The document describes Lightstream Screw Inverter air-cooled chillers that use inverter screw compressors. They are available in 8 frame sizes with a total of 18 models and various options. Key features include class A energy efficiency from the inverter screw compressors and microchannel condensers, with energy efficiency ratios up to 3.56 and ESEER values up to 5.75 providing high efficiency at both full and partial loads.
LG VRF MULTI V - AIR CONDITIONING SYSTEM. Got ASHRAE Innovation Award and got Largest patents in this segment.
It has various model apt to all type of requirements.
Desuperheating, sometimes called attemperation or steam conditioning, is the reduction of gas temperature. Its most common application is the reduction of temperature in a steam line through the direct contact and evaporation of water. Most Desuperheaters incorporate the venturi design which uses the velocity of the steam to atomize the cooling water. In addition, Ejector Atomizing Desuperheaters, Attemperator Desuperheaters, Surface Absorption Desuperheaters and Mechanical Atomizing Desuperheater designs are available. In most types, water pressure requirements are the same as the steam line pressure.
LG VRF MULTI V - AIR CONDITIONING SYSTEM. Got ASHRAE Innovation Award and got Largest patents in this segment.
It has various model apt to all type of requirements.
Desuperheating, sometimes called attemperation or steam conditioning, is the reduction of gas temperature. Its most common application is the reduction of temperature in a steam line through the direct contact and evaporation of water. Most Desuperheaters incorporate the venturi design which uses the velocity of the steam to atomize the cooling water. In addition, Ejector Atomizing Desuperheaters, Attemperator Desuperheaters, Surface Absorption Desuperheaters and Mechanical Atomizing Desuperheater designs are available. In most types, water pressure requirements are the same as the steam line pressure.
Flowserve manufactures Automax Valve Automation Systems to provide full service valve and damper automation to the worldwide oil and gas, pulp and paper, chemical, processing and energy related industries.
Dekon , onf of the professional supplier and exporter for VRF system in China. Have exported to more than 30 different countries our products. Dekon vrf system brief introduction here just brief intro of our products DRV, any more info needed, pls visit us at dekon-china.com or chinavrf.com
Catalog Máy hàn nhựa Leister, Điện trở nhiệt eMRO
1. Máy hàn nhựa Leister - Loại điện trở nhiệt
- Điện trở nhiệt LE 3000
- Điện trở nhiệt Le 5000
- Điện trở nhiệt LHS 21
- Điện trở nhiệt LE 3300
- Điện trở nhiệt LHS 21
- Điện trở nhiệt LHS 41S / 41L
- Điện trở nhiệt LHS 61S / 61L
This brochure intends to describe functions and possible applications for electric actuators, actuator controls and gearboxes. The document offers an introduction into the topic, an overview on products and founded explanations regarding design and function of electric AUMA actuators. On the rear pages of this brochure, you will find a chapter with detailed technical data
for swift product selection. For device selection, further information can be obtained from our separate product specific data sheets.
Variable refrigerant flow (VRF) is an air-condition system configuration where there is one outdoor condensing unit and multiple indoor units. The term variable refrigerant flow refers to the ability of the system to control the amount of refrigerant flowing to the multiple evaporators (indoor units), enabling the use of many evaporators of differing capacities and configurations connected to a single condensing unit. The arrangement provides an individualized comfort control, and simultaneous heating and cooling in different zones.
Type K Linear and Rotary Damper Actuators - RotorkCTi Controltech
The Type K Range offers rotary and linear pneumatic damper drives for utility power plants, refineries, powerhouse boilers, furnaces and process heaters that require precise combustion air and flue gas handling solutions. The damper drives are available in a wide range of configurations to meet the challenges of industrial applications. Some key features:
- A series offering drop-in-place retrofit, requiring no field engineering or fabrication.
- Improved reliability in high temperature environments
- Rated for 100% duty-cycle, continuous modulating service
- Highly accurate to 0.25% resolution
- Discrete contacts (O/C) and pneumatic, analog or bus network (MOD) communications
Water cooled centrifugal chillers. An exceptionally energy efficient water-cooled chiller range featuring oil-free Turbocor compressors with еconomizers, flooded evaporators and offering a green, low-GWP R1234ze refrigerant. A vast range of Powerstream Turbo models and options provides exibility, tailored precisely to the customer requirements allowing to design truly ecient cooling solutions for
every application.
Powerstream Turbo has been designed for year-round mission-critical service. In a 24/7 world, keeping facilities up and running is critical, and we paid special attention to control
and monitoring functionality, as well as to operational reliability and ease of maintenance. Due to its excellent eciency at part-load conditions, Powerstream Turbo is an excellent
economy solution for applications where the heat load is not constant and/or expected to grow. The synergy of modern technology, eciency and reliability enables Powerstream
Turbo to be used in the most demanding applications.
