cold and hot water piping systems Plastic Testing Machine

Plastics piping systems for hot and cold water test machine for hot and cold water with a variety of plastic pipes and fittings (PP, PEX, PVC-C, PB), according to the requirements of assembly and withstand a certain pressure at a temperature after the number of alternating Check pipes and fittings for leaks, the instrument is mainly used for hydraulic hose and fittings pipe fittings after assembly system tests. Hot and cold water systems for thermoplastic pipe fittings system test requirements. Test device using foreign advanced pressure control device for controlling, preventing the pressure fluctuations with temperature and time, the test pressure circulation pump imported from abroad provided to ensure that the pressure of the long-term effectiveness. Temperature conditions under which detection device automatically opens the appropriate return valve, reduce energy consumption, reduce the cost of test. Instrument with a special device greatly eliminates piping noise, are imported refrigeration equipment, power consumption, cooling capacity; reliable security guards and comprehensive level measurement devices to ensure that the high and low liquid level in the tank, When the test fails, the pipeline has ruptured, the time of shutdown; personnel can effectively protect against experimental tests and easy to observe the process of product design fully simulate the real product practical application scenarios, design ideas unique in the country.
) Pressure control range: 0.4MPa ~ 1.0MPa can be arbitrarily set
2) Pressure control precision: the set value ± 0.05MPa (alternating hot and cold water when no water hammer phenomenon)
3) Hot and cold water alternating time: less than 1 minute
4) Hot and cold water, each cycle: 15 minutes
5) cycles: 1 ~ 10000 arbitrarily set between.
6) Temperature indication error: 0.5 ℃
7) thermostatic bath temperature uniformity: ≤ ± 1 ℃
8) Temperature control range: Cold water: 15 ℃ ~ Hot water temperature: room temperature ~ 95 ℃
9) the applicable maximum diameter: Ф63
10) Test Station number: 6 channels (12 channels to be special orders)
11) Power supply: 380VAC/220VAC mix
12) Standard Rated Power: 25kW
13) Instrument Size: 5550mm × 2800mm × 1800mm
14) Instrument Installation size: 8000mm × 7000mm × 1800mm

Hydraulic fittings and the pipe is connected

Hydraulic fittings and the pipe is connected between the different forms of the main seal
Hydraulic fittings and the pipe is connected between the different forms of sealing, the pressure level range is different, the main sealing structure is as follows:
Card sets of pipe joints in the ferrule conditional (joint body 24 degree taper) of the cases, by external forces into the connector body 24 degrees tapered bore, tapered cut along the radial contraction process, to the tube card sets elastically deformed, and the outer diameter of the tube 24 degrees to form a rigid inner cone surface sealing.
Flared fittings through the union nut (A type with ferrules) and the pipe will be welded together beforehand) hydraulic hose and fittings to take over, the connection will take over the plane compression nut placed on the end surface of the connector body rubber O-ring to form an elastic seal.
Welded pipe joints cone nut directly connected by connecting pipes welded together in advance with 24 degrees cone receivership, will be placed in the cone coupling nut over the rubber O-ring compression fitting body 24 degrees in the inner cone of the cone formed on the elastic seal.
These hydraulic fittings several main seal structure, the next lesson will explain in detail each of the installation and construction fittings.
In a piping system, the pipe diameter indicates that the associated series of the components for other working conditions, other materials and non-standard parts, which allows pressure to be agreed and fittings Manufacturer
Hydraulic pipe fittings manufacturer is standard operating pressure, must ensure that the strength and usefulness of joint sealing and connecting up to 4-fold safety factor. Fittings hose nipples manufacturer nonstandard obligation to verify the pressure tube fittings
Steel hydraulic fittings temperature load performance
Steel hydraulic fittings permissible operating temperature is generally -20 to 120 degrees, the ambient temperature is 40 degrees, according to the corresponding standard production pipe fittings currently no description of low temperature performance at -40 degrees ambient temperature using the hose connections and steel production plant connected to the current production practices have not yet found adversely affected.

