Our Video
Venttech is a company engaged in refrigeration equipment development, design, production, sales and installation of high-tech enterprises. In the early 21st century, Venttech set up factory in Shanghai and adopt foreign advanced technology. Venttech has more than 15 years experience in developing refrigeration equipment such as water chillers, cooling towers and dry coolers. Till now, our refrigeration equipments have exported to more than 30 countries.
Share
Hot Products
-
Water-cooled Screw Chiller(-25℃)Products Features 1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time. 2.Four stage volume control or 0%-100% automatic regulation. 3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese
0 -
150kw Water Cooled Screw Chiller UnitProducts Features 1.Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time. 2.Four stage volume control or 0%-100% automatic regulation. 3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese h
1
Contact Us
- Contacter: Mr. Jason
- Tel: 0086-21-55890292
- Fax: 0086-21-55890297
- Email: marketing3@venttk.com
-
Company Address:
Building No.1, No. 619, Longchang Road, Yangpu District, Shanghai
Products
Water Cooled Screw Chiller
1. Compressor: adopt international brand semi closed 5:6 non symmetrical double screw type air cooled special type compressor.
2. Heat exchanger: evaporator use high efficient shell and tube heat exchanger, condenser use high efficiency copper pipe+hydrophilic aluminum fin; with high pressure, high heat transfer efficiency, maintenance free, long service life, etc.;
3. Control system: using SIEMENS control system, advanced PLC control technology, can accept the programming, perfect communication function;
4. The electrical system: SIEMENS, Schneider and other national brands of electrical components, waterproof type control cabinet;
5. Man-machine interface: Chinese and English man-machine interface, touch type liquid crystal display operation, simple procedures, one key to start, automatic operation;
6. Chiller maintenance: chiller adopts integral design, compact structure, simple, strong corrosion resistance, with waterproof control cabinet, to ensure that the unit can be placed outside the long-term is not easy to fade, corrosion.
7. The choice of environmental protection type R407C or R134a refrigerant.
Water-cooled Screw Chiller(-25℃)
Products Features
1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Complete breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
5.Wider range of varibale chilled water temperature to meet the low temperature industrial requirements.
Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Pump/Cooling tower control
4.Special power supply
5.Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Condenser: fouling factor 0.044m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
Compressor
Select semi-closed 5:6 asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the lastest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency. Motor chamber compression chamber integrally cast, high precision. Double pressure compensated rotor housing, very strong, no expansion even in the state of high pressure, and it effectively reduces the noise.
Heat exchanger
The condenser and evaporator of this series unit adopts shell and tube heat exchanger, using new high efficient heat exchanger structure. Heat exchanger adopts the most advanced and effcient heat exchanger tube bundle with unique geometric characteristics and enhanced tube nucleate boiling required vaporization core, strengthen the fluid in the tube and delay perturbationat the same time, the water side fouling, heat transfer enhanment, the inside wall in order to get the best performace, comparade to the previous design, the unique design of the heat transfer efficiency is increased by 30%.
Evaporator evapotation tube with inner grooved on outer concave tooth enhanced heat transfer technology, condenser tube with inner grooved cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and improve the energy efficiency ratio for the unit.
PLC
A good Chinese-English interactive interface is to achieve automatic control function before the LCD display real-time statues of the machine work, precise monitoring unit operating at optimun state, the touch pannel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with cooling pumps, cooling water pumps and cooling tower fan interlock control function.
Water Cooled Screw Cascade Chiller(-55℃）
Products Features
This series chiller lowest outlet water temperature can reach -80℃.
Low temperature and super low temperature chiller is our technical staff after decades of experience in the designing of middle low temperature chiller, learned domestic and abroad experience, has the advantages of high efficiency, energy saving and environmental protection, high reliability etc..
1. Wide temperature range: refrigerant temperature range is -35~-80℃.
2. High reliability: the semi hermetic screw compressor, improve the efficiency of the compressor operation, while avoiding the open type compressor leak, reducing refrigerant add and seal replacement, upgrade products for many years running.
