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

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Q:How can the rubber tube be used properly and how to use it properly?
Hose selection and installation caused by improper hose rupture. When replacing the hose, the hose wire length, number, shape and size of the joint should be reasonable, and should try to reduce the degree of bending in the hose; tighten union nut, do not make the hose distorted, excessive bending and twisting will reduce the service life of the hose greatly; some easily friction parts should take protective measures to prevent the hose due to wear and burst.
Q:What is the function of the rubber pipe joint and the installation 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:How to remove the smell of gasoline in the car?
Carbon tank rubber pipeline aging - carbon tank to the throttle valve is connected between the rubber line, once the aging of the possibility of leakage occurs, resulting in gasoline filled with gasoline.Measures: regular inspection, timely replacement of aging rubber tube
Q:Excuse me: how can a pen with a rubber tube attract more ink?
If this can not be solved, you can suck a part of the pen out, inverted (NIB upward), gently knock, so that ink into the hose, and then continue to suck ink, repeatedly, so that the pen "drink" full".
Q:How to install the water hose and do you use the tape? Or direct installation?
The pipeline key fixed: if it is not fixed, at the disengaged joint under the action of water pressure, or joint fixed point is the best, because only the most effective joint will be fixed, hard tube and building reliable fixed connection, can guarantee the normal use of the time to extend the hose.
Q:How far is the gas cooker from the gas riser in the kitchen?
Rubber pipes shall not be worn through the chamber and should be checked regularly. It is found that aging and damage should be replaced in a timely manner (rubber tubes shall be used for a period of not more than 18 months).
Q:What are the types of hose connectors?
In general, we'll sort it out first.It is divided into A/, B/, C/, D/, F/, G/, H/, K/A/ flat sealing type,Type B/ is a jacketed joint that matches the 24 degree C type,C/ points 24.60. and 74 degrees, and in turn with 24 degrees g, type and 74 degree g match,D/ is a spherical sealed typeF/ is a disc type jointG/ divided into 3 kinds, namely 24, 60, and 74 degrees, and the same degree of C matching seal,The H/ machined a sealing groove in the cone of 24 degrees g,K/ a quick change connector, it goes nuts, adopts the sealing method, the piston type to facilitate the replacement of Yucca Shaw, commonly used in coal mine which is commonly used to.
Q:What's the detailed size of hose connection for shower?
Hot and cold bath: take a bath with hot water before going to bed every day. The temperature of the water is within the limits of the body's tolerance. After washing, sleep in hot water for 15 minutes. After bathing was out of a sweat, after 3~4 minutes, and then into a basin of cold water or cold shower. Note that the hot and cold bath must be "hot before cold."".
Q:What are the types of metal hose couplings?
DPJ external threaded end metal hose joint is an extension of JB/GQ 0552, /83, D95-5 metal joint;The metal joint is made of zinc alloy. The surface is zinc plated, frosted or chrome plated. The structure is close, without porosity and high strength. The metal hose is connected reliably and has beautiful appearance;The metal joint is an end connection and a linear connection for connecting the metal hose to the case;Suitable metal hose: JS, JSH, JSB, JSHG;It is recommended to use an inch metal hose joint or a metric thread metal joint;Can be customized a variety of non-standard metal hose joints, special metal joints.
Q:Difference and application of rubber joint and rubber expansion joint
Because the material of rubber expansion joint is higher than the price of ordinary rubber, the price of rubber expansion joint is naturally higher than that of our common rubber joint. The so-called "one point price", "goods", the user in the choice of rubber expansion Festival at the same time, must be based on the use of media to select materials. High quality rubber expansion joints are usually made of butadiene styrene rubber, while SBR is the earliest synthetic rubber. Because it is developed with reference to natural rubber.

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