Wire Braid Air Hose to USA

Model NO.: various Capability: Heat-resistant Rubber Hose Levels: a Special Features: High Pressure Resistant Reinforcement: High Tensile Steel Wire Braided Surface: Smooth or Wrapped Quality Garentee: 12 Months Trademark: Jianfeng Specification: CE HS Code: 3901100001 Material: Natural Rubber Color: Black/White/Blue Wall Thickness: 10 Tube: Oil Resistant Synthetic Rubber Cover: Oil, Abrasion & Weather Resistant Synthetic Rubber Marking: Printed or Embossed Length: 20, 40, 50, 100 Meter Transport Package: Plastic Belt Origin: Hebei, China (Mainland) classification

High pressure hose in accordance with the production process is divided into high pressure steel wire braided hose and high pressure steel wire winding hose:


High pressure steel wire winding hose
 

Structure: mainly by the inner layer, middle layer, four or more layers of alternating winding steel wire reinforced layer and the outer layer. Within the layer with the transmission medium under pressure, steel wire protection from erosion and outer layer protection wire is not damaged, wire (phi 0.3-2.0 enhancement layer) layer is the skeleton materials from the enhanced role.

Uses: high pressure wire reinforced hydraulic oil pipe is mainly used for mine hydraulic support, oilfield development, suitable for in building engineering, lifting transport, metallurgy forging, mining equipment, ships, injection molding machinery, agricultural machinery, various types of machine tools and various industrial sectors mechanization, automation hydraulic system conveying with certain pressure (high pressure and temperature of oil base (such as mineral oil, soluble oil, hydraulic oil, fuel, lubricating oil) and water-based liquids (such as emulsion, oil and water emulsion, water) and liquid transmission, the highest working pressure resistance up to 70-120Mpa.

Operating temperature: -40 degrees to 120 degrees C Product specification range: DN6mm ~ DN305mm.

Category: 4SP type - four layer steel wire winding medium pressure hose. Type 4SH - four layers of steel wire wrapped high pressure hose. Type R12 - four layers of steel wire winding harsh conditions of high temperature and medium pressure pipe. Type R13 - Multi - layer steel wire winding high temperature and high pressure tubing under harsh conditions. Type R15 multi layer steel wire winding high temperature and high pressure oil pipe under harsh conditions.

High pressure steel wire braided hose
 

Structure: the main by liquid resistant synthetic rubber layer, layer, I, II, III layer steel wire braiding layer, weather resistant synthetic rubber adhesive composition. But according to the design principle of high pressure hose, III layer woven hose in hose pressure does not play any role, waste materials, increase the self weight of the hose, lower hose flexure. So, national standards were not the hose standard. Some enterprises of the old engineer continues to use the old standard, so in the design still people choose this type.

Uses: high pressure wire reinforced hydraulic oil pipe is mainly used for mine hydraulic support, oilfield development, suitable for in building engineering, lifting transport, metallurgy forging, mining equipment, ships, injection molding machinery, agricultural machinery, various types of machine tools and various industrial sectors mechanization, automation hydraulic system conveying with certain pressure and temperature of oil base (such as mineral oil, soluble oil, hydraulic oil, fuel, lubricating oil) and water-based liquids (such as emulsion, oil and water emulsion, water) and liquid transmission.

Operating temperature: oil -40 degrees C ~ 100 C, air -30 C ~ 50 C, water emulsion +80 C below. Specification range: DN5mm ~ DN102mm.

High pressure oil drilling hose

Structure: the inner rubber layer, inner rubber protection layer, middle rubber layer, steel wire winding layer and the outer layer.

Purpose: high pressure oil drilling hose used in oil field cementing, drilling and petroleum geological exploration, small drilling rig and hydraulic coal mining, transport slurry and normal temperature water and other fluid media.

High pressure hose application:High pressure hose coal industry,High pressure hose petroleum industry


High pressure hose coal industry

Coal industry with tubing main hydraulic hose. In recent years, some coal mine hydraulic support pressure requirements has increased, part of steel wire woven hose can not meet the performance requirements, the requirements to use wire winding pipe. In addition, in order to prevent the coal dust pollution in the process of coal mining and improve the production safety and increase the coal oil varieties, such as coal exploration seal hole device of telescopic tubing for underground coal mine fully mechanized mining of coal seam water injection, grouting operation. According to reports, domestic manufacturers have production and by more than a dozen coal trial, alternative similar imported products.

High pressure hose petroleum industry

The 21st century China offshore oil development strategy proposed focus on the development of coastal and offshore oilfield. Therefore, petroleum industry in addition to the use of drilling pipe, vibrating pipe, also called the use of shallow sea oil tubing. Submarine oil pipeline has been domestic production, but floating or semi floating type oil tubing and deep sea oil pipe still rely on imports. With the implementation of China offshore oil development strategy, offshore oil mining on the tubing performance requirements will continue to improve.
 

