GLOBAL STANDARD COOLER

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1 GLOBAL STANDARD COOLER D

D MOBILE HYDRAULIC OIL-TO-AIR COOLING SYSTEMS Product Information AKG-Line is a standard line of products from the market leader in high performance aluminium cooling systems.

The AKG-Line type series consist of different models for mobile and stationary applications and are available through our global specialist dealer network.

2 D MOBILE HYDRAULIC OIL-TO-AIR COOLING SYSTEMS Product Information AKG-Line is a standard line of products from the market leader in high performance aluminium cooling systems. AKG is best known for its world-wide presence, German engineering and extremely reliable product quality on the one hand and very competitive prices on the other hand. The AKG-Line type series consist of different models for mobile and stationary applications and are available through our global specialist dealer network. This line of products embraces all-purpose complete cooling systems that comply with European or American Standards, is suited for normal or rugged environmental operating conditions, is powered by AC-, DC- or hydraulic-motor-driven fans and is also available with noise-optimized models. All of AKG s solutions have been developed with stateof-the-art technology, produced in compliance with the highest quality standards and are comprehensively tested in the company s own research and test facility. Features of the D series - High-Performance cooling assemblies - DC motor powered fan - The heat is transferred from the medium to be cooled to the ambient air - Cooler can be universally used in hydraulic oil, transmission oil, engine oil, lubricating oil and coolant circuits - For the cooling of mineral oil, synthetic oil, biological oil as well as of HFA, HFB, HFC and HFD liquids and water with at least 50 per cent of antifreeze and anticorrosive additives (other media available) - Can be exposed to operating pressures of up to 26 bar - Best heat transfer results per given cooler size due to comprehensive research and development - Highest quality due to professional engineering and in-house manufacturing - Available from stock or at short notice - As a standard, equipped with AKG s double-life hollow sections designed to increase cooler service life - As a standard, equipped with anti-clogging cooling air fins FLEXIBLE AKG HOLLOW PROFILE AKG-Line uses AKG hollow profiles to reduce local peak strains. This way the strength of heat exchangers is significantly increased and their service life time considerably prolonged. AKG HOLLOW PROFILE Features - Reduced Strain: Strength calculations show that when using AKG hollow profiles maximum strain is reduced by a factor of 2 - Prolonged Service Life Time: Extensive rig tests have shown that service life time increases by a factor ranging from 3 to 5 BENEFITS - Largest and most comprehensive series of mobile hydraulic coolers - Highly flexible complete, ready-to-use cooling packages - Compact and robust design, field-tested during many years of use in rugged real life conditions with standard profile with hollow profile

D EASY SIZING DIAGRAM for ENTRaNCE-TEMPERATURE-DIFFERENCE 40 K 45 40 35 D40 D35 Heat Rejection [kw] 30 25 20 15 D25 D20 D17 10 5 D4 D9 D11 50 100 150 200 250 Oilflow [l/min] 300 Selection by Specific

3 D EASY SIZING DIAGRAM for ENTRaNCE-TEMPERATURE-DIFFERENCE 40 K D40 D35 Heat Rejection [kw] D25 D20 D D4 D9 D Oilflow [l/min] 300 Selection by Specific Heat Rejection 1. Input Data: Example Required Heat Rejection P = 30 kw Oilflow through Cooler V = 150 l/min Oil Inlet Temperature T_Oil 70 C Cooling Airflow Temperature T_CAF 30 C 2. Determination of Specific Heat Rejection: Entering-Temperature-Difference ETD = 70 C - 30 C = 40 K Required Specific Heat Rejection P/ETD 30 kw/40 K = 0,75 kw/k 3. Select According to Diagram and Result: Next higher curve D 35 SPECIFIC HEAT REJECTION 1,0 D40 P/ETD [kw/k] 0,8 0,6 0,4 D35 D35 D25 D20 D17 0,2 D9 D11 D Oilflow [l/min] 300 The AKG-Line Selection Software, which is available free of charge will guide you through the cooler model selection process in simple steps and will recommend the optimal AKG cooling package for your application:

