L-Type Finned Tubes
L type fin tube are easy to manufacture and cheap, and are used in large numbers in petrochemical air coolers. However, since the aluminum fins are fastened to the surface of the steel tube by the initial stress of winding, the operating temperature is low, generally 120-160℃, and the maximum operating temperature of L-type finned tubes is 150℃ as stipulated in the national standard GB/T 15386-94 for air coolers. When the tube wall temperature exceeds 70℃, the fin tension is greatly reduced, the fins start to loosen, the contact thermal resistance increases, and the performance is not good. Therefore, L type winding tube is suitable for the situation of smooth working conditions and no sudden change in temperature, and should not be used for the situation of great vibration. It is poorly resistant to atmospheric corrosion and has a very short service life in wet air cooling.
Introduction of L-Type Finned Tubes
L fin tube are one of specific types of finned tubes that feature a unique L-shaped fin design. The fins are attached to the outer surface of the tube, forming a series of continuous L-shaped profiles along the length of the tube.
The L-Type finned tubes find application in various industries, including power generation, petrochemical, and HVAC systems. They are commonly used in heat exchangers, air coolers, and condensers, where efficient heat transfer is essential.
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Sunday, August 10, 2014
Quantity : 25 - Price : USD 3900-88888
Factory Service and Certification: Pre-sale services: According to your special needs, design and manufacture products for you, provide you with project design, process design, purchase program suitable for your machines and equipment. Sale of services: Assist you to complete...
Henan Zhengzhou Yonghua Machinery
- olina1
- 450000 - zhengzhou CITY
- +13 6 07 69 93 63
Tuesday, August 11, 2026
Unitronics OPLC V1210 – Automate Control Engineering Ltd. (winston@automate-ace.com) Vision1210: Industrial control processes can now enjoy full PLC functionality with a larger than ever 12.1”, 65K color-touchscreen. This controller is a perfect fit for the food industry- with its IP66 rating...
Automate Control Engineering Ltd.
- automatehk
- 999077 - Hong Kong
- +85 2 23 42 72 76
Friday, May 09, 2014
Quantity : 50 - Price : 79,90 €
10W Scheinwerfer mit Akku für Fahrzeuge oder als Taschenlampe verwendbar. Super Helligkeit und ca.3 Stunden Brennenzeit bei voller Ladung garantieren Ihnen ein helles Licht, wenn Sie keine Stromquelle in der nähe und arbeiten müssen. Sie ist im Freien absolut geeignet weil sie IP65...
Euro-Sino
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