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A Box Cooler is a cooling system which finds growing application both for inland and sea going ships.
The unique characteristic of box cooling
Cooling water is forced through a U-tube-bundle, which is placed in a sea-chest having inlet- and outlet-grids. The cooling effect is reached by natural circulation of the outboard water in the sea-chest or by a circulation due to the speed of the vessel. The outboard water is heated and rises by its lower density, thus causing a natural upward circulation
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APEX high-perfprmance water coolers are freestanding and compact. Thy are designed and installed to control specialist processes ( electro-spindles, linear motors, laser, electron guns, vacuum pumps, etc ).
Special coolers have been developed for coolant fluids (emulsion and cutting oil).
RLA RLE and RLH range : 6-175 KW cooling power.
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VWK/1 Cooling-water recooler
Standard equipment
Water level control
Stainless steel frame
Stainless steel coil evaporator
Chiller IP 54
Operating temp. 37° C max. ambient
High tech scoll compressor / low noise
High efficiency air cooled condensor
Digital thermostat hysteresis +/- 1,0 K
Refrigerant circuit with TÜV approved low and high
pressure switch
By-Pass valve
Draining through water level control
All systems with control transformer. no neutral required
Environment friendly refridgerant R407C
CH-pump with carbide / carbide shaft seal
Panels in RAL colour on request
Options
DC voltage - control circuit
Drain valve for tank
Water outlet manometer
Water level switch for pump-protection
Winter start up regulation (0-50-100%)
Common alarm (potential free)
Special voltage
Flow switch
Common alarm (potential free)
Water set point 40° C max.
Hand shut off valve between
tank and pump
Wire labelling
Harting connectors / plugs
Refrigerant R 134 A
Non return valve magnetic valve
Hysteresis /- 0,3 K
Air filter
Stop process with low/high temperature alarm
CR-pump for pressure above 3 bar with
carbide / carbide shaft seal
Stainless steel piping
Operating temperature > 37° C ambient
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APEX high-perfprmance water coolers are freestanding and compact. Thy are designed and installed to control specialist processes ( electro-spindles, linear motors, laser, electron guns, vacuum pumps, etc ).
Special coolers have been developed for coolant fluids (emulsion and cutting oil).
RLA RLE and RLH range : 6-175 KW cooling power.
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Offering exceptional performance levels in terms of efficiency, the units in the new series are able to exploit low ambient air temperature conditions whenever available - all year round. The new range, which extends the existing line of air conditioning units, has been specifically engineered to provide the exceptional reliability demanded in industrial application. Although the maximum saving in energy is obtained during continuous operation of the systems for 24 hours/day, chillers equipped with free-cooling allow very substantial power consumption savings even with short periods of operation, while also guaranteeing longer life expectancy and reduced maintenance requirements when compared to conventional chillers. The operating methods utilized guarantee energy savings typically in excess of 40% with respect to conventional units.
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The refrigerant circuits feature a mono compressor, bi-compressor, or trio compressor in tandem configuration with welds executed using silver alloy weld material. Refrigerant circuit components:
Expansion capillary tube (001 ÷ 004);
Mechanical or electronic lamination valve (005 ÷ 930);
Shut-off valves (optional);
Filter/filters drier;
Liquid and moisture indicator;
Muffler;
Desuperheaters or recovery condensers to produce hot water (opt.):
Safety pressure switches on high pressure (005÷930) and low pressure sides (022÷930);
Pressure connections for charging and discharging refrigerant fluid;
Clearly visible dual scale pressure gauges (opt);
Condenser coil protective guard;
Electrical panel ventilation (opt.);
Pre-painted condenser coils (opt.);
Built-in free cooling coils (ECF);
Heating pump (ECH);
Check valve (opt.);
Cycle inversion valve (opt.);
Phase advancing condensers (opt.).
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High-capacity air-cooled chiller for cooling of commercial, industrial or healthcare facilities. May be connected to emitters such as terminal units (e.g. fan coil units and water cassettes) or air handling units. Designed as standard for outdoor installation without any special weather protection.
