Hydraulic hose fittings ISO DN12

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PART NO.	HOSE BORE		DIMENSIONS
	DN	DASH	L
00400-04	6	4	37.5
00400-06	10	6	39
00400-08	12	8	41
00400-10	16	10	43
00400-12	20	12	51
00400-16	25	16	61.5
00400-20	32	20	67.5
00400-24	40	24	75
00400-32	50	32	79

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 is the principle of communicating devices? What if the rubber tube is used as a connecting device to change the water for the fish?: The principle of communicating devices can be explained by liquid pressure. If the same liquid is contained in a U glass tube, a small liquid AB is conceived at the center of the bottom of the communicating device. If the liquid is stationary, it does not flow. The pressure of the liquid in the left tube toward the right side of the liquid AB must be equal to the pressure of the liquid in the right tube toward the left of the liquid AB. Because in the communicating vessel is filled with a liquid, the same two liquid column density, according to the formula of P= P GH liquid pressure that only when both sides is equal to the height of liquid column, the liquid column is equal to the pressure on both sides of the liquid film AB. Therefore, in the case of no flow of liquid, the liquid level in each vessel of the communicating device shall be kept flat. (ideal model method) the connecting device is characterized in that the liquid level in each container is flat only when the same liquid is contained in the container. If the container is tilted, the liquid in each container is about to begin to flow. One end of the liquid column flows to the lower end of the liquid column and stops flowing until the liquid level in each container is normal. As with rubber tube two glass tubes connected together in container with a liquid, which will be a fixed tube, the other tube up and down or tilt, can see the two tube level in stationary phase remained flat. The connecting device is provided with the same liquid, but the pressure on the liquid surface is unequal, and the pressure difference of the liquid surface is equal to the pressure difference produced by the liquid level difference of the two container of the communicating device.

Q:What is negative pressure rubber shock proof joint? Is vacuum piping available?: Negative pressure resistant rubber shock joint is simple product requirements than the general negative pressure resistant rubber joint rubber joint is much higher, simply can't stand the pressure, for example the pipe diameter is 0.1kg pressure, rubber tube will suck flat, so with the outward pressure pipeline is completely different, negative pressure, diameter must be increase the pressure guide tube, negative pressure diversion tube also is what we usually say is a carbon steel pipe in the shock absorber rubber hose diameter, but joint diameter than the original diameter, the pressure guide tube, shock absorber rubber hose will not be sucked flat, so that the original vibration isolation and shock proof box the expansion effect is not affected, only the affected joint is slightly smaller diameter.

Q:Why should the high pressure hydraulic tube peel off the outer skin?: Reasons for stripping:1, the inner diameter of the sleeve is a standard series, and a little rubber hose is not suitable for sizing.2, after stripping, the sleeve can be directly pressed on the steel wire layer, the connection is reliable, and it is not easy to pull out.

Q:How can we prevent the aging of rubber tubes?: The second is the design of the structure of the rubber products (especially damping products), has a great relationship between aging and fatigue, should avoid stress concentration! If the product is good has been produced to prevent aging, more trouble! Can be sprayed on the rubber surface, spraying insulation polymer.

Q:What is the function between the rubber pipe joint and the installing pipe?: The inner seamless seamless rubber joint prevents the corrosive medium from eroding the inner wall of the rubber joint and improves the service life in the high temperature resistant, acid resistant and oil resistant pipes.

Q:Can the natural gas hose not exceed 1.5 meters or 2 meters?: If the gas is longer, to Caution! Protective tube wall, as far as possible, to prevent accidental damage risk of gas pipe.

Q:Can the spring hose joint be connected to the tap?: You don't know what is the use of the material pipe, generally divided into PB and PPR, two kinds of pipe welding temperature requirements are not the same, so don't listen to others with the same welding machine can speech, it is extremely irresponsible.

Q:How can I keep the rubber tube for stethoscope?: I don't think this question should be considered purely from the point of view of sound transmission.

Q:What about leakage of hose joint?: First, the water source is cut off, then the male and female nuts which are connected with the compression joint are removed, and a plurality of threads are screwed on the thread to seal the rubberized fabric, and then the connector is re assembled.

Q:What are the types of metal hose couplings?: DGJ jointStructure and characteristics:DGJ self fixing metal hose joint, it can connect non threaded steel pipe or screw free equipment outlet and hose, and save the thread setting process;The metal joint is made of zinc alloy. The surface is zinc plated, sanded or chrome plated. The structure is compact and the strength is high. The steel pipe and the metal hose are connected reliably, and the appearance is beautiful;The metal joint is self - fixing and is used to connect the metal hose to the non - threaded steel pipe or the screw - free equipment outlet;Suitable metal hose: JS, JSH, JSB, JSHG;Adaptation: steel thin steel wire pipe, black, tin pipe (water, gas);When choosing the DGJ self fixing metal hose joint, please pay attention to the specification and size of the connecting pipe hose.

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