Take you into the high-pressure pipe fittings elbow World Time

A high pressure elbow Material
Using high quality steel, carbon steel, stainless steel or alloy steel.
Second, the characteristics of high pressure elbow
(1) high pressure elbow with good compressive strength;
(2) high-pressure pipe elbow has good wear resistance;
(3) high-pressure elbow with excellent corrosion and acid-base capability.
(4) High elbow can shorten the manufacturing cycle, the production cost is greatly reduced.
(5) The following material is simple, easy to ensure accuracy, easy assembly and welding.
Third, hydraulic hose and fittings the application of high pressure elbow
High elbow for oil, gas, chemicals, utilities, construction and boiler piping system industries.
Fourth, the high pressure elbow craftsmanship
(1) Welding a polygonal cross-section or a polygonal ring shell closed at both ends of the multi-row fan shell, the internal pressure washed over the media, applying less pressure, including pressure from the polygonal cross-section under the action of becoming round, eventually become a circular ring shells.
(2) a circular ring shells can be cut into 4 90 6 60 high elbow or elbow, or other specifications of the high pressure elbow.

Hose assembly failure analysis

1, symptoms: hose inner tube is very hard, has been cracking.

   Analysis: temperature of the inner tube is easily precipitated plasticizer, which is a flexible hose can be a plastic material. Entrained gas oil oxidation allows the inner tube. Occur in the rubber products such oxidation reactions can be cured. Oxygen and temperature, will greatly accelerate the hardening of the hose tube. Occurred inside the inner tube cavitation also have the same effect.

2, symptoms: hose cracking internally and externally, but the elastic material is still soft at room temperature deflectable.

   Analysis: The likely reason is that the hose when the ambient temperature is very low deflection. Most standard hose is rated to -40 degrees, and some AQP hose rated temperature is -49 degrees, usually military hose rated temperature is -54 degrees, and some thermoplastic hose rated temperature is -54 degrees, poly four vinyl fluoride hose rated temperature is -73 degrees.

3, symptoms: hose rupture, hydraulic hose sleeve peel the outer layer of wire reinforced rubber examination found that the entire length of the hose irregular wire breakage.

   Analysis: This indicates the pressure of the hose in a highly frequent fluctuations. SAE American Automobile Association, the two-story steel braided hose impact testing required at 133% of the recommended operating pressure of up to 200 000 cycles. About four-spiral hose SAE impact test requirements of up to 500 000 cycles. If the number of pulses within the extrapolation in a short time, more than one million times, the best choice for the enhancement layer wound hose.

4, symptoms: hose rupture, but not displayed on the entire length of the hose with multiple wire breakage. May be more than one hose rupture.

   Analysis: This indicates that the pressure has exceeded the minimum burst strength of the hose. Recommended to use higher-strength hose, or hydraulic lines appear hydraulic hose and fittings high pressure conditions can cause malfunction.

Welded pipe joints

Material : 20 #, 45 #, Q235, 16Mn, 304,304 L, 316,316 L, 321,201 etc.
Manufacturing standards : AK, AKM, ARK, AKS, AAK, GEV, GUV, GOV, GEAM / GEVA, GUR, GUG, GUL, GELM, GELA, DU, SV, WS, TS-T, SKV, TSKV, RI, VSU , GAV, AV, GV, WV, TV, KV, GSV, WSV, ASKB, B / DB, SM / SMR / SMH, SMW / SMT, KO, JB / T 966, JB / T 6381 ~ JB / T 6385, JB / ZQ 4773 ~ JB / ZQ 4782 , etc.
Product Features: Welded pipe joints is a hydraulic fluid power and general use equipment piping systems essential parts. In a hydraulic system, energy from the hydraulic oil through the hydraulic connections and that the tube hose system for delivery. If you put a hydraulic pump compared to a person's heart , then hydraulic tubing is connected vessels ; modern industry requires increasingly higher hydraulic system operating pressure . High-speed operation of hydraulic equipment requirements of hydraulic systems can withstand high voltage pulse , requires Welded pipe joints in the system must withstand higher pressure peaks and vibration energy to guarantee the normal transport . Its failure will cause the pipeline leak ,hydraulic hose and fittings  a serious cause of pipeline rupture. The first oil pipeline environmental laws and regulations is not allowed. More importantly , the modern large-scale mechanized production equipment shall continue to operate in order to ensure production efficiency , basically does not allow non-normal downtime ; General hydraulic oil for Welded pipe joints is not corrosive , so the hydraulic system commonly used carbon steel welded pipe joints , drinking water or purified water should not be used to connect pipes carbon steel welded pipe joints .
        The traditional brass welded joints using compressed air series , because the compressed air carries moisture build-up inside the tube will corrode if welded joints . Chemical equipment, piping conveying a variety of corrosive fluids usually requires frequent washing with solvent or water , so the general chemical piping must be stainless steel . Welded joints in hydraulic systems have different functions : the high pressure , low pressure return line and suction line . Accompanied by high pressure pipeline strong impact and high turbulence , to ensure the seal in this condition . Suction line liquid flow rate is low , in order to ensure the pumps are not subject to cavitation damage , you must select the appropriate connector , hydraulic hose adapters ensure piping exposed to vacuum and to minimize pressure loss. Select welded joints should know nominal pressure hydraulic pipe fittings . PN is a standard parameter and the system is numerically equal to the maximum working pressure .

