Refrigeration fittings copper elbow 45 degrees copper elbow pipe joint
Supply Ability:
6,000,000 Unit/Units per Month
Packaging & Delivery:
PE bags + carton or accept custom -made
Port: Ningbo or Shanghai
Brazing of red copper tee cooling fittings is to heat the base metal with the base metal having a lower melting point than the base metal. Under the condition that the base metal is not melted, the base metal will be wetted after melting and filled into the gap at the junction of the two base materials to form the brazing weld. In the gap, the base metal and the base metal will dissolve and diffuse each other, so as to obtain a firm combination.
The brazing of three-way pipe fittings is to heat the copper pipe and copper pipe parts together with the brazing brazing alloy or tin brazing alloy with a lower melting point than copper. Under the condition that the copper pipe and copper pipe parts are not melted, the brazing alloy is heated to melt, and then the molten brazing alloy is filled into the gap of the socket, and the brazing weld is formed by cooling crystallization and becomes a firm joint. Copper pipe brazing, socket gap is small, solder through capillary action to enter the brazing gap, and capillary action can only be formed when the liquid solder can wet the copper surface, otherwise the liquid solder will be under the action of surface tension, agglomeration into a ball, that is, the formation of non-wetting phenomenon. Therefore, wetting of copper surface by liquid filler metal is the key to whether the filler metal can flow into brazing joint and fill brazing joint.
Factors affecting the welding of red copper pipe fittings: the wetting factor of brazing alloy to the surface of copper is firstly the composition of brazing alloy and secondly the oxide on the surface of copper. Now USES copper phosphorus brazing alloy and tin solder for copper is fairly good wettability, therefore, on the surface of the copper oxide is the main factors influencing the wetting, copper oxide on the surface of the get in the way of direct contact with copper atoms solder to make liquid solder on copper surface wetting, so brass brazing, must remove copper and brass brazing surface on the surface of the debris.
Brazing advantage of copper pipe welding: brazing connection of copper three-way pipe fitting is a mature connecting process, easy to operate, reliable in quality, and suitable for laying in the dark. Therefore, brazing is the most common method of connection in copper pipe engineering.
Q:How to pay?
A:TT and L/C are acceptable and TT will be more appreciated.30% deposit before producing, 70% balance before loading by TT.
Q:What if there is a problem with quality?
A:Our products are strictly inspected before delivery , also we have a basic guarantee 1-2 years ,we will send you new free products to replace the damaged items due to quality problem.
Q:Is that possible to be your agent or distributor?
A:Yes ,of course,we are glad to work with you to develop the market. Feel free to contact us for more information.
Q:Why with you ?
A:Refrigeration spare parts supplier to meet all your demands and service.
Q:Can you make customized products and customized packing?
A:Yes.We made a lot of customized products for our customer all the time. And we made new tools for our customers also for production of new products.About customized packing,we can put your Logo or other info on the packing.But just have to point out that ,it requires MOQ.
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