Flowserve manufactures Automax Valve Automation Systems to provide full service valve and damper automation to the worldwide oil and gas, pulp and paper, chemical, processing and energy related industries.
Dekon , onf of the professional supplier and exporter for VRF system in China. Have exported to more than 30 different countries our products. Dekon vrf system brief introduction here just brief intro of our products DRV, any more info needed, pls visit us at dekon-china.com or chinavrf.com
Catalog Máy hàn nhựa Leister, Điện trở nhiệt eMRO
1. Máy hàn nhựa Leister - Loại điện trở nhiệt
- Điện trở nhiệt LE 3000
- Điện trở nhiệt Le 5000
- Điện trở nhiệt LHS 21
- Điện trở nhiệt LE 3300
- Điện trở nhiệt LHS 21
- Điện trở nhiệt LHS 41S / 41L
- Điện trở nhiệt LHS 61S / 61L
This brochure intends to describe functions and possible applications for electric actuators, actuator controls and gearboxes. The document offers an introduction into the topic, an overview on products and founded explanations regarding design and function of electric AUMA actuators. On the rear pages of this brochure, you will find a chapter with detailed technical data
for swift product selection. For device selection, further information can be obtained from our separate product specific data sheets.
Variable refrigerant flow (VRF) is an air-condition system configuration where there is one outdoor condensing unit and multiple indoor units. The term variable refrigerant flow refers to the ability of the system to control the amount of refrigerant flowing to the multiple evaporators (indoor units), enabling the use of many evaporators of differing capacities and configurations connected to a single condensing unit. The arrangement provides an individualized comfort control, and simultaneous heating and cooling in different zones.
Type K Linear and Rotary Damper Actuators - RotorkCTi Controltech
The Type K Range offers rotary and linear pneumatic damper drives for utility power plants, refineries, powerhouse boilers, furnaces and process heaters that require precise combustion air and flue gas handling solutions. The damper drives are available in a wide range of configurations to meet the challenges of industrial applications. Some key features:
- A series offering drop-in-place retrofit, requiring no field engineering or fabrication.
- Improved reliability in high temperature environments
- Rated for 100% duty-cycle, continuous modulating service
- Highly accurate to 0.25% resolution
- Discrete contacts (O/C) and pneumatic, analog or bus network (MOD) communications
Water cooled centrifugal chillers. An exceptionally energy efficient water-cooled chiller range featuring oil-free Turbocor compressors with еconomizers, flooded evaporators and offering a green, low-GWP R1234ze refrigerant. A vast range of Powerstream Turbo models and options provides exibility, tailored precisely to the customer requirements allowing to design truly ecient cooling solutions for
every application.
Powerstream Turbo has been designed for year-round mission-critical service. In a 24/7 world, keeping facilities up and running is critical, and we paid special attention to control
and monitoring functionality, as well as to operational reliability and ease of maintenance. Due to its excellent eciency at part-load conditions, Powerstream Turbo is an excellent
economy solution for applications where the heat load is not constant and/or expected to grow. The synergy of modern technology, eciency and reliability enables Powerstream
Turbo to be used in the most demanding applications.
Air/water chiller for indoor installation. Suitable for air-conditioning and the production of hot water for medium-sized services in residential and commercial buildings.
Cooling capacity: 51.1 ÷ 306.6 kW
R410A refrigerant
Cooling only
Scroll compressor
Plug fan
Plate exchanger
Heat recovery (Option)
Pump kit (Option)
Water tank (Option)
Lownoise version (Option)
Network operation (Option)
Compatible with ModBus protocol (Option)
Internet connection (Option)
For two pipes plants
Four-way air distribution gives individual comfort while for localized control each diffuser may be adjusted or even shut down completely.
The unique design of centrifugal fan ensures the quiet running of the unit. This thoroughly eliminates the bothering throttle noise inside the room.
Water-water heat pump for indoor installation. Suitable for air-conditioning/heating for small/medium services in residential and commercial buildings. It's also possible to produce domestic hot water.
Cooling capacity: 52.762 ÷ 94.272 kW
Heating capacity: 54.455 ÷ 93.648 kW
R410A refrigerant
Cooling and heating
Scroll compressor
Plate exchanger
Heat recovery (Option)
Pump kit (Option)
Network operation (Option)
Compatible with ModBus protocol (Option)
Internet connection (Option)
For two pipes plants
NLC is a single-circuit or dual-circuit chiller charged with R410a gas. It has directly coupled plug fans with an EC inverter motor to ensure the quietest possible machine operation, scroll compressors with a high yield and low electricity absorption, a plate heat exchanger and a copper/aluminium coil. The machine cools water to supply the distribution system that is usually connected to fan coil type terminals. In addition, NLC can also produce domestic hot water if it is fitted with a desuperheater or total recovery system, so it's ideal for residential and commercial contexts. It can be equipped with a hydronic kit (system side) including an expansion tank, safety valve (water side) and drain valve.