cutting machine classification range of applications

cutting machine classification range of applications
Cutting Machine Image

Cutting machine to distinguish from the cutting material is divided into metal and nonmetal materials cutting machine cutting machine.

Metal cutting machine into flame cutting machine, plasma cutting machine, laser cutting machine, waterjet cutting machines;

Nonmetallic material cutting machine cutting machine tools mainly.

Cutter way to manifold block distinguish from the control is divided into CNC cutting machine and manual cutting machines.

CNC cutting machine is to use the digital process-driven machine movement, with the machine movement, the cutting tool with a random distribution of the object to be cut. This mechatronic

Of the cutting machine it is called CNC cutting machine.

Laser cutting machine is efficient fastest, highest precision cutting, cutting thickness is generally small. Plasma cutting machine cutting speed quickly, cutting surfaces have a certain slope.

Flame cutting machine for carbon steel in thicknesses greater.

Applications
Cutting machine application of metal and nonmetal industry, in general, non-metallic SECTOR rather meticulous cutting stone like a stone cutting machine, water jet cutting machine, serrated cut

Cutting machines, cutting fabric and plastic, chemical products used in laser cutting machine, cutting machine blade, cutting metal materials are flame cutting machines, plasma cutting machine, flame cutting

Machine inside was divided CNC cutting machine, and manual two categories, the categories are manually, small car, semi-automatic, pure manual, CNC there, gantry CNC cutting machine, cantilever CNC

Cutting machine, desktop CNC cutting machine, CNC intersecting line cutting machine and so on!

Cost
The most expensive laser cutting machine is the highest accuracy and efficiency a high-tech cutting equipment, waterjet cutting machine, followed by flame cutting machine is also relatively cost again bottom

, Plasma cutting machine using the lowest cost (calculated per piece)!

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Outlook

Generally CNC flame hydraulic hose and fittings cutting machines, plasma cutting machine holds a large part of the user, and later fine plasma, laser cutting will replace the former, as the main

Stream cutting machines, because they are environmentally friendly, cutting speed, cutting quality is good!

cloth hose Application examples

As we raise the level of agricultural production have become increasingly demanding urgent and inevitable fabric hose applications in industry and agriculture production will continue to increase, such as water, whether it is in our daily life or in industrial and agricultural production in the folder cloth hose in the application of water is the most common, another example oil, oil on fabric hose in the application do not have to say it, have applications in a variety of mechanical equipment. quick couplings In short, cloth hose production is essential in our lives, following on the introduction of the structural fabric hose - characteristics and application to do some introduction:

A, fabric hose structure: is from the tube, multilayer cloth weaving or winding layer, the outer cover. Cloth attracts hose is from the inside layer, multi-layer cloth winding layer, spiral steel wire reinforced layer and outer layer.

Second, fabric hose Features: Hose has a small diameter tolerance, oil, heat and other excellent performance, lightweight, durable soft tube, etc.;

Third, cloth hose Usage: hydraulic hose and fittings According to the nature of resistance to media layer can be divided into pipes, air pipes, lose acid pipe, pipeline heat tubes, etc., are widely used in industrial and agricultural machinery and equipment, etc. Each type of fabric hose is based on transport different media, the choice of appropriate materials, is used to transport the (positive and negative pressure conditions) a variety of liquid and powdered solid sticky fluid medium such as a flexible hose material.