SAE 100 R7/EN856 R7 DN16

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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:Can the copper tube of GREE air conditioner be changed into rubber tube?
Unless they are specially made for air, rubber tubes for general industrial and domestic use shall not be used for connecting air conditioners. Because the refrigerant to plastic and other polymer compounds will play "swelling" role, make it soft, expansion and foaming, will make plastic and other polymer materials more easily aging and decomposition. In addition, the refrigerant pipe is not suitable for the environment of high temperature, low temperature and high pressure, and plastic pipes can not be used.
Q:Hydraulic quick change joint (external thread) how to connect and seal with hose? Do you need a transition joint?
General hydraulic quick change joint is to withstand high pressure, so most of the situation is to use high pressure tubing, both ends of the pipe is to do the internal teeth, so it should be able to directly connect it.
Q:Are the bridges, bellows and rubber tubes drawn out or are they drawn only? And the bellows are tensioned with the steel strand?
It is relatively rare, usually corrugated pipe for zinc metal corrugated pipe, the construction unit may be in order to prevent pipe blockage, when pouring concrete, the corrugated pipe with rubber tube, after pouring completed final setting, you can pull out rubber tube. Bellows need not be drawn.
Q:What are the matters that should be paid attention to when installing rubber hose joint in water pump?
Installation notes: 1, Shanghai rubber pipe joint non super displacement limit at the time of installation; , 2 installation bolts to be symmetric, gradually tightening pressure, to prevent local leakage; 3, flat, suspended, vertical installation of rubber pipe joint, actual axial displacement pressure rubber tube joints should be smaller than the pipe support, otherwise should install anti pull off device to prevent work pressure; 4, rubber pipe joints should be away from heat, ozone, no strong radiation light. Exposure and use of media that do not meet the requirements of the product; 5, rubber pipe joint in the transportation, loading and unloading, installation, no sharp instruments across the surface of the sealing surface;
Q:Single ball chloroprene rubber flexible joint, Shanghai Song Jiang rubber ball joint manufacturer where?
It is divided into 3 kinds: flange type, fixed flange type and thread type by connection. The structure can be divided into 5 kinds: single sphere, double sphere, different diameter body, bent sphere and wind pressure coil.
Q:The selection of valves and fittings has the following requirements
The selection of hose inner screw thread joint can be rotated, because not hose and the joint body can rotate freely after buckling, configuration of internal thread after disassembly for hose.
Q:The rubber tube of the gas cooker is aging. It's leaking. Can you change it for yourself?
This brand has been doing for more than 20 years, you can go to the store to find, certainly some, safety first, trouble trouble point.
Q:The rubber is sheathed on a metal cylinder. How should they be connected?
With the combination of metal rubber is coated with adhesive before production and rubber vulcanization shaping, you can use this temporary experiment 502 geliahao for glue or adhesive, but the disadvantages of this thing with winter is not strong, the metal surface must be clean
Q:How can the tightness of rubber tube and metal pipe joint be ensured?
To see what kind of material hose, small 1MM~2MM, if the inner pressure then add hoop.
Q:Rubber tube in the production process need to wrap cloth, in order to finalize the design, I want to know what cloth is winding cloth, what is the specification, please god!
Polyamide (nylon) water cloth with high strength nylon filament as raw materials, the introduction of the Swiss high-speed shuttleless loom woven, has the characteristics of high density, fine texture, smooth surface, not deformation, surface sulfide even shrinkage, fracture strength, long service life, make good products and rubber skeleton material good adhesive effect the appearance of black, wove neat, shallow indentation.

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