3. Full automatic control: the use of advanced SIEMENS PLC control technology to achieve full automatic operation.
4. Energy-efficient: The use of semi hermetic screw compressor with economizer operation, improve the operation efficiency, at the same time, low temperature and intermediate level using efficient imported heat exchanger, to ensure that the unit load and full load can be efficient and energy saving operation
5. Energy regulation: mahcine can realzie 4 level 25-50-75-100% and 25%~100% stepless regulation.
6. Professional and technical energy saving operation scheme: according to the different requirements of customers, we can customize the freezing technology for customers, to provide the appropriate professional products.
150kw Water Cooled Screw Chiller Unit
Products Features
1.Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Complete breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
5.Wider range of varibale chilled water temperature to meet the low temperature industrial requirements.
Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Pump/Cooling tower control
4.Special power supply
5.Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Condenser: fouling factor 0.044m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
Compressor
Select semi-closed 5:6 asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the lastest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency. Motor chamber compression chamber integrally cast, high precision. Double pressure compensated rotor housing, very strong, no expansion even in the state of high pressure, and it effectively reduces the noise.
Heat exchanger
The condenser and evaporator of this series unit adopts shell and tube heat exchanger, using new high efficient heat exchanger structure. Heat exchanger adopts the most advanced and effcient heat exchanger tube bundle with unique geometric characteristics and enhanced tube nucleate boiling required vaporization core, strengthen the fluid in the tube and delay perturbationat the same time, the water side fouling, heat transfer enhanment, the inside wall in order to get the best performace, comparade to the previous design, the unique design of the heat transfer efficiency is increased by 30%.
Evaporator evapotation tube with inner grooved on outer concave tooth enhanced heat transfer technology, condenser tube with inner grooved cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and improve the energy efficiency ratio for the unit.
PLC
A good Chinese-English interactive interface is to achieve automatic control function before the LCD display real-time statues of the machine work, precise monitoring unit operating at optimun state, the touch pannel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with cooling pumps, cooling water pumps and cooling tower fan interlock control function.
Application
Chemical, chemical fiber, plastic, oil, food, pharmaceutical, military, printing, painting, electroplating, electronics and other industries
Air-cooled Screw Chiller(7℃)
Products Features
1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Perfect breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Whole heat recovery/partial heat recovery
4.Pump control
5.Special power supply
6.Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
The unit uses high efficiency heat exchanger with advanced, unique shape design and systems. Units can be installed directly on the roof, or other well-ventilated place outdoors, without a separate room, space saving construction. Compact shape, appearance, unit uses “W” type coil design, space utilization, small unit size, in order to adapt to the outdoor weather conditions to ensure that the unit has a good operating results during the life cycle.
Friendy choose to use environmentally R407C, R134A or R410A refrigerant ect.
There may be change of the dimensions without pre notice. For accurate you are welcome to ask us for installing drawing.
Air-cooled Scroll Chiller Box Type
Products Features
1. Scroll hermetic compressor: international brand with free maintenance.
2.Electrical elements and refrigeration components are used from world-renowned brand.
3.Industrial and durable design, with stainless stell water tank and high-lift pumps.
4.Perfect breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
Friendly choose to use environmentally R407C, R134A or R404A refrigerant ect.
Dry Cooler D3 Series
Air discharge direction
Performance ranges
Cooling capacity: from 42 to 607 kw
Air volume: from 21454 to 227449 m3/h
Sound pressure level: from 50 to 62 dB A(10m)
Dry coolers:customized on demand
High efficiency heat exchanger
Capacity designs for maximizing the heat transfer relative to the energy consumption of the fan.
Tube and tube coupling design for low pressure drop in the coil on the media sides(maximum 100KPa at water designing condition).
Our thermodynamic and aerodynamic designing software is long year tested and proved in Germany
Fan
Only choose low specific energy consumption fans.