15 models available in 3 versions
- LX : Cooling-only without hydraulic system
- LXC : Cooling-only with hydraulic system, without tank
- LXH : Cooling-only version with complete hydraulic system and tank
Cooling capacity : 230 to 900 kW
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Dynaciat
Chiller connectable to groundwater or underground loops or a medium-capacity dry cooler or cooling tower to cool residential buildings and commercial, industrial and healthcare facilities. May be connected to emitters such as underfloor heating and cooling systems, terminal units (such as fan coil units and water cassettes) or air handling units. Designed as standard for installation in heated or insulated enclosed rooms.
15 models available
Cooling capacity: 35 to 350 kW
- LG: With air-cooled condenser,
- LGN: Without condenser, may be connected to a dry air cooler.
- R410A refrigerant,
- Compact, space-efficient unit,
- Fully encased in a housing constructed of detachable coated metal panels,
- One or two independent refrigerant circuits,
- One to four new-generation, high-efficiency scroll compressors,
- Water-cooled brazed plate heat exchangers,
- User-friendly CONNECT microprocessor-based controller with many self-regulating functions,
- Communication with BMS via an RS-485 interface (Modbus/Jbus) as standard.
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Air condensing chiller (option water condenser) designed for spot cooling or centralised cooling system . Range from 1 to 350 KW monobloc factory equiped with tank and pump. Numerous options allowed adaptable to each process .
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The compact, high efficiency, low noise and low vibration design if further enhanced with the on board Hitachi microcomputer, allowing extremely accurate set point control. As would be expected from one of the leading names in the industry, the Hitachi Samurai Range includes a multi-point fault and alarm system, through the 4, 7 segment LCD displays.
- R407c Refrigerant
- hitachi Screw Compressor
- Modulating Capacity Control 25-100%
- Plate Heat Exchanger
- Economiser Circuit
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Aquaciat Power
High-capacity air-cooled chiller for cooling of commercial, industrial or healthcare facilities. May be connected to emitters such as underfloor heating and cooling systems, terminal units (such as fan coil units and water cassettes) or air handling units. Designed as standard for outdoor installation without any special weather protection.
- R-410A refrigerant,
- Compact unit takes up little ground space,
- Fully encased in a housing constructed of coated metal panels that can be detached for outdoor installation,
- Two independent refrigerant circuits,
- Four to six new-generation, high-efficiency scroll compressors,
- Water-cooled brazed-plate heat exchanger,
- Six to eight propeller fans,
- User-friendly CONNECT microprocessor-based controller with many self-regulating functions,
- Total or partial energy recovery.
- Communication with BMS via an RS-485 interface (Modbus/Jbus) as standard.
Four models available
Cooling capacity: 330 to 500 kW
- LD: Without hydraulic system,
- LDC: With hydraulic system, without tank,
- LDH: With complete hydraulic system and tank.
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The Water Cooled Cooling Only Chillers RCUE WG2 are available in wide range from 40 to 240 Hp (134 to 696kW) each unit incorporates the latest developments in screw compressor technology. The compressor's continuous capacity control allows for a 15 to 20% energy saving over step control, this along with the unique electronic control system enables the chiller to precisely maintain a constant outlet temperature independent of cooling load. This benefits not only air conditioning but also industrial process use.
- Screw compressor highly reliable with very low noise and vibration
- Continuous capacity control allows for a 15 to 20% energy saving over step control
- Outlet water temperature controlled precisely independent of cooling load
- Plate type heat exchanger, increased efficiency but with less refrigerant
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The HLA range of air cooled water chillers offers the most advanced design to satisfy today's industrial cooling equipment requirements.
The entire range is packed with the latest technology and assembled with components developed with our world-renowned manufacturing partners including Maneurop, Danfoss, Siemens and Grundfos.
Industrial Applications:
* Plastics & Rubber
* Chemical
* Pharmaceutical
* MRI Machines
* Food Manufacturing
* Breweries
* Printers
* Engineering
* Lasers
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Koolant Koolers C Series chillers are an all-in-one package, including the refrigeration circuit, tank and pump - all sized to suit your cooling needs. This unit is available in one to hundreds of tons of cooling, utilizing multi-module cooling of your water application. This design is also well-suited to be utilized with indirect cooing with heat exchanger packages for all fluid types, including acid and coating technologies. The C Series utilizes a submersed copper coil heat exchanger to offer extra freeze protection in situations where glycol cannot be used in your water.
