Wire Spiral Hydraulic Hose EN856/DIN 20023 4SP

Wire Spiral Hydraulic Hose EN856/DIN 20023 4SP System 1

Wire Spiral Hydraulic Hose EN856/DIN 20023 4SP

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Wire Spiral Hydraulic Hose EN856/DIN 20023 4SP

Applications: It is suitable for petroleum base hydraulic oil with temperature range from -40°C to 100°C (-40°F~+212°F).

Features: It is composed of one internal oilproof synthetic rubber layer, four wire braided layers and one external oilproof and weatherproof synthetic rubber layer. It complies with EN856-4SP, GB/T10544-2003.

National Diameter		I.D	Reinforcement Diameter	O.D	W.P		Proof Pressure	B.P	Bend Radius	Weight
inch	mm	mm	mm	mm	Bar	Psi	Bar	Bar	mm	Kgs/m
3/8	10	9.3-10.1	17.4-18.2	21.2-22.0	445	6453	1070	1780	180	0.78
1/2	12	12.3-13.5	20.3-21.1	24.2-25.0	415	6018	1020	1700	230	0.93
5/8	16	15.5-16.7	23.8-24.6	27.7-28.5	350	5075	840	1400	250	1.17
3/4	19	18.6-19.8	28.3-29.1	32.2-33.0	350	5075	840	1400	300	1.48
1	25	25.0-26.4	35.4-36.2	39.2-40.0	280	4060	765	1280	340	2.02
1-1/4	31	31.4-33.0	45.1-45.9	50.2-51.0	210	3045	500	840	460	3.05
1-1/2	38	37.7-39.3	51.6-52.4	56.7-57.5	185	2683	445	740	560	3.52
2	51	50.4-52.0	64.6-65.4	70.7-71.5	165	2393	400	660	660	5.2

Q: How to prevent leakage of rubber joint check valve?: Through the internal and external pressure difference to achieve, without any power or manpower, and therefore to prevent backward flow is the best choice.

Q: Diameter 127mm steel pipe, and diameter 127mm rubber hose how to connect?: According to GB1187, the rubber tube with an inner diameter of 127 has the maximum working pressure of 0.7MPa. The internal diameter tolerance is 2, and the outer diameter of the steel pipe is 127. If the purchase is appropriate, it should be sheathed, but the pipe factory is always taking negative tolerances.

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: What is the essential difference between natural rubber and three yuan ethylene propylene rubber?: The strength of natural rubber in the elastic material, natural rubber, rubber, rubber, vulcanized rubber with higher intensity. The tensile strength of uncured rubber is called Green strength, and the Green strength of natural rubber is up to 1.4~2.5Mpa. The proper Green strength is necessary for rubber processing and forming. The tear strength of natural rubber is also higher, up to 98kN/m, and its abrasion resistance is better. The reason for the high mechanical strength of natural rubber is that it is self reinforcing rubber. When stretched, the macromolecule chains tend to form crystals in the direction of stress.

Q: What's the cause of a default like a general rubber product?: Rubber aging is a common problem of rubber products, and aging is mainly due to internal structure or component is easy to aging due to weakness, such as unsaturated double bond, branched, carbonyl, hydroxyl and so on; at the end, the main external or environmental factors are sunlight, oxygen, ozone, heat, water and mechanical stress force, high energy radiation, electricity, industrial gas, water, salt fog, fungi, bacteria, insects etc..

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: What material is the rubber joint used in the desulfurization pipeline? What's the difference?: If you choose the ordinary material or other special materials, it will inevitably be broken. Because of the different materials of rubber joints, the application environment is different.

Q: Do you need a hose connection to connect the ventilation pipe to the exhaust fan? Under what circumstances? Under what circumstances?: The exhaust fan running noise and vibration is relatively large, the wind pipe made of sheet iron, the thin wall affected by the fan vibration will produce two times the noise, so the general air pipe to both sides of fan and soft joints, if no one in the floor or the condition of small diameter pipeline can not be added.

Q: Is rubber tube harmful to drinking water?: If it is a constant water, okayIf you are in the tube for a period of time, it is best to put on the water, then, after all, rubber is not a food container, some of the inside material will gradually dissolved

Q: Difference and application of rubber joint and rubber expansion joint: Rubber expansion joint is also called rubber joint, flexible rubber joints, rubber soft connection, soft joints, rubber expansion joint is formed by high temperature plastic rubber, rubber expansion joint and makes full use of the characteristics of rubber elasticity, high resistance, medium resistance etc..

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