Hydraulic hose fittings SAE DN12

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Material: Carbon steel, alloy steel, stainless steel, aluminum alloy and brass.

JIC, SAE, DIN, BSP, JIS and ISO standards

Products:high pressure hose, pipe and tube fittings, flange adapters, straight fittings, tee fittings, cross fittings and various adapters

Q: What do you mean by "DN" on hydraulic hose?: Hydraulic hose is mainly composed of liquid synthetic rubber, inner rubber layer, middle rubber layer, multi-layer reinforced layer and weather resistant synthetic rubber outer layer. The utility model is mainly used for hydraulic support and oil field development of a mine, and is suitable for engineering, construction, hoisting, transportation and automation hydraulic system to transport medium and water base fluid with certain pressure and temperature.

Q: The small hose attached to the grease gun is coarse or fine at the joint: For sealing, according to the maze principle, the smaller the pitch, the number of threads, that is, the more layers, the better the sealing effect, not easy to leak oil, significantly better than the rental thread.

Q: The engine cylinder head cover behind the drop rubber tube what reason (Xichai 490 engine) (note the valve chamber cover tube): The valve chamber of the engine cylinder head cover counterclockwise with 8~10 open wrench counterclockwise unscrew rocker screw. Place the piston at the top dead center, turn the rocker head wire clockwise until the hand can not be moved, then back half a circle, then lock the nut.

Q: My company does high-quality rubber tube, all of the core method, and why use EPDM to do the inner tube, it is difficult to take off the core, please point out! What's the reason?: The core needs to be removed, and if it is too long, the mandrel can be divided into two sections and separated from the 2 sides

Q: What kind of material is medical rubber tube?: Silicone rubber, of course, is environmentally friendly, non-toxic, harmless, such as high-pressure sealing ring in the pot. First of all, to the human body non-toxic first.

Q: Classification of metal hoses: Bellows in the United States known as "" (Corrugated Tube) or bellows (Corrugated Box), in Europe, commonly known as "metal bag" (German Metallbulgen, British Metal Bellows). This name comes from the old manual hand operated air sac, which is commonly known as "tiger skin" in our country".

Q: Petroleum gas has a corrosive effect on ordinary rubber pipes and is easy to cause air leakage. So, what kind of hose must be used?: These gases on the rubber has a certain corrosion, swelling (not resistant to oil will speed up swelling), aging effect, liquefied petroleum, so choose rubber seal to consider oil resistance, corrosion resistance, swelling.

Q: The use of anti slip rubber joints under what circumstances?: Flexible rubber joint is normal for medium temperature water at 0-60 DEG C, such as special medium: oil, acid, high temperature and corrosion resistance and other hard conditions, should use special refractory material rubber joints should be relatively, not blindly on or in general.

Q: What's the difference between a vulcanized rubber tube and an intake manifold?: Air intake pipe is the air from the air inlet, through the air filter, until the individual cylinder into the front of this section of the pipeline, is the main intake line of the engine, but also the total intake line.

Q: Laboratory condensate water pipe must use rubber tube, shall not use latex tube reasons: Hydraulic test verification pressure test: Test hose and assembly under verification pressure, continue 30s-60s, whether to produce leakage, deformation and damage. Compression deformation test: keep 1 minutes under the specified pressure (work pressure, verification pressure or other pressure below the proof pressure), measure the length and diameter of the hose, twist angle and bend. Bursting pressure test: Determination of the pressure at which the hose burst during the specified step-up rate.

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