Air compressor in Saudi Arabia the lifeline for the manufacturing industry. Kirloskar’s Air Compressor Systems offers a wide range of compressors in 15 product categories. To bring focused attention and create a Centre of Competence specific to technology, these are subdivided into three categories: Reciprocating Compressors, Screw Compressors, and Centrifugal Compressors. KPCL offers Air Compressors from 30 to 10,000 CFM.
KPCL Reciprocating, Horizontal Balanced Opposed and Piston Compressors are the results of extensive engineering expertise and experience of over five decades in design, manufacturing, supply, and installation of air and gas compressors of various designs, capacities, and pressures for a range of applications.
Our compressor range is known for its minimum power consumption, lower operating temperature, and maximum efficiency, thus achieving overall effectiveness. The compressors are manufactured adhering to stringent quality standards and in keeping with different industrial standards as per customer requirements.
Reciprocating Air Compressor Division offers products for a wide range of market segments such as general engineering to critical operation & processing applications in key sectors like Railways and process industries like Refineries & Petrochemical Industries, PET bottling applications etc For more information, please https://3t-saudi.com
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Using recycled concrete aggregates (RCA) for pavements is crucial to achieving sustainability. Implementing RCA for new pavement can minimize carbon footprint, conserve natural resources, reduce harmful emissions, and lower life cycle costs. Compared to natural aggregate (NA), RCA pavement has fewer comprehensive studies and sustainability assessments.
Industrial Training at Shahjalal Fertilizer Company Limited (SFCL)MdTanvirMahtab2
This presentation is about the working procedure of Shahjalal Fertilizer Company Limited (SFCL). A Govt. owned Company of Bangladesh Chemical Industries Corporation under Ministry of Industries.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Student information management system project report ii.pdf
Sb ls screw-inverter_ver.3.0_en
1. Lightstream Screw
WWW.KALTRA.DE
475-1355kW
AIR-COOLED CHILLERS WITH INVERTER SCREW
COMPRESSORS
CLASS A ENERGY EFFICIENCY
MICROCHANNEL CONDENSERS
INVERTER SCREW COMPRESSORS
AVAILABLE WITH R1234ze
AVAILABLE IN 8 FRAME SIZES, TOTAL 18 MODELS WITH A HUGE ARRAY OF OPTIONS AND ACCESSORIES
EC-FANS MICROCHANNELR134a/R1234ze HEAT RECOVERYSCREW INVERTER
2. LIGHTSTREAM SCREW INVERTER CHILLERS OFFER AN ULTIMATE EFFICIENCY AT BOTH FULL AND PARTIAL LOADS BY COMBINING
FREQUENCY-CONTROLLED SCREW COMPRESSORS AND LATEST FAN AND CONDENSER TECHNOLOGIES APPLIED IN MODULAR
W-BANK DESIGN.
Ultimate efficiency at any cooling load
The benefits at a glance:
ENERGY EFFICIENCY RATIO UP TO 3.56
ESEER UP TO 5.75
CAPACITY ON DEMAND
INTELLIGENT HEAD PRESSURE CONTROL
HIGH EVAPORATION TEMPERATURES
LOW CONDENSING TEMPERATURES
ESEER OF UP TO
5.75
Frequency-controlled screw compressors
The compact frequency-controlled screw compressors of Lightstream Screw Inveter
series chillers are especially suitable for systems that frequently operated under
part-load.
These compressors achieve also impressively high full-load efficiency and significant-
ly improved ESEER and SCOP values. With an average ESEER value of 5.62, Lighstream
Screw Inverter chillers are setting new benchmarks in the industry.
The compressors monitors its own application limits and communicate via Modbus
with the master system controls. The integrated data log can be used at any time to
analyse operation over the running time and optimise the system settings.
Exact capacity match
Capacity (%)
COP
0 20 40 60 80 100
3.03.54.04.55.05.56.0
85%
Efficiency of compressors: COP value
Screw compressor
Inverter screw compressor
Lightstream Screw Inverter
Kaltra Innovativtechnik GmbH
Max-Reger-Str. 44 • 90571 Schwaig • Germany
info@kaltra.de
+49(0)911 715 32021
3. Better heat transfer. Lower condensing temperatures. Higher efficiency.
Microchannel condensing coils
Microchannel condensers used in Lighstream Screw Inverter design give a number of advantages, including
higher heat transfer rate, low airside pressure drops, and closer approach temperatures. The end result is up
to 40% higher energy efficiency in comparison to traditional fin/tube heat exchanger design.