4 D Technical Data Model Size Motor Voltage (V) Metri-Pack 630 Female Plug Data Number of fans Approx. Current Consumption Per Fan (A) Approx. Noise Level (db(a), 1m) Approx. Net Weight Of Assembly (kg) Volume (l) Working Pressure (bar) D4 12/24 1 8/4 80 6,4 1,4 26 D9 12/24 Female Connector / ,3 1,4 26 D11 12/ / ,3 1,8 26 D17 12/24 Contact / ,2 2,7 26 D20 12/24 Seal 1 29/ ,5 5,1 26 D25 12/ / ,5 5,0 26 D35 12/24 TPA 2 29/ ,0 4, D40 12/ / ,0 7,1 26 Dimensions Modell Größe A B C (circa) D* E* F G H J K L M D (214) 161 (109) 39 G M8 LL 11x16 D (286) 194 (101) 39 G M6 LL 11x16 D (284) 191 (99) 39 G M8 LL 11x16 D (359) 119 (119) 39 G1 1/ M8 LL 11x16 D (359) 119 (119) 39 G1 1/ M8 LL 11x16 D (264) 119 (119) 39 G1 1/ M8 LL 11x16 D (359) 119 (119) 39 G1 1/ M8 LL 11x16 D (359) 119 (119) 39 G1 1/ M8 LL 11x16 All dimensions in mm * [+ AM] all dimensions in (...) Ordering Information Serial Code: Model Size: Motor Code: Optional Custom Features: D - 12 V [12] 24 V [24] with: with Blower Fan [B] with Resistplast Coating [+R] PTFE Based Coating [+T] only ports in motor direction Order Code Example: Heat Exchanger, 9 KW, 12 V, sucking DC-fan -> D9-12 Heat Exchanger, 25 KW, 24 V, blowing DC-fan -> D25-24B [+AM] without: without Fan-Unit Cooler Only Cooler without Paint without Support Feet [-FM] [C] [-P] [-F]

5 D Cooler Dimensions D4 To D20 Cooler Dimensions D25 to D40 Standard Scope of supply of Oil-to-Air cooling system Cooler made of painted aluminium Fan unit made of plastic Support feed and fan-shroud (D4) all made of steel (powder coated)

AKG Thermotechnik International GmbH & Co. KG P. O. Box 1346 34363 Hofgeismar, Germany Tel: +49 5671-8 83-0 Fax: +49 5671-35 82 E-Mail: info@akg-group.

6 AKG Thermotechnik International GmbH & Co. KG P. O. Box Hofgeismar, Germany Tel: Fax: Internet: AKG A Strong Globally Integrated Group of Companies AKG is a globally leading supplier of highperformance coolers and heat exchangers as well as customised system solutions that comply with the highest quality standards. On a world-wide scale 2,400 employees work at 13 manufacturing facilities located in Germany, France, Latvia, Turkey, the USA, China, Brasil and India. Together with a number of additional oversea sales companies they are on duty around the clock. The longstanding and competent partnership with global OEM customers from 22 lines of business such as construction machinery, compressedair systems, agricultural and forestry machines, vehicle construction and many other fields of application give fresh and innovative impetus to the mobile and industrial standard type series. AKG operates one of the world s largest research, development, measurement and validation centres for cooling solutions and customised applications. Your AKG-Partner AKG s heat exchangers have stood for innovative solutions as well as highest engineering and manufacturing competence for more than 95 years. Aluminium Coolers Made by AKG DIN EN ISO 9001 AKG 2016 (changes and errors expected)

7 BYPASS SERIES GLOBAL STANDARD COOLER DY

DY Mobile Hydraulic oil-to-air cooling systems with integrated bypass Product Information AKG-Line is a standard line of products from the market leader in high performance aluminium cooling systems.