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Polytech has years of experience integrating cooling with our filtration systems to meet exacting process requirements. We can size and provide heat exchangers or immersion coils and controls for use with plant chilled water systems or provide stand alone air cooled liquid chillers for temperature control.
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30RA Outdoor Air Cooled Central Chillers 10-60 Tons
Outdoor Series, air-cooled central chillers from Sterling are designed for exterior installation, freeing up valuable indoor equipment space. Featuring premium quality scroll compressors, there are 11 models available with cooling capacities from 10-60 tons.
* Hermetic scroll compressors
* Direct expansion type brazed plate evaporator(s)
* Aluminum fin/copper tube condenser with direct drive reinforced polymer fans
* Standard ambient operation from -20ºF to 125ºF (-29ºC to 52ºC). Wind baffles required for -20ºF operation
* R-22 refrigerant
* Safeties include: high and low refrigerant, freezestat, phase loss, motor overload, and reverse rotation of the compressor
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COOLMAX Compact Chillers
Powerful, compact air cooled chillers with 10 kW to 90 kW cooling capacity
Reliable WITTMANN microprocessor controller
Large surfaced built in air condenser with fan neck
Automatic filling visual control via sight glass
3–7 kW centrifugal pumps with flow volume of 14 cubic meters per hour
Hermetically welded quality compressors
Anti-freeze control
Pressure relieve valve in the cooling circuit
* For each model there are 5 and 7 kW pumps with larger flow rates available.
* The pumps are protected with a motor protective relay and with a bypass line to prevent too high pressure in the line.
* In the condenser the aluminum fins are generously spaced to prevent accumulation of dust.
* Moreover the copper piping in the compressor line has few welded parts and is formed in order to prevent leakage.
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The new Piovan Digitemp Thermorefrigerators heat and cool the process circuit of injection and blow moulding machines. They integrate both temperature control and free-cooling functions, and provide water to every single circuit at specific temperature (from -5°C to +90°C for every single circuit), pressure and water flow.
Advantages:
Significant reduction of energy consumption
The combination of compressors with digital technology and the electronic expansion valve - installed in all the Digitemp models in their standard version - ensures the greatest energy efficiency. Moreover, the exclusive Piovan solution which does not require an internal re- circulating pump further increases energy savings.
Reduced running costs
Thanks to the possibility to use the free-cooling system included in the standard unit, they can provide water coming from the dry cooler or the evaporation tower.
Ultra-compact design
With a floor dimension of only 0.4 m2 and a height of 108 cm, these models are the most compact units present on the market at the moment.
Realibility and long life
The possibility of power modulation from 10 to 100% allows the compressor to function continuously, thus eliminating the risk of breakdowns and ensuring long duration of the motor.
Maximum flexibility
The Digitemp models represent the ideal solution whenever it is necessary to manage the demands of different temperatures of every single processing machine, with no waste. Available in the single and dual circuit versions, they can be equipped with medium or high pressure pumps, which guarantee adequate water flow and thermal exchanges, in any application.
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Air cooled chillers CA Series
With a cooling capacity from 71 to 871 kW, the CA Series water chiller has been designed to operate in stringent conditions, with ambient air temperatures from -20°C up to +49°C.
Advantages:
- Scroll compressors, significantly reducing energy consumption and noise levels
- Stainless steel brazed-plate evaporators for a highly efficient heat exchange
- Internal water circulation pump for optimal flow (optional)
- Internal galvanized and insulated tank for temperature stability and energy saving
- Various safety devices to protect the unit and guarantee optimal functioning
- Reliable and sophisticated microprocessor control; it displays key water temperature visualisation and alarms in a simple format.
- Green refrigerant R407C, in line with Piovan’s respect towards environmental concerns
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Chiller CGD is a economic machine for cooling process waters in the plastics industry, the mechanical and pharmaceutical industries, welding processes, industrial automation, laser technology, EDM, graphics a nd the textile farm ing and food industries.
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CWK
Standard equipment:
Water level control
Stainless steel frame
Stainless steel coil evaporator
Chiller IP 54
Operating temp. 37° C max. ambient
High tech scoll compressor / low noise
High efficiency air cooled condensor
Digital thermostat hysteresis +/- 1,0 K
Refrigerant circuit with TÜV approved low and high
pressure switch
By-Pass valve
Draining through water level control
All systems with control transformer. no neutral required
Environment friendly refridgerant R407C
CH-pump with carbide / carbide shaft seal
Panels in RAL colour on request
Options:
DC voltage - control circuit
Drain valve for tank
Water outlet manometer
Water level switch for pump-protection
Winter start up regulation (0-50-100%)
Common alarm (potential free)
Special voltage
Flow switch
Common alarm (potential free)
Water set point +40° C max.