Fan nozzle designs for maximum air flow and air throw.
Our fans from the world`s leading manufacturer are practically proved to be reliable in operation and long lasting.
Motor: protection class IP 54 and insulation class F.
Voltage：400V/3N/50Hz
Air separator for each fan.
Testing
Heat exchangers are supplied clean and tested at a pressure of 30 bars
Options
Coil design refrigerant: water, oil, glycol.
Multiple circuits.
Sub-cooling circuits.
Stainless steel or aluminum casing.
Coated aluminum or copper fins.
Explosion ploof motor.
Customized fin spacing.
Dry Cooler D2 Series
Air discharge direction
Performance ranges
Cooling capacity: from 148 to 921 kw
Air volume: from 76459 to 351663 m3/h
Sound pressure level: from 64 to 73 dB A(10m)
Dry coolers:customized on demand
High efficiency heat exchanger
Capacity designs for maximizing the heat transfer relative to the energy consumption of the fan.
Tube and tube coupling design for low pressure drop in the coil on the media sides(maximum 100KPa at water designing condition).
Our thermodynamic and aerodynamic designing software is long year tested and proved in Germany
Fan
Only choose low specific energy consumption fans.
Fan nozzle designs for maximum air flow and air throw.
Our fans from the world`s leading manufacturer are practically proved to be reliable in operation and long lasting.
Motor: protection class IP 54 and insulation class F.
Voltage：400V/3N/50Hz
Air separator for each fan.
Testing
Heat exchangers are supplied clean and tested at a pressure of 30 bars
Options
Coil design refrigerant: water, oil, glycol.
Multiple circuits.
Sub-cooling circuits.
Stainless steel or aluminum casing.
Coated aluminum or copper fins.
Explosion ploof motor.
Customized fin spacing.
Water Cooled Screw Chiller
1. Compressor: adopt international brand semi closed 5:6 non symmetrical double screw type air cooled special type compressor.
2. Heat exchanger: evaporator use high efficient shell and tube heat exchanger, condenser use high efficiency copper pipe+hydrophilic aluminum fin; with high pressure, high heat transfer efficiency, maintenance free, long service life, etc.;
3. Control system: using SIEMENS control system, advanced PLC control technology, can accept the programming, perfect communication function;
4. The electrical system: SIEMENS, Schneider and other national brands of electrical components, waterproof type control cabinet;
5. Man-machine interface: Chinese and English man-machine interface, touch type liquid crystal display operation, simple procedures, one key to start, automatic operation;
6. Chiller maintenance: chiller adopts integral design, compact structure, simple, strong corrosion resistance, with waterproof control cabinet, to ensure that the unit can be placed outside the long-term is not easy to fade, corrosion.
7. The choice of environmental protection type R407C or R134a refrigerant.
Water-cooled Screw Chiller(-25℃)
Products Features
1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Complete breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
5.Wider range of varibale chilled water temperature to meet the low temperature industrial requirements.
Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Pump/Cooling tower control
4.Special power supply
5.Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Condenser: fouling factor 0.044m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
Compressor
Select semi-closed 5:6 asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the lastest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency. Motor chamber compression chamber integrally cast, high precision. Double pressure compensated rotor housing, very strong, no expansion even in the state of high pressure, and it effectively reduces the noise.
Heat exchanger
The condenser and evaporator of this series unit adopts shell and tube heat exchanger, using new high efficient heat exchanger structure. Heat exchanger adopts the most advanced and effcient heat exchanger tube bundle with unique geometric characteristics and enhanced tube nucleate boiling required vaporization core, strengthen the fluid in the tube and delay perturbationat the same time, the water side fouling, heat transfer enhanment, the inside wall in order to get the best performace, comparade to the previous design, the unique design of the heat transfer efficiency is increased by 30%.