8 DY Mobile Hydraulic oil-to-air cooling systems with integrated bypass Product Information AKG-Line is a standard line of products from the market leader in high performance aluminium cooling systems. AKG is best known for its world-wide presence, German engineering and extremely reliable product quality on the one hand and very competitive prices on the other hand. The AKG-Line Bypass Series consists of different models for mobile and stationary applications. It is available through our global specialist dealer network. This line of products embraces all-purpose complete cooling systems that comply with European or American Standards, is suited for normal or rugged environmental operating conditions and powered by AC- (AY), DC- (DY) or hydraulic-motor-driven (HY) fans. All of AKG s solutions have been developed with stateof-the-art technology, produced in compliance with the highest quality standards and are comprehensively tested in the company s own research and test facility. Features of the DY series - High-Performance cooling assembly - DC motor powered fan - Avoiding overstraining at cold start conditions and high oil flows - The heat is transferred from the hot medium to the cooling ambient air BENEFITS - Largest and most comprehensive series of mobile hydraulic coolers - Highly flexible, complete ready-to-use cooling packages - Compact design because of integration of bypass - Faster approach of operating temperature - Compact and robust design, field-tested during many years of use in rugged real life conditions - Best heat transfer results per given cooler size due to comprehensive research and development - Highest quality due to professional engineering and in-house manufacturing - Available from stock or at short notice - As a standard equipped with AKG s double-life hollow sections designed to increase cooler life span - Standard equipped with fouling resistant cooling air fins Operating mode of integrated bypass Especially with high oil flows or at cold start conditions (low oil temperatures and high oil viscosities) high pressures can occur in the cooler core. In this case part of the volume flow is bypassing the cooler core through the integrated valve. Like this a sufficient volume flow can be assured for the cooler and lubrication oil circuit - also with high pressure drops. Overstraining of the cooler core will be avoided effectively. - Coolers can be universally used with hydraulic oil, transmission oil, engine oil and lubricating oil - For the cooling of mineral oil, synthetic oil, biological oil as well as HFA, HFB, HFC and HFD liquids (other media on request) - Can be exposed to operating pressures of up to 17 bar and operating temperatures of up to 120 C - Standard design with 2 bar opening pressure bypass valve (other pressures on request) The installation of an external bypass is not necessary reducing costs and mounting space.

DY EASY SIZING DIAGRAM for ENTRaNCE-TEMPERATURE-DIFFERENCE 40 K 45 40 35 DY40 D40 DY35 D35 Heat Rejection [kw] 30 25 20 15 DY25 D25 DY20 D20 DY17 D17 10 5 DY4 D4 DY9 D9 DY11 D11 50 100 150 200 250

Input Data: Example Required Heat Rejection P = 30 kw Oilflow through Cooler V = 170 l/min Oil Inlet Temperature T_Oil 70 C Cooling Airflow Temperature T_CAF 30 C 2.

9 DY EASY SIZING DIAGRAM for ENTRaNCE-TEMPERATURE-DIFFERENCE 40 K DY40 D40 DY35 D35 Heat Rejection [kw] DY25 D25 DY20 D20 DY17 D DY4 D4 DY9 D9 DY11 D Oilflow [l/min] 300 Selection by Specific Heat Rejection 1. Input Data: Example Required Heat Rejection P = 30 kw Oilflow through Cooler V = 170 l/min Oil Inlet Temperature T_Oil 70 C Cooling Airflow Temperature T_CAF 30 C 2. Determination of Specific Heat Rejection: Entering-Temperature-Difference ETD = 70 C - 30 C = 40 K Required Specific Heat Rejection P/ETD 30 kw/40 K = 0,75 kw/k 3. Select According to Diagram and Result: Next higher curve DY 35 SPECIFIC HEAT REJECTION 1,0 DY40 D40 P/ETD [kw/k] 0,8 0,6 0,4 DY35 DY35 D35 DY25 D25 DY20 D20 DY17 D17 0,2 DY9 D9 DY11 D11 DY4 D Oilflow [l/min] 300 The AKG-Line Selection Software, which is available free of charge will guide you through the cooler model selection process in simple steps and will recommend the optimal AKG cooling package for your application:

10 DY Technical Data Modell Size Motor Voltage (V) Metri-Pack 630 Female Plug Data Number of fans Approx. Current Consumption per Fan (A) Approx. Noise Level (db(a), 1m) Approx. Net Weight of Assembly (kg) Valve opening pressure (bypass) (bar) Volume (l) Working Pressure (bar) DY4 12/24 1 8/4 80 6,4 2,0 1,4 17 DY9 12/24 Female Connector / ,3 2,0 1,4 17 DY11 12/ / ,3 2,0 1,8 17 DY17 12/24 Contact / ,2 2,0 2,7 17 DY20 12/24 Seal 1 29/ ,5 2,0 5,1 17 DY25 12/ / ,5 2,0 5,0 17 DY35 12/24 TPA 2 29/ ,0 2,0 4, DY40 12/ / ,0 2,0 7,1 17 Dimensions Model Size A B C (approx.) D* E* F G H J K L M DY (214) 161 (109) 39 G M8 LL 11x16 DY (286) 194 (101) 39 G M6 LL 11x16 DY (284) 191 (99) 39 G M8 LL 11x16 DY (359) 119 (119) 39 G1 1/ M8 LL 11x16 DY (359) 119 (119) 39 G1 1/ M8 LL 11x16 DY (264) 119 (119) 39 G1 1/ M8 LL 11x16 DY (359) 119 (119) 39 G1 1/ M8 LL 11x16 DY (359) 119 (119) 39 G1 1/ M8 LL 11x16 All dimensions in mm * [+ AM] all dimensions in (...) Ordering Information Serial Code: Model Size: Motor Code: Optional Custom Features: DY - 12 V [12] 24 V [24] with: with Blower Fan [B] with Resistplast Coating [+R] PTFE Based Coating [+T] only ports in motor direction [+AM] Order Code Example: Heat Exchanger, 9 KW, 12 V, sucking DC-fan, Bypass (2bar) -> DY9-12 Heat Exchanger, 25 KW, 24 V, blowing DC-fan, Bypass (2bar) -> DY25-24B without: without Fan-Unit Cooler Only Cooler without Paint without Support Feet [-FM] [C] [-P] [-F]

11 DY Cooler Dimensions Dy4 To Dy20 Cooler Dimensions Dy25 to Dy40 Standard Scope of supply of Oil-to-Air cooling system Cooler made of painted aluminium with Bypass Fan unit made of plastic Support feed and fan-shroud (DY4) all made of steel (powder coated)

12 AKG Thermotechnik International GmbH & Co. KG P. O. Box Hofgeismar, Germany Tel: Fax: Internet: AKG A Strong Globally Integrated Group of Companies AKG is a globally leading supplier of highperformance coolers and heat exchangers as well as customised system solutions that comply with the highest quality standards. On a world-wide scale 2,400 employees work at 14 manufacturing facilities located in Germany, France, United Kingdom, Latvia, the U.S.A., China and India. Together with a number of additional oversea sales companies they are on duty around the clock. The longstanding and competent partnership with global OEM customers from 22 lines of business such as construction machinery, compressedair systems, agricultural and forestry machines, vehicle construction and many other fields of application give fresh and innovative impetus to the mobile and industrial standard type series. AKG operates one of the world s largest research, development, measurement and validation centres for cooling solutions and customised applications. Your AKG-Partner AKG s heat exchangers have stood for innovative solutions as well as highest engineering and manufacturing competence for more than 95 years. Aluminium Coolers Made by AKG DIN EN ISO 9001 AKG 08/2015 (changes and errors expected)

GLOBAL STANDARD COOLER

GLOBAL STANDARD COOLER COOLER H H OIL-To-AIR COOLING SYSTEMS WITH HYDRAULIC MOTOR Product Information AKG-Line is a standard line of products from the market leader in high performance aluminium cooling systems. AKG is best