Murphy Thermal Energy Co., Ltd.
Brand: Murphy
Applicable Industry: Garment Shops, Food Shop, Retail, Construction Works, Printing Shops, Building Material Shops, Machinery Repair Shops, Energy &Amp; Mining, Manufacturing Plant, Food &Amp; Beverage Shops, Food &Amp; Beverage Factory, Farms, Restaurant, Home Use
Out-of-warranty Service: Video Technical Support, Online Support, Spare Parts
Where To Provide Local Services (in Which Countries Are There Overseas Service Outlets): Pakistan, Philippines, Viet Nam
Showroom Location (in Which Countries Are There Sample Rooms Overseas): Pakistan, Viet Nam, Philippines
Video Factory Inspection: Provided
Mechanical Test Report: Provided
Marketing Type: Ordinary Product
Place Of Origin: China
Species: Fin Tube
Use: Heater Parts
Certification: Ce
Warranty Period: 1 Year
Service System: Free Spare Parts, Video Technical Support, Online Support
Packaging: Wooden Case
Productivity: 10000 Pieces Monthly
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Supply Ability: 10000 Piece Monthly
Certificate: ISO9001
HS Code: 8419909000
Port: Shanghai Port,Ningbo Port,Qingdao Port
Payment Type: Western Union,Money Gram,Paypal,D/A,D/P,T/T,L/C
Incoterm: FOB,CFR,CIF,EXW,FAS,FCA,CPT,CIP,DEQ,DDP,DDU,Express Delivery,DAF,DES
L/LL/KL Finned Tube Product Description:
LL Finned Tube(Overlapped L Fin)
Application: Standard fin for low-temperature applications giving increased atmospheric corrosion protection of the base tube.
Upper limiting temperature: 180°C
Manufacture: Fin foot is pre-formed into an LL shape (overlapped LL) and applied to base tube under tension. However, foot is pre-shaped to give overlap of one foot onto another, thereby improving base tube protection and thermal contact area
Fin materials: Aluminium
Base tube materials: Any metallic material
KL Finned Tube(Knurled Aluminum Tubing)
Application: Standard fin for medium-temperature applications, giving increased atmospheric corrosion protection to the outer surface of the base tube
Upper limiting temperature: 250°C
Manufacture: Fin foot is pre-formed into an L shape and applied to base tube under tension. Knurling tools both precede and follow the laying down of the fin foot so that the fin material is locked into the pre-knurled tube. This gives up to 50% greater thermal contact area than standard L fin and also ensures an airtight fin to tube bond, resulting in greater tube protection
Fin materials: Aluminium
Base tube materials: Any metallic material
L Finned Tube(Wrapped Fin)
Application: Standard fin for low-temperature application where some degree of tube wall protection is required
Upper limiting temperature: 120°C
Manufacture: Fin foot is pre-formed into L shape and applied to base tube under tension. The adjacent fins abut one another, giving a degree of base tube protection for less aggressive environments
Fin materials: Aluminium
Base tube materials: Any metallic material
L/LL/KL Finned Tube(Knurled Aluminum Tube) Manufacturing Process:
Applied Fin Tube is made with strip wrapped under tension around the base of the tube. Fins are welded to the base tube at the strip ends.
L/LL/KL Finned Tube(Aluminum Finned Tubes) Advantages:
L Finned Tube
Suitable for low-temperature application.
The finning type is the most cost effective method compared to the others.
The failed fins can be easily removed during production and bare tube can be used again for finning.
There is no need for make a helical grove over the core tube.
It is possible to place the fins on a very thin-walled tube with is particularly desirable when using expensive alloys as core tube.
The tube can withstand a temperature of up to 130°C without the risk of atmospheric corrosion or thermal stress.
LL Finned Tube
This type of finned tube is often used as an alternative to the more expensive extruded type fin in corrosive environments.
Maximum operating temperature 170ºC.
KL Finned Tube
Corrosion-resistant Tubes
Vibration resistance
It can withstand temperatures of up to 320°C (608°F).
High thermal performance and stress resistance combined with protection from air corrosion is a one-of-a-kind combo.
Any form of finned tube can be replaced with KL.
L/LL/KL Finned Tube Properties:
Atmospheric Corrosion Resistance: OK
Mechanical Resistance: Poor
Fin Contact: Interference Fit
L/LL/KL Finned Tube Applications：
. the petroleum, chemical and petrochemical process industries
. natural gas treatment
. the steel industry: blast furnace and converter systems
. power generation: steam turbine exhaust condensing
- contact condensing with cooling of circulating condensate
- fossil and nuclear power plants
. air conditioning (Freon, ammonia, propane)
. incineration of household refuse
. compressor coolers, etc.
L/LL/KL Finned Tube Specifications：
| Product Specification | ||
| Tube OD | 19~51 (mm) | 3/8”~2” |
| Tube Wall Thk | 1.65~3.0(mm) | 0.065”~0.118” |
| Tube Length | ≤18,500 (mm) | ≤60.7 ft |
| Fin Thk | 0.3~0.5 (mm) | 0.012”~0.02” |
| Fin Height | 10~16 (mm) | 0.394”~0.63” |
| Fin Pitch | 100~433 FPM | 3~11 FPI |
| Fin Type | L,LL,KL | |
| Material Combinations | ||
| Fin Material | Aluminum (most common grade:Alu.1100, Alu.1060, Alu. 6063) | |
| Copper | ||
| Tube Material | C.S. (most common grade: A179, A192,SA210 GrA1/C,A106 Gr B ) | |
| S.S. (most common grade: TP304, 316) | ||
| Copper (most common grade:UNS12200,14200, 70600, CuNi70/30, CuNi 90/10) | ||
| Titanium (most common grade: B338Gr2) | ||
| Applied Temperature | L Type:150°CL,LL Type:180°C,kL Type:260°C | |
| Type of Service | L Type:Low temperature LLType:Low temperature, corrosive atmospheric environment applications KL Type:Medium temperature | |
Product Categories : L/LL/KL Finned Tube
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