of cleanliness is good, pipe withstand high pressure, cold deformation, flaring, flattening no cracks, deformation and can make a variety of complex machinery processing. Pipe color: light gray with white.

hydraulic ferrules instructions and working principles

hydraulic ferrules installation instructions: When installing hydraulic ferrules need to take over the interface with internal and external hydraulic ferrules are connected to handle clean, take over the mouth must be polished smooth surface can not have glitches and uneven surfaces. And take over the site and hydraulic ferrules embedded bending phenomenon should not have, or will cause the connection hydraulic ferrules and steel pipe leakage phenomenon. Pipe hydraulic fittings at both ends of the connection tube best uniform material, which can effectively prevent leakage. After embedding steel hydraulic ferrules body began efforts to tighten Hydraulic  ferrules efforts should not be too large, should be gradual stop screwing the threaded sleeve or two-thirds of the tail, there is a wrench in the card sleeve fastening click. How it works: works by seamless steel insert card kit, using the card sleeve nut contradict card sets, card kit seamless steel blade evenly cut, form an effective seal.

hydraulic hose assembly hydraulic ferrules installation method

   hydraulic ferrules  is one of the three parts of the card sets of pipe joints (card sets, nuts, seamless steel pipe) composed. Working principle is the seamless steel pipe inserted into the card kit, hydraulic ferrules nut using inconsistent card sets, card kit seamless steel blade evenly cut, form an effective seal.
    Hydraulic  ferrules connectors installation method 1, under the appropriate length of seamless steel saws, removing burrs at the port. Tube end to the vertical axis. If you need to bend the tube, from the end face of the tube to bend parts of the line segment length can not be less than three times the length of the nut. 2, put a condom on a nut and hydraulic flange  steel pipe. Note the direction of the nut and hydraulic ferrules, not installed backwards. 3, in the pre-assembled connector body threads and put the card Lubricate the tube into the connector body, (the tube must be inserted in the end) Tighten the nuts by hand. 4, tighten the nut until the sleeve stuck pipe, this turning point tightening torque can be increased by feel (pressure points). 5, after reaching the pressure points, and then tighten the compression nut half circle. 6, the pre-assembled connector body removed, embedded Check card sets blade edges, protrusions visible space must be filled with hydraulic ferrules end face. Card sets can be slightly rotated, but not hydraulic fittings  passage. 7, the final installation, threaded greased the actual installation of the connector body, the compression nut screwed to the increase associated with the tightening force can be felt far. Then tighten  laps installed. Fittings installation instructions Inside and outside to take over the interface when installing fittings need to connect with the fittings are handled clean, take over the mouth must be polished smooth surface can not have glitches and uneven surfaces. And take over the site and fittings embedded bending phenomenon should not have, or will cause the connection fittings and steel pipe leakage phenomenon. Pipe fittings at both ends of the connection tube best uniform material, which can effectively prevent leakage. After embedding steel fittings body began efforts to tighten hydraulic ferrules efforts should not be too large, should be gradual stop screwing the threaded sleeve or two-thirds of the tail, there is a wrench in the card sleeve fastening click.

hydraulic hose assembly connection

When Hydraulic ferrules connection, pipe fittings at both ends of the connection tube best uniform material, which can effectively prevent leakage. After embedding steel hydraulic hose assembly body began efforts to tighten ferrule efforts should not be too large. hydraulic hose assembly Including pipes and pipe fittings, selection principles are: to ensure that the oil for laminar flow tube, pipe as short as possible to reduce the pressure loss; pipes and connections to determine the structure according to the working pressure, the installation location to ensure that the pipes and fittings have sufficient strength, good seal; hydraulic hose assembly and pumps, valves and other connections shall determine its interface size diameter; easy assembly and disassembly. split flange clamps to make the Hydraulic hose fittings and valve interconnected parts, connected to the pipe end. There are holes on the flange bolts so that the two flanges tightly connected. Between the flange sealing gasket. Flange points threaded connection (wire connection) flanges and welding flanges and flanged sleeve. split flange clamps is to connect two pipes, fittings or equipment, to their fixed on a flange between two flanges, plus flange gasket, bolted together to complete the connection. Some hydraulic flanges and equipment already comes with hydraulic flanges , also belong to the flange connection. Flanged connections are important pipeline construction. Flanged easy to use, able to withstand greater pressure. In industrial pipe using hydraulic flanges connection is very extensive. Within the family, the pipe diameter is small, but low pressure, invisible hydraulic flanges  connection. If a boiler room or the production site, everywhere flanged pipes and equipment. Often require a high temperature planar hydraulic flanges  temperature sealing member, if the sealant is not a good seal in a separate additional pressure region the influence of pressure, can cause inaccuracies in the production or deformed, which means that the pressure in a separate pressure zone under leakage, thus requiring unscheduled repair.

hydraulic hose assembly Installation

When we conduct bite type fittings installed, the best is to use large-caliber type of connector. Meanwhile, in order to more effectively carry out the installation and in order to effectively reduce the number of factors that we have the labor hydraulic hose fitting . When performing the installation, we first of all is to bite type fittings in the water or the location of the pump outlet opening and stop treatment, the purpose of doing so is to effectively reduce the bite type fittings due to tension or compression caused by impact. Rotary joint in the hydraulic hose couplings and storage process should avoid collision and fall, so as not to damage the interface and internal parts. Installed concentric as possible to ensure the good functioning of the rotary joint. Rotary joint threaded connection during the installation, you should pay attention to the inner and outer tubes are threaded to the direction of rotation of the drum corresponds to the inner and outer tube. No tools are able to achieve a pipeline connected or disconnected joints. Mainly used for air piping, pneumatic tool accessories. There are hydraulic fittings manufacturers  and varied body of material, size and installation of various shapes. Hydraulic hydraulic hose assembly is in addition to the power source, a control section, the application of elements outside the executive body of the hydraulic system, the other part. For example, filters, air-cooled, liquid level gauge, thermometer and more. Commonly used in the press; engineering machinery, dump truck, etc.