4''- 8'' High Pressure Rubber Oil Hose/Tube for Sea Dredging

Specifications discharge rubber hose 
Wire braided flexible rubber hose pipe 
Lifespan more than 50 years 
Non-toxic,dose not scale 4''- 8'' High Pressure Rubber Oil Hose/Tube for Sea Dredging    Rubber Hose Pipe Applications:
1. Used for mud piping of dredge.
2. Widely used for sucking or discharging of mud,water, oil, air, and  Powered in Industry, agriculture, factory, mining and building etc.
Rubber Hose Pipe Materials:
Tube: Smooth NR/ synthetic rubber, generally color is black 
Reinforcement: one or multilayer spiral fabric reinforcements, steel wire spiral layer,
Cover: Oil, abration and weather-resistant wrapped synthetic rubber.
 
dredging rubber Hose Pipe Structure:
1. The inner rubber liner is composed of wear-proof natural rubber and synthetic rubber
2. The reinforcement layer is composed of high strength rubber dipped chemical fiber and reinforced by spiral metal wire.
3. The rubber cover is composed of natural rubber and synthetic rubber.
4. The surface of the hose takes the shape of corrugated
 
Performance:
1. Rubber hose pipes are used with dredgers for silt/gravels conveyance.
2. Pipe wall thickness range: from 20mm up to 50mm.
3. The suitable working temperature: from -20°C to +50°C.
4. Abrasion-resistant and bending –resistant.
5. It is convenient to install, flexible to use and safe.    Suction Hose Pipe Specification Table

Ship type	Dredging hose I.D.	Thickness of the steel ring	Number of tyre cord layer	Length
200m3 /H	400mm	35mm	12	1400mm
350m3/H	560 mm	35 mm	12	1500mm
Beaver1600	500 mm	35mm	12	1500mm
Beaver3800	650 mm	40mm	15	1500mm
Beaver4600	700 mm	40mm	15	1500mm

Note: other size can be customized  
Hose Pipe Physical Index:    

Testing Item	National Standard of Hose Lining	Standard of the Company
Tensile Strength at Break (MPa)	>12	>150
Elongation at Break %	>400	>500
Akron Abrasion  cm3/1.6km	1	<0.8
Shore Hardness		63±3
Application Temperature  °C		-40~+60

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