Rubber Hose 1SN DN25

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The hose consists of an inner tube of oil resistant synthetic rubber,one wire braided reinforcement,and an oil and weather resistant synthetic rubber cover. Working temperature from -40°C up to+100°C.

Nominal		Inside	Braid	Outside	Working pressure		Test pressure	Burst pressure	Bend radius	Weight
mm	inch	mm	mm	mm	bar	psi	bar	bar	mm	kg/m
5	3/16	4.8	9.5	11.8	250	3625	600	1000	90	0.91
6	1/4	6.4	11.1	13.4	225	3265	540	900	100	0.21
8	5/16	7.9	12.7	15.0	215	3120	510	850	115	0.24
10	3/8	9.5	15.1	17.4	180	2610	430	720	125	0.33
12	1/2	12.7	18.3	20.6	160	2320	385	640	180	0.41
16	5/8	15.9	21.4	23.7	130	1885	310	520	200	0.45
19	3/4	19.0	25.4	27.7	105	1525	250	420	240	0.58
25	1	25.4	33.3	35.6	88	1275	210	350	300	0.88
31	1.1/4	31.8	40.5	43.5	63	915	150	250	420	1.23
38	1.1/2	38.1	46.8	50.0	50	725	120	200	500	1.51
51	2	50.8	60.2	64.0	40	580	96	160	630	1.97

Q: Acid burette and burette why different structure: A frosted glass knob with a Teflon plug instead of acid burette, the high price of some, but not afraid of corrosion lye, a general acid burette.

Q: The rubber tube of the gas cooker is aging. It's leaking. Can you change it for yourself?: You see what your gas range is, it is best to go with a metal hose, the province later by the mouse bite. My father is quite understand, our family's Hengtong metal hose was changed just the year before last, it's really much better

Q: What is the essential difference between silicone tube and rubber tube?: Silica gel tube has high and low temperature (-60 ~ 200 DEG C), environmental protection, non-toxic, excellent heat aging, ozone aging resistance, light aging and aging resistance, soft, arc resistance, corona resistance.Silicone hose is the biggest feature of resistance to temperature changes of -60 degrees to 250 degrees, but the cost is very expensive, no requirement for the hose. Compression resistant silicone hose resistant to pressure can also be.

Q: Natural gas can be connected to a gas cooker. Can rubber tube be used?: Yes, rubber hoses are required for selection of rubber hoses.

Q: Does rubber hose drink from tap water? Is it poisonous?: Galvanized steel pipe is divided into cold galvanized pipe, hot galvanized pipe, the former has been banned, and the latter is also advocated by the state for the moment, can be used. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries have also issued a civilization, from two, 000 years since the prohibition of galvanized pipe, the current New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe.

Q: How to detect the reliability of rubber hose: 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. Leak test: save 5min at 70% of the minimum blast pressure, and check again and again for leaks or damage. Due to the fact that water is often used in tests, the pressure and leakage pressure at normal temperatures may be slightly lower at normal temperatures.

Q: What's the rubber sleeve of the expander?: Expansion rubber flexible joint, installation of the flange sleeve telescopic device.

Q: What are the main differences between stainless steel flexible joint and rubber soft joint?: Stainless steel soft joint and rubber flexible joint are used as flexible components to absorb vibration and noise.

Q: How can the hose of natural gas be connected to the water heater?: One end is connected to the water heater, the other end is connected to the gas pipe, and the other end of the gas pipe needs to be equipped with three through. Are you installing it yourself? Why don't you find the man who installed the water heater to put you through? Suggest that you still find professionals to connect, so that relatively safe. Hope to be of help to you.

Q: Automotive applications of rubber hose: Each kind of rubber has its characteristic, therefore is specially important in the hose material selection. Basically the high-end cars use materials is relatively good, some poor materials using mini car, van, car and as some in the use of nitrile rubber as fuel tube, nitrile rubber are not suitable for fuel system. Thus, the substitution of epichlorohydrin rubber fluorine rubber hose is relatively extensive.

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