• Hydraulic Hose DIN 4sp Rubber Hose best selling products to US System 1
  • Hydraulic Hose DIN 4sp Rubber Hose best selling products to US System 2
  • Hydraulic Hose DIN 4sp Rubber Hose best selling products to US System 3
  • Hydraulic Hose DIN 4sp Rubber Hose best selling products to US System 4
Hydraulic Hose DIN 4sp Rubber Hose best selling products to US

Hydraulic Hose DIN 4sp Rubber Hose best selling products to US

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1 m
Supply Capability:
80000 m/month

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Basic Info.

Model NO.:DIN 4SP

Material:EPDM

Color:Black

Capability:Rubber Oil Hose

Size:2"

Export Markets:North America, South America, Africa, Mid East

Additional Info.

Trademark:HANFLEX

Packing:Roll

Standard:SGS

Origin:Henan

Production Capacity:500000m

Product Description

DIN 4SP
Product Description:

1. CONSTRUCTION:
This hose consists of an inner tube of oil resistant synthetic rubber, 4 wire spirals reinforcement, and an oil and weather resistant synthetic rubber cover.

2. APPLICATIONS:
Hose range suitable to carry hydraulic fluids such as glycol, mineral oils, fuels, lubrication, emulsion, hydrocarbons etc.
3. WORKING TEMPERATURE:
From -40C up to +100C


Q: How can the rubber pipe leaking from the cold water inlet of the electric water heater do?
Estimation is inside the pipe aging cracking due to Water Leakage, no maintenance necessary, unless it is a joint sealing ring in aging can replace the sealing ring of new or with rubber or other flexible items I cut a replacement.
Q: Why does Br2 corrode rubber tubes?
Br2 bromine gasBr2 bromine element at room temperature is dark brown liquid, soluble in water, 100g water can dissolve about 3G bromine. Highly volatile, toxic, steam strongly stimulate the eyes, mucous membranes and so on. The water solution is called bromine.
Q: Is the electric water heater well connected with the metal hose?
For electric water heater, now the industry is required to use PPR pipe to its inlet and outlet for welding, on the one hand, long service life, can effectively prevent the water heater inlet and outlet leakage;
Q: Can the natural gas hose not exceed 1.5 meters or 2 meters?
The gas hose on the principle of not more than 1.2 meters, and regularly check the technical requirements, 1-2 must be replaced if the temporary gas can also be longer, if long-term use, as far as possible the use of metal pipe joint and the gas stove can also use metal hose, high safety factor.
Q: My company does high-quality rubber tube, all of the core method, and why use EPDM to do the inner tube, it is difficult to take off the core, please point out! What's the reason?
The core needs to be removed, and if it is too long, the mandrel can be divided into two sections and separated from the 2 sides
Q: Classification of metal hoses
Corrugated metal hose from the structure point of view, metal bellows with two pieces of tape and pipe, they can be molded out of ring bellows and spiral bellows. Just because the corrugated pipe buckle strip forming there is always a certain length of brazing or welding and joints, these places often have accumulated working medium residue, and precipitated a mechanical impurities pollution cavity cleaning test and working medium. As a result, its trustworthiness is relatively poor. Bellows ring is the number of rings and several concave diaphragm outer concentric semi circle tangent, and several inner concave semicircular ring connected with the vest tangent to the special geometry of the pipe. Its billet is mainly made of tubes, and this kind of bellows has the characteristics of large flexibility, good elasticity, simple manufacture and small rigidity. Suitable for making general pressure, flexible requirements of high, medium diameter of the metal hose. Spiral corrugated pipe is a certain length of the spring winding shaped diaphragm spring shape around the outer edge and concave concentric semicircular ring tangent, and inner spring winding shaped concave semicircular ring connected with the vest tangent to the special geometry of the pipe. The corrugated tube has the characteristics of high strength, large rigidity and simple manufacture, and is suitable for making metal hose with high and medium pressure requirements, high and medium pressure, medium and small diameter.
Q: What is the essential difference between natural rubber and three yuan ethylene propylene rubber?
The glass transition temperature of natural rubber is -72 Deg. C, plastic flow temperature is 130 degrees centigrade, start decomposition temperature is 200 degrees centigrade, intense decomposition temperature of 270 DEG C. When natural rubber is vulcanized, its Tg rises, and no more viscous flow occurs.
Q: Is it feasible to use rubber material, middle canvas layer and outer rubber material in PVC rubber tube?
Improvement measures: 1, adjust the process, plastic material in place; mixing rubber plastic stability; vulcanized rubbing with low temperature long time vulcanization; 2, test cloth in curing temperature shrinkage coefficient is too big, consider changing cloth;
Q: Stainless steel metal hose and flexible rubber joint which is easy to use?
Stainless steel metal hoses and flexible rubber couplings are used for pump inlet and outlet to absorb vibration and noise during the operation of the pipe pump. The two products are common in the case of ordinary media.
Q: How often do the oil - resistant rubber pipes undergo atmospheric pressure testing?
Hose size measurement: the inner and outer diameter, outer diameter, wall thickness, enhancement layer concentricity, inner and outer layer of glue thickness, assembly diameter, new GB and ISO increased the length and the measuring point mark, provides no pipe joint and a hose length of various pipe joint measurement method.

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