• SAE 100 R7/EN856 R7  DN8 System 1
SAE 100 R7/EN856 R7  DN8

SAE 100 R7/EN856 R7 DN8

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DNHose I.DHose O.DWorking PressureBurst PressureMinimum Bend RadiusWeightLength
inchmmmmMPaPsiMPaPsimmkg/mmetres
31/83.38.517.2250068.910000130.03720~100
53/164.810.820.7300082.712000200.06820~100
61/46.413.020.7300082.712000330.08520~100
85/167.915.117.2250068.910000460.10320~100
103/89.517.015.5225062.19000510.14120~100
131/212.720.713.8200055.28000760.21020~100
193/419.027.18.6125034.550001270.28720~100
25125.4346.9100027.640002030.54220~100

Q: Why can the air conditioning connection be made of copper tube? How about rubber tube and aluminium pipe? Please heroes pointing for the dishes.
Rubber tube pressure tube not Yi Nai, welding pressure is relatively low.
Q: Latex tube, rubber tube, silicone tube, which three of the best tightness?
Ding Ji rubber: usually used as a silicone hose material used, in general, the sealing ability of silicone hose is better than the rubber hose. So, in life or in the industry need to seal the tube will take into account the silicone hose.
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: Can the rubber hose for the LPG cooker and gas cooker be general?
Whether the gas stove is the use of natural gas or liquefied gas, artificial gas, all can use the rubber tube, need to pay attention to is the pipe diameter and gas stove pipe diameter should be consistent, but also to the fixed ring frame with rubber tube, rubber tube is also too long existing problem of aging time, while the gas is there is a certain danger, recommend regular replacement of rubber tube
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: How do the rubber tubes fit into the galvanized pipe?
If the rubber tube is outside the galvanized pipe, when the rubber is ordered, the inside diameter shall be greater than the outer diameter of the galvanized pipe. If the rubber tube is inside the galvanized pipe, when the rubber is ordered, the outer diameter of the rubber pipe will be galvanized and the inner diameter of the galvanized pipe will be inside
Q: Classification of metal hoses
Corrugated metal hose (abbreviated bellow) is a kind of high quality flexible pipe in modern industrial pipeline. The utility model is mainly composed of a corrugated pipe, a net sleeve and a joint. The inner pipe of the utility model is a thin wall stainless steel corrugated pipe with a spiral shape or an annular waveform, and the mesh cover of the outer layer of the corrugated pipe is made of stainless steel wires or steel strips according to certain parameters. The joint or flange at the ends of the hose is matched to the connector or flange of the customer's pipe.
Q: Standard for implementation of type KXT-1 rubber joints
This product can reduce vibration and noise, and can be compensated by thermal expansion and cold contraction due to temperature changes. It is widely used in various piping systems. Rubber joint manufacturing standard CB-T 965-95 CJT208-2005 to take over the compensation rubber flexible rubber joint CJT 3013.1-1993 KST flexible rubber joint
Q: Why should liquefied petroleum gas use strong rubber hose and liner?
In order to remind people of the leakage of liquefied petroleum gas in a timely manner, the processing plant often mixes a small amount of foul odor mercaptan or thioether compounds into liquefied petroleum gas, which is the source of special odor.
Q: M40 and M50, and then the hose is 2 "what does the box connection mean?"
This should be called joints, hose connectors or joints or the traditional water tower.

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