Hand shut off valve between
tank and pump
Wire labelling
Harting connectors / plugs
Refrigerant R 134 A
Non return valve + magnetic valve
Hysteresis +/- 0,3 K
Air filter
Stop process with low/high temperature alarm
CR-pump for pressure above 3 bar with
carbide / carbide shaft seal
Stainless steel piping
Operating temperature > 37° C ambient
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Koolant Koolers Model KV
The KV chiller stands for Kool Value. Available in one to ten tons of cooling capacity, this indoor water chiller is simple to use and maintain. The KV model is kept in stock for immediate delivery.
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Grasso has produced a new generation of liquid chillers to meet user needs particularly in the industrial market.
Over the years, the field of application has also been extended to cover the air conditioning sector.
Features
Highest COP values and low operating costs
No ODP and no GWP
Optimim TEWI value
Proven reliability
Low noise and vibration
Low ammonia content
CE conformity
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Centrifugal liquid chiller (water cooled)
This system uses air as a cooling medium and uses no fluorocarbons that destroy the ozone layer. The installed microcomputer achieves high performance and functions for the air conditioning of ordinary buildings, operating processes in plants, communities, and other applications.
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APEX high-perfprmance water coolers are freestanding and compact. Thy are designed and installed to control specialist processes ( electro-spindles, linear motors, laser, electron guns, vacuum pumps, etc ).
Special coolers have been developed for coolant fluids (emulsion and cutting oil).
RLB RLBE and RLBH range : 400 - 6000 KW cooling power.
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* Synoptic of operation on LCD screen
-Display of the exit water temperature
-Status of the Chiller : on/off
-Status of the pump : on /off
* Synoptic of alarm on LCD screen
-Therma alarm of the compressor
-Alarm of low water level in the tank
-High and low alarm of the refrigerant pressure
Ø allow to know and repair the breakdown very quickly and thus reduce at the maximum the downtime.
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Chilly: Cooling water - Industrial compact water chiller
Standard equipment
Waterlevel control outside
Stainless steel coil evaporator
High tech. scroll compressor / low noise
High efficiency air cooled condensor
Digital thermostat hysteresis +/- 1,0 K
Refrigerant circuit with TÜV approved high pressure switch
Chiller IP 44
Operating temperature max. 42° C ambient
Plastic water tank
Draining through water level control
Environment friendly refrigerant R 407 c
Internal by-pass for pump protection
Non ferrous water circuit
CE-Standard / ISO 9001 / EN 60204
Grundfos/Speck pumps
Water connection quick cuppling
Options:
Water outlet manometer
Waterlevel switch for pump-protection
Common alarm (potetial free)
2 x water inlet / outlet
Special voltage
Flow switch
Autom. fresh water supply
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The gwk compact chiller weco with air or watercooled condensers of up to 250 kW cooling capacity are developed in various technical designs and with more than 20 different performance gradings.
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Water cooled chillers CW Series
With a cooling capacity from 71 to 910 kW, the CA Series water chiller has been designed to operate indoor, with water condensing temperature from +17°C to +40°C and cooling water temperature from +5°C to +20°C.
Advantages:
- Scroll compressors, significantly reducing energy consumption and noise levels
- Stainless steel brazed-plate evaporators for a highly efficient heat exchange
- Internal water circulation pump for optimal flow (optional)
- Internal galvanized and insulated tank for temperature stability and energy saving
- Various safety devices to protect the unit and guarantee optimal functioning
- Reliable and sophisticated microprocessor control; it displays key water temperature visualisation and alarms in a simple format.
- Green refrigerant R407C, in line with Piovan’s respect towards environmental concerns
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Water Cooled / Condenserless Chiller Range
Features
6 sizes from 371 to 783kW
Designed for R407c refrigerant
Multiple reciprocating compressor design
Prodialog Plus electronic control and EXV
Heat Machine version available (30HZ"P")
Condenserless version available (30HZ"V"
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