Square copper mould tubes/copper mould tube

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  1. Structure of Description


CNBM, is the leading professional designer and manufacturer for copper mould tubes & plates as well as the complete sets of equipments & spare parts used for hundreds of domestic and abroad steel plants. The copper moulds supplied by CNBM adopt advanced European technology. Nowadays, CNBM is one of the largest copper moulds supplier and exporter with more than 30% market share in domestic market and 5% in the world market. We commit to supply products with world-class quality, competitive price, flexible payment terms, speedy delivery and excellent service, and we can also give technical guidance to help our customers to reduce the cost and increase the productivity. We have got high reputation from various customers all over the world.

 2.Main Features

We are supplying High and Best Quality Copper Mould Tubes, which is the world's most Renowned and Reputed.

We supply Copper Moulds of Highest Quality, ensuring Maximum Life, excellent Heat Resistivity and smoothest Casting Operational efficiency.

With Size range 50x50~500x500mm, Length 700-1000mm Radius      R2500-R16000,

Steady and high quality,

Material  Cu-DHP (SF-Cu DIN1787), CuAg0.1, Cu-Cr-Zr;Coating   Cr, Ni-Co-Cr

We can design as per the customer’s specific requirements.

With lots of export expriences all around the world,

Fast shipment; 30-40days for for production;

Packing : Strong, export worthy wooden cases.

 3. Images

Square copper mould tubes/copper mould tube

Square copper mould tubes/copper mould tube




Size range 50x50~500x500mm

Length     700-1000mm

Radius      R2500-R16000

Internal geometries    Par parallel, single tapered, double tapered, multi-tapered, parabolic tapered   

Material  Cu-DHP (SF-Cu DIN1787), CuAg0.1, Cu-Cr-Zr

Coating   Cr, Ni-Co-Cr

* We can design as per the customer’s specific requirements.



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Q:Central air-conditioning is not the thicker the better?
Air conditioning copper pipe must be able to withstand some pressure, because there is pressure difference inside and outside the pipe, not the thicker the better. More than the pressure requirements, and the pursuit of pipe wall thickness, waste materials, financial resources.
Q:What is the connection between the air conditioning tubes?
Key points for connection of air conditioning copper tube brazing operation of air conditioning copper tube connection(1) clean the oxide film, oil stain and sundries on the outer surface of the copper pipe, the weldment and the inner and outer surface of the pipe. After the outer surface of the pipe and the inner surface of the pipe are evenly coated with the brazing agent, the copper pipe is inserted into the pipe to the bottom end and is rotated properly to maintain a uniform clearance to remove the excess drilling agent;(2) for welding flame on the joints evenly heated until heated to the temperature of brazing, heated by contact with solder joints, pipe joints of high temperature melting solder to solder melting quickly, can be added to the weld heat side solder fill;(3) stop heating.
Q:What's the function of the copper pipe in the air conditioner?
It is used to transfer the refrigerant pipe, copper pipe generally wrapped foam insulation pipe, copper pipe if you are exposed, will affect the cooling effect, but also exacerbate the aging, should go to buy some heat in general, there is a hardware store. Outside the machine, it is better to have a sun block rain ceiling, or you put things up, exposure to rain as the aging, especially the heat sink, affect the cooling effect.
Q:Why use copper tube for the air conditioner in the air conditioner?
The copper tube has high thermal conductivity, fast heat exchange and little cooling loss.
Q:How do you weld aluminium tubes and copper tubes? Who knows?
Look at your equipment condition. The conditions for argon arc welding or welding. Nitrogen dioxide. No conditions for the ordinary welding line. If you want to put the aluminum tube and copper pipe welding together the first heating of copper in copper tube to heat directly after the silver brazing welding, never old heating tubes, heating tube electrode has been the plug pipe flaring die. When the slip expansion tube
Q:In the process of using outdoor air conditioning machine after the copper frost is going on,
1, it may be fluoride deficiency. 2, the internal and external connection copper pipe has the folding suppression place. The three is where the high pressure pipe is blocked.
Q:How to renovate copper tubes
After soaking with low concentration sulfuric acid, rinse with clean water and then dry.
Q:What is the ratio of the capillary and copper tube in the fridge and freezer?
Horizontal freezer with a diameter of 8mm copper tube coil in general, from the mouth of 5-6cm refrigerator dish in the first circle, and then by ring down plate, each ring spacing of 7cm, about 10cm from the bottom end. The coil is connected to the top of the capillary, the bottom corner opening is connected with the compressor inlet. The coil should be smooth, turn to be accurate, appropriate length of the two parts the card will be fixed on the aluminum coil clamp fixed on the inner wall of refrigerator, without width.The length of the coil: measurement of horizontal freezer freezer wall in a circle circumference; the depth of upper vacated 5CM, at the bottom of the rest of the vacated 10CM, according to the depth of every 7CM disc in a circle, the circle number required coil plus 1 ring (the first circle); the total length of the coil is finally on the perimeter. As measured. The freezer is 1.6 meters, depth of 50 cm.Formula: total length m= (/m-0.15m / 0.07m+ refrigerator freezer depth) /m X - /m perimeter perimeterFor example: the total length of m= (0.5m-0.15m), 0.07m+1.6m X1.6m=10.56mCapillary, no matter how long it is outside the original box, keep the original length, and then the 1.2-1.5m (the length that was buried in the box) is the same as the capillary tube of the specificationThrough the capillary clings to the bottom from the upper angle into the first ring (tube hole should be close to the corner, wearing at the bottom of the capillary and the return pipe are from hole piercing). Such as refrigerated dual-purpose freezer, frozen capillary advanced tube.Compared with the vertical coil pipe has three sideways point: 1, do not waste the corner (not accounted for) refrigerator space; 2, no accumulation of condensed water, so as to avoid the wall decay; 3, running or stopping after the initial boot can effectively avoid liquid hammer compressor.Fast method of self-made refrigerator evaporator and capillary tube!
Q:Who can tell me the weight calculation formula of copper tube?
Copper tube (outer diameter thickness) * thickness *0.02796Brass tube (outer diameter thickness) * thickness *0.0267That's theoretical weight per metre
Q:My air conditioning refrigeration is poor, the air conditioner outside the small copper tube heating is how?
There are several reasons for the poor cooling of air conditioning:First, the air conditioner indoor filter net dirty, causing indoor air circulation is not smooth, cause air conditioning refrigeration poor, cleaning filter net can be solved;

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