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API661 Air Fan Cooled Dosh Mol TRCU For Russia CRN Canada

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API661 Air Fan Cooled Dosh Mol TRCU For Russia CRN Canada

Brand Name : API661 Air Fan Cooled

Model Number : COMPRESSOR

Certification : ASME , U STAMP , PED, API , ABS, LR, DNV, GL , BV, KR, TS, CCS

Place of Origin : CN

MOQ : 1 SET

Price : 0-1000000USD

Payment Terms : T/T, L/C, D/A

Supply Ability : 15 SETS/MONTH

Delivery Time : 20-80 days

Packaging Details : Requirements/ Ply-wooden Case/ Iron Case/ Bundle with plastic Cap

KR Applicable Code : KGS, KOSHA, KEMCO, KESCO and Tec.

JP Applicable Code : KHK, 2nd Class Pressure Vessel

CE Applicable Code : PED Cer't

UK Applicable Code : EN 1090‐1

MY Applicable Code : DOSH

RU Applicable Code : TRCU

CA Applicable Code : CRN

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API661 Air Fan Cooled Dosh, Mol, TRCU For Russia, CRN For Canada

An air cooler comprises four fundamental elements:

​​Tube Bundles​​: The core heat transfer unit, consisting of finned tubes arranged in rows. These tubes are fabricated from materials like carbon steel, stainless steel, or duplex alloys (e.g., SA213-TP304, SA789-S31803). Fins (often aluminum) are mechanically bonded to the tubes (e.g., extruded, "L" wrap-on) to amplify the heat exchange surface area by 10–24 times, compensating for air’s low thermal conductivity.


​​Axial Fans​​: High-efficiency fans drive airflow across the tube bundles. They are categorized into forced draft (fans below the bundle) or induced draft (fans above the bundle), with the latter preventing hot air recirculation and enhancing thermal performance.


​​Structural Framework​​: A steel or alloy framework supports the tube bundles and fans, ensuring stability under operational stresses and environmental conditions (e.g., wind, vibration).


​​Headers and Louvers​​: Headers distribute fluid evenly into the tubes, while adjustable louvers regulate airflow to optimize cooling efficiency and adapt to seasonal temperature variations.

Applicable Codes & Standards​​

​​Category​​ ​​Standard/Certification​​ ​​Description/Scope​​ ​​Applicable Region/Country​​
​​ASME​​ U-Stamp with NB Certificate Certification for pressure vessels and heat exchangers meeting ASME Boiler & Pressure Vessel Code. Global (ASME-compliant regions)
​​API 661​​ API 661 Design, manufacturing, and testing requirements for air-cooler heat exchangers. Global (Oil & Gas Industry)
​​Korea​​ KGS Korean Gas Safety standards for pressure equipment. South Korea
KOSHA Korean Occupational Safety and Health Agency regulations. South Korea
KEMCO Korea Energy Management Corporation energy efficiency requirements. South Korea
KESCO Korea Environmental Storage Container standards. South Korea
Tec. Technical compliance for specific industrial equipment. South Korea
​​Japan​​ KHK High-Pressure Gas Safety Law (Japanese regulations for pressure vessels). Japan
2nd Class Pressure Vessel Certification for medium-pressure vessels under Japanese law. Japan
​​CE Mark​​ PED Certification Compliance with EU Pressure Equipment Directive (2014/68/EU). European Union
​​UKCA​​ PESR 2016 UK Pressure Equipment Safety Regulations post-Brexit. United Kingdom
EN 1090-1 Standards for structural steel and aluminum components. United Kingdom/EU
​​Worldwide Local Laws​​ DOSH Department of Occupational Safety and Health (Malaysia). Malaysia
MOL Ministry of Labour (Taiwan) regulations for industrial safety. Taiwan
TRCU Technical Regulations of the Customs Union (Russia/Eurasian Economic Union). Russia/Eurasian Economic Union
CRN Canadian Registration Number for pressure equipment. Canada

​​Material Combinations​

​​Component​​ ​​Material/Type​​ ​​Details​​
​​Tube​​ SA179, SA214 Seamless cold-drawn low-carbon steel tubes for heat exchangers.
SA213-TP304/304L/316/316L, 321 Austenitic stainless steel tubes for high-temperature/pressure resistance.
SA249-TP304/304L/316/316L, 321 Welded stainless steel tubes for boilers and heat exchangers.
SA789-S31803 Duplex stainless steel tubes for corrosion resistance.
​​Fin​​ AL (Aluminum) Lightweight, high thermal conductivity fin material.
​​Fin Type​​ Extruded Fins mechanically bonded to tubes via extrusion process.
"G" Embedded Fins embedded in a helical groove on the tube surface.
Knurled "L" Fins with knurled surface for enhanced adhesion.
"L" Wrap-on Fins wrapped onto tubes in an "L" shape for secure attachment.
Double "L" Dual-layer "L" wrap-on fins for increased structural stability.

API661 Air Fan Cooled Dosh Mol TRCU For Russia CRN Canada


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