Smaller coil face, thin design, up to 50% less weight, and less refrigerant charge translate to lower system
cost. Microchannel condensers used in Lightstream Screw Inverter chillers are true HVAC coils developed and
optimized especially for refrigeration applications and enable remarkable low condensing temperatures.
The new generation fan system not only reduces power consumption by up to 30% while easily managing the extraordinary high volume
flows – it also works at much reduced operating noise.
The smart fan system includes the unique fans with bionic wing concept, the most advanced EC motor technology, and multifunctional air
diffusers, resulting in an extra economic efficiency for the customers.
EC motor technology does not provide savings only during full-load operation - it is exactly when operating under partial load that EC motors
lose much less of their efficiency.
Intelligent fan system
EC-type fans with reduced power consumption
Lightstream Screw Inverter
Kaltra Innovativtechnik GmbH
Max-Reger-Str. 44 • 90571 Schwaig • Germany
info@kaltra.de
+49(0)911 715 32021
Airflow (%)
Powerinput(%)
25 50 75 100
255075100
Fan motors efficiency comparison
AC fans
EC fans
Savings
energy savings through the use of EEV25%
The electronic expansion valve (EEV) reduces the need for high head
pressure when running at part load and lower ambient conditions.
EEV is controlled by a driver which regulates its opening according
to the performance levels required by the system and guarantees
the minimal overheating under all operating conditions.
The control hub of Lightstream Screw Invefter chillers is
a sophisticated controller and advanced software
developed for efficient operation of the chillers based on
screw compressors. It manages and optimizes the
chiller’s performance, giving the complete control over
the system for plant operator.
4. Lightstream Screw Inverter
Kaltra Innovativtechnik GmbH
Max-Reger-Str. 44 • 90571 Schwaig • Germany
info@kaltra.de
+49(0)911 715 32021
Compressors type V Inverter screw
Nominal capacity kW
Condenser W W-bank microchannel
Condenser size No. of condenser banks
Refrigerant circuits No. of refrigerant circuits
Lightstream Screw Inverter V 600 W 6 / 2
Frame size F5 F6 F7 F8 F9 F10 F11 F12
Length mm 5655 6825 7740 8910 9825 10995 11910 13080
Width mm 2250 2250 2250 2250 2250 2250 2250 2250
Height mm 2550 2550 2550 2550 2550 2550 2550 2550
Frame sizes and model identification
Package, options and accessories
Flooded evaporator
The flooded evaporator enables to operate at the higher saturated evaporating temperature
when compared to many others evaporator types and allows achieving higher cooling capacity
with correspondingly higher efficiency.
The refrigerant pool behaves as a flywheel, allowing the controls of the flooded evaporator to
track the varying load of a batch process, while optimized tube geometry ensures optimal
refrigerant distribution.
We use grooved end connections because of their rigidity, flexibility, noise and vibration attenuation, and easy of installation and
maintenance. The groove is made by cold forming or machining a groove into the end of a pipe. A gasket encompassed by the
coupling housing is wrapped around the two grooved pipe ends, and the key sections of the coupling housing engage the grooves.
The bolts and nuts are tightened with a socket wrench or impact wrench.
Grooved connections
■ Standard feature
□ Optional feature
Description
General
Anti-vibration mounts □
Anti-vibration springs □
Soundproof compressor enclosures ■
High-sided paneling □
Waterside
Pumping group (single/twin pump variable/fixed speed) □
Refrigerant side
Oil cooling system / oil pump □
Electronic expansion valves ■
Airside
AC fans ■
Touch screen HMI □
Electric panel heater □
Compressor power factor capacitor □
Soft-start system (fixed-speed compressor) □
Electric and controls
MCHE electrocoat □
MCHE thermoguard □
MCHE mesh guard □
-10°C brine kit □
Pump(s) antifreeze heater □
Service valves (compr. suction/discharge) □
Pressure indication on high/low pressure sides □
EC fans □
Dual power supply w/ ATS □
BMS connectivity ■
SNMP connectivity □
Energy monitoring □
High ambient kit □
Low noise design (grades 1-4) □
Partial heat recovery system □
Total heat recovery system □
Flowmeter □
Thermal insulation ■
High-efficient fan diffusers □
Sequence management □
Compressor operation indication □
Remote monitoring software □
Pumping group control system □
Safety valves on high/low pressure sides □
R1234ze
Refrigerants with low global warming potential (GWP)
are becoming more and more important in the
refrigeration and air conditioning industry in Europe
and beyond.
R1234ze features low GWP of one and zero ozone
depletion potential, thus providing the environmental
leadership while achieving the best energy
performance levels for applications.