What are the factory standards for the production of ribbed

Release time：2018-10-22 13:34

Inner ribbed tube is a ribbed tube on the inside wall. It is often used as evaporator tube bundle in shell-tube dry evaporator to increase the heat release area of refrigerant side and improve the heat transfer effect. Next, let's get to know what the factory standard is for the production of the ribbed tube equipment.
One, color
The color of pipes should be uniform.
Two. Appearance
1, no obvious bubbles, dents, impurities and irregular corrugation are allowed in the inner and outer walls of pipes. The ends of pipes should be straight and perpendicular to the axis. The inner rib should be tightly welded and the phenomenon of disengagement should not occur.
2, the pipe should be broken after cutting, no burrs.

Three, size and specification
1, inner diameter
The nominal size of pipe is nominal (DN/ID).
2. Size
The minimum average inner diameter, minimum wall thickness and minimum structural height of the pipe shall be in conformity with the requirements, and the average outer diameter of the pipe shall be determined by the manufacturer.
Qingdao Kefengyuan Plastic Machinery Co., Ltd. is located in the beautiful and rich coastal city called "Eastern Switzerland" - Qingdao, covering an area of 12,000 square meters, beautiful environment, superior geographical location, convenient transportation. Over the past ten years, the company has steadily strengthened its scientific and technological innovations, focusing on the management of foreign markets, is a high-tech enterprise involved in polymer materials, plastic machinery research and development, design and manufacture, production and operation and technical services as one.
The company relies on high-tech, rely on high-quality products, perfect service to create good economic and social benefits.
The company has developed more than 20 new products, such as environmentally friendly PP super-thick plate production line, PVC wood-plastic plate production line, PE large-caliber gas/water supply pipe production line, PE large-caliber hollow wall winding pipe production line, PP-R pipe unit, plastic buckle board unit, etc., which are well sold in China, and exported to Russia, Southeast Asia, Middle East, Africa and many other countries and countries. Area.