Evaporator evapotation tube with inner grooved on outer concave tooth enhanced heat transfer technology, condenser tube with inner grooved cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and improve the energy efficiency ratio for the unit.
PLC
A good Chinese-English interactive interface is to achieve automatic control function before the LCD display real-time statues of the machine work, precise monitoring unit operating at optimun state, the touch pannel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with cooling pumps, cooling water pumps and cooling tower fan interlock control function.
Water Cooled Screw Cascade Chiller(-55℃）
Products Features
This series chiller lowest outlet water temperature can reach -80℃.
Low temperature and super low temperature chiller is our technical staff after decades of experience in the designing of middle low temperature chiller, learned domestic and abroad experience, has the advantages of high efficiency, energy saving and environmental protection, high reliability etc..
1. Wide temperature range: refrigerant temperature range is -35~-80℃.
2. High reliability: the semi hermetic screw compressor, improve the efficiency of the compressor operation, while avoiding the open type compressor leak, reducing refrigerant add and seal replacement, upgrade products for many years running.
3. Full automatic control: the use of advanced SIEMENS PLC control technology to achieve full automatic operation.
4. Energy-efficient: The use of semi hermetic screw compressor with economizer operation, improve the operation efficiency, at the same time, low temperature and intermediate level using efficient imported heat exchanger, to ensure that the unit load and full load can be efficient and energy saving operation
5. Energy regulation: mahcine can realzie 4 level 25-50-75-100% and 25%~100% stepless regulation.
6. Professional and technical energy saving operation scheme: according to the different requirements of customers, we can customize the freezing technology for customers, to provide the appropriate professional products.
150kw Water Cooled Screw Chiller Unit
Products Features
1.Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Complete breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
5.Wider range of varibale chilled water temperature to meet the low temperature industrial requirements.
Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Pump/Cooling tower control
4.Special power supply
5.Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Condenser: fouling factor 0.044m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
Compressor
Select semi-closed 5:6 asymmetric twin-screw compressor from world-renowned brand. The possibility of shaft seal leakage is zero. Using a rotating exhaust design, the lastest development of the fourth generation line, optimize the circumference speed, excellent design of gear so that the unit has higher compression efficiency. Motor chamber compression chamber integrally cast, high precision. Double pressure compensated rotor housing, very strong, no expansion even in the state of high pressure, and it effectively reduces the noise.
Heat exchanger
The condenser and evaporator of this series unit adopts shell and tube heat exchanger, using new high efficient heat exchanger structure. Heat exchanger adopts the most advanced and effcient heat exchanger tube bundle with unique geometric characteristics and enhanced tube nucleate boiling required vaporization core, strengthen the fluid in the tube and delay perturbationat the same time, the water side fouling, heat transfer enhanment, the inside wall in order to get the best performace, comparade to the previous design, the unique design of the heat transfer efficiency is increased by 30%.
Evaporator evapotation tube with inner grooved on outer concave tooth enhanced heat transfer technology, condenser tube with inner grooved cutter teeth technology, improves the evaporator and condenser heat transfer efficiency and the evaporation temperature, and improve the energy efficiency ratio for the unit.
PLC
A good Chinese-English interactive interface is to achieve automatic control function before the LCD display real-time statues of the machine work, precise monitoring unit operating at optimun state, the touch pannel sealed, waterproof, dustproof, corrosion-resistant, long-key life. Equipped with cooling pumps, cooling water pumps and cooling tower fan interlock control function.
Application
Chemical, chemical fiber, plastic, oil, food, pharmaceutical, military, printing, painting, electroplating, electronics and other industries
Air-cooled Screw Chiller(7℃)
Products Features
1. Twin screw compressor brand is employed, with high efficiency, low noise level, less wearing and long operation time.
2.Four stage volume control or 0%-100% automatic regulation.
3.Use PLC microcomputer control from Germany SIEMENS. LCD touch screen, both English and Chinese human-machina intertace.