Layers*Classics	Hose ID mm	Hose ODmm		Reinforcement diameter mm	Working pressure MPa	Minimum burst pressure MPa MPa	Minimum bend radius mm	Weight kg/m
1-5-21	5±0.5	12.7±0.8		9.5±0.6	21	63	90	0.25
1-6-21	6±0.5	16	+1.0	11.7±0.6	20	60	100	0.34
			-0.8
1-8-17.5	8±0.5	18	+1.0	13.7±0.6	17.5	52.5	115	0.42
			-0.8
1-10-16	10±0.5	20	+1.0	15.7±0.6	16	48	130	0.47
			-0.8
1-13-14	13±0.5	24	+1.2	19.7±0.8	14	42	180	0.64
			-0.8
1-16-12	16±0.5	27	+1.2	22.7±0.8	12	36	205	0.70
			-1.0
1-19-10	19±0.5	30	+1.2	25.7±0.8	10	30	240	0.84
			-1.0
1-22-9	22±0.5	33	+1.2	28.7±0.8	9	27	280	0.95
			-1.0
1-25-8	25±0.5	37	+1.2	32.2±0.8	8	24	300	1.09
			-1.0
1-32-6	32±0.7	44	+1.5	39.2±0.8	6	18	420	1.38
			-1.2
1-38-5	38±0.7	50	+1.5	45.2±0.8	5	15	500	1.80
			-1.2
1-51-4	51±1.0	63	+1.5	58.2±0.8	4	15	630	2.30

High pressure hose production process

1, with mixing machine according to the formula of the inner layer of rubber, the middle layer of rubber and outer glue; extrusion machine out of the inner tube, coated with a release agent in the soft core or hard core (liquid nitrogen freezing method can not be Guan Xin)

2, the rolling machine pressed into the middle Rubber Sheet, and rolling isolation agent according to process requirements into specified width

3, containing tube core inner tubing in winding machine or knitting machine winding or braided copper wire or copper wire rope, also in the winding or braiding machines will be middle sheet glue synchronization winding between every two layers of copper wire or copper wire rope winding wire head and end binding (some of the early winding machine will be pre plating steel wire for prestressed stereotypes processing)

4, again in the extruder on the outer layer of plastic coated, and then wrapped around the lead or cloth to protect the protective layer cloth

5, through vulcanization or salt bath vulcanization

6, finally remove the sulfide protective layer, pumped out of the tube core, pressing pipe joint, pressure sampling inspection.

In summary, manufacturing high pressure tubing devices, many kinds of raw materials, production process is complex. But in recent years to plastic or thermal plastic elastomer as main raw material of hydraulic oil production process can be appropriately simplified, but high prices of raw materials, still with the raw material of rubber.

Cause of damage of high pressure hose

High pressure hose manufacturing quality is poor

(1) high pressure hose pipe wall of the inner layer and the outer layer is oil resistant rubber, middle (2 ~ 4) cross woven wire or wire winding. The poor quality of the hose will appear: tube wall thickness, steel wire braided tight, too loose or steel wire layer is too small; pressure hose after deformation (elongation, shortening or bending deformation) larger; the outer rubber seal difference lead to corrosion of steel wires; inner rubber seal is poor the high-pressure oil easily into the wire layer; layer and the steel wire layer adhesion problems. Above will enable hose to bear force is reduced, eventually in the tube wall is weak at appears to burst.

(2) hose and joint assembly of withholding the amount and withhold speed selection improper, or joint structure and material, the size of the selection is not reasonable, can lead to hose and joint pressure too tight or too loose, causing the early damage of the joints. Damage accumulated directly into the pressure hose used hydraulic hose assembly, if the withholding amount is too small, i.e., joint and pressure too loose in the role of a hose in early May from the joint in prolapse; if the withholding amount is too large, joint and too tight, easily lead to hose inner layer by the local damage, cracks, high pressure oil from the ruptured wire layer, and then along the wire between the gap and fled to the coat tail jet, or has been along the wire layer channeling to somewhere, so that the outer rubber drum kits and even rupture. Hose and connector in the assembly, if the withholding rate is too fast, easy to cause the inner rubber and steel wire layer fracture and the hose in the use of premature damage.

(3) in addition, joint design is unreasonable, the processing quality is poor, resulting in gum damage; if the joint material selection improper, in withholding is easy to deform, thus affecting the quality of crimping, hose life relationship.

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Product Categories : High-Pressure Rubber Hose Series