4.Perfect breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
Product options
1.Salt water evaporator
2.Stepless energy regulation
3.Whole heat recovery/partial heat recovery
4.Pump control
5.Special power supply
6.Remote communication connector
Product specfication
Refrigerant: R22/R407C
Evaporator max water pressure drop: 1.0Mpa
Evaporator: fouling factor 0.018m2.℃/KW
Power supply: 380V/3P/50Hz
Allowable voltage fluctuate: ±5%
Allowable frequency fluctuate: ±2%
The unit uses high efficiency heat exchanger with advanced, unique shape design and systems. Units can be installed directly on the roof, or other well-ventilated place outdoors, without a separate room, space saving construction. Compact shape, appearance, unit uses “W” type coil design, space utilization, small unit size, in order to adapt to the outdoor weather conditions to ensure that the unit has a good operating results during the life cycle.
Friendy choose to use environmentally R407C, R134A or R410A refrigerant ect.
There may be change of the dimensions without pre notice. For accurate you are welcome to ask us for installing drawing.
Air-cooled Scroll Chiller Box Type
Products Features
1. Scroll hermetic compressor: international brand with free maintenance.
2.Electrical elements and refrigeration components are used from world-renowned brand.
3.Industrial and durable design, with stainless stell water tank and high-lift pumps.
4.Perfect breakdown protection: high and low pressure protection, air discharge protection, oil level protection, water flow protection, reverse and lack phase protection, chilled water anti-freezing protection, cooling water overheat protection.
Friendly choose to use environmentally R407C, R134A or R404A refrigerant ect.
Dry Cooler D3 Series
Air discharge direction
Performance ranges
Cooling capacity: from 42 to 607 kw
Air volume: from 21454 to 227449 m3/h
Sound pressure level: from 50 to 62 dB A(10m)
Dry coolers:customized on demand
High efficiency heat exchanger
Capacity designs for maximizing the heat transfer relative to the energy consumption of the fan.
Tube and tube coupling design for low pressure drop in the coil on the media sides(maximum 100KPa at water designing condition).
Our thermodynamic and aerodynamic designing software is long year tested and proved in Germany
Fan
Only choose low specific energy consumption fans.
Fan nozzle designs for maximum air flow and air throw.
Our fans from the world`s leading manufacturer are practically proved to be reliable in operation and long lasting.
Motor: protection class IP 54 and insulation class F.
Voltage：400V/3N/50Hz
Air separator for each fan.
Testing
Heat exchangers are supplied clean and tested at a pressure of 30 bars
Options
Coil design refrigerant: water, oil, glycol.
Multiple circuits.
Sub-cooling circuits.
Stainless steel or aluminum casing.
Coated aluminum or copper fins.
Explosion ploof motor.
Customized fin spacing.
Dry Cooler D2 Series
Air discharge direction
Performance ranges
Cooling capacity: from 148 to 921 kw
Air volume: from 76459 to 351663 m3/h
Sound pressure level: from 64 to 73 dB A(10m)
Dry coolers:customized on demand
High efficiency heat exchanger
Capacity designs for maximizing the heat transfer relative to the energy consumption of the fan.
Tube and tube coupling design for low pressure drop in the coil on the media sides(maximum 100KPa at water designing condition).
Our thermodynamic and aerodynamic designing software is long year tested and proved in Germany
Fan
Only choose low specific energy consumption fans.
Fan nozzle designs for maximum air flow and air throw.
Our fans from the world`s leading manufacturer are practically proved to be reliable in operation and long lasting.
Motor: protection class IP 54 and insulation class F.
Voltage：400V/3N/50Hz
Air separator for each fan.
Testing
Heat exchangers are supplied clean and tested at a pressure of 30 bars
Options
Coil design refrigerant: water, oil, glycol.
Multiple circuits.
Sub-cooling circuits.
Stainless steel or aluminum casing.
Coated aluminum or copper fins.
Explosion ploof motor.
Customized fin spacing.
