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Dln Engg Systems
location Jeedimetla, Hyderabad, Telangana

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Our Products

  1. Industrial Air Conditioner & Devices 3 Products available

  2. Kitchenware And Cookware

    2 Products available

  3. Air Diffusers

    1 Products available

  4. Ventilation Louvers

    1 Products available

  5. Electric Control Panels

    1 Products available

  6. Electrical Panels & Distribution Box

    1 Products available

  7. Grating

    1 Products available

  8. Air Intakes, Exhaust System & Components

    1 Products available

  9. Audio Video System

    1 Products available

  10. Home Appliance Repair

    1 Products available
  11. Others Products 7 Products available

Our Products

Our product range contains a wide range of Cassette Unit and Filter Module

Split Air Conditioners

Split Air Conditioners

Split Air Conditioners are available in the range of 1.0 TR, 1.5 TR and 2.0 TR

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VRF System

VRF System
VRFs are typically installed with an Air conditioner inverter which adds a DC inverter to the compressor in order to support variable motor speed and thus variable refrigerant flow rather than simply on/off operation. By operating at varying speeds, VRF units work only at the needed rate allowing for substantial energy savings at partial-load conditions. Heat recovery VRF technology allows individual indoor units to heat or cool as required, while the compressor load benefits from the internal heat recovery. Energy savings of up to 55% are predicted over comparable unitary equipment.This also results in greater control of the building's interior temperature by the building's occupants.
VRFs come in two system formats, two pipe and three pipe systems. In a heat pump 2 pipe system all of the zones must either be all in cooling or all in heating. Heat Recovery (HR) systems have the ability to simultaneously heat certain zones while cooling others; this is usually done through a 3 pipe design, with the exception of Mitsubishi which is able to do this with 2 pipes. In this case the heat extracted from zones requiring cooling is put to use in the zones requiring heating. This is made possible because the heating unit is functioning as a condenser, providing sub-cooled liquid back into the line that is being used for cooling. While the heat recovery system has a greater initial cost, it allows for better zoned thermal control of a building and overall greater efficiencies.
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Cassette Unit

Cassette Unit

The Ceiling-Mounted Cassette allows for a simpler installation into architectural ceiling grids; the unit can fit flush into the grid without cutting the ceiling tiles. It is the ideal solution for shops, restaurants or offices with false ceilings as it leaves maximum floor and wall space. Airflow can be sent in any of four directions and the user has the ability to shut down one or two sides so the casette can be easily installed in a corner.

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Chiller Plant

Chiller Plant

Single-effect absorption chillers are commonly installed in large capacity comfort cooling applications that are also served by centrifugal or screw chillers such as office buildings, hospitals and universities as well as manufacturing facilities and light industrial process cooling. They are also often used in hybrid plant applications, which involve both electric and absorption chillers, and are an ideal choice where waste heat is available or where electric rates and/or demand charges are high.

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Filter Module

Filter Module
The filter module provides a simple interface to run external programs on the contents of a start-stop environment. Options are available to run the external program only if the content of the environment have changed, to specify how the program output should be read back, and to choose the name of the temporary files that are created.
The Filter Module has 13 filter modes and many options that you can tweak to get the perfect sound for your project. It includes a complete articulation section that allows you full control over the filter parameters. The module also includes wave shaping distortion with customizable mapping.
The SVF filter is capable of handling 3 filter modes simultaneously - low-pass, band-pass and high-pass.
NOTE:The Filter Mode switch is automatable
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Grating Fabrication

Grating Fabrication
Grating fabrication details comply with industry standards. Consequently, product details relating to grating fabrication are based on industry practices or systems developed over many years of practical applications.
The experience to developed innovative details to cater for specific customer requirements.
Gating is manufactured in numerous combinations of load bar depth and thickness, load bar pitch and cross rod pitch. The full range of standard types of grating are shown on the following web pages. This range should cover the requirements of any customer.
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Industrial LV Panel Boards

Industrial LV Panel Boards

Our A-Series design is an extremely flexible Lighting Panel with over 12, 000 combinations, most available within a 10 day production cycle. The panels comprehensive design, ease of installation and competitive price make it the obvious choice for contractors and consultants.

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Sound Attenuators

Sound Attenuators
In ventilation systems, noise stems from a variety of components such as the fans or the fire dampers. To comply with a specified noise level, sound attenuators are added to suitable locations in the ventilation system. The sound attenuators should have adequate silencing capabilities, low air resistance and be as small as possible.
The design and engineering assistance to integrate our line of duct silencers, sound attenuators into a system solution. As a result you may choose from a selection of standard or custom engineered duct silencers that will satisfy the requirements of each application.
Prime candidates for noise control measures are openings into and out of noisy environments. This includes the ventilation of buildings, enclosures, and equipment rooms. Integration of noise control measures such as silencers and louvers, into the system design requires careful consideration of space constraints, fan selection and aerodynamic pressure losses.
Applications:
  • Fan Inlet and Discharge
  • Air Handling Units
  • Cooling Towers
  • Radiators
  • HVAC Duct Systems for Commercial, Institutional and Industrial Buildings
Types (Rectangular and Circular):
  • Elbow Dissipative
  • Straight Dissipative
  • Reactive (No-Fill), Elbow and Straight
  • Cross-Talk
  • Custom Designs as Required
  • Axial Cone
  • Transitional
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Linear Grill

Linear Grill
  • Material Metal
  • Certification ISI Certified
  • Grade BS, DIN, IBR, JIS
  • Finishing Polished
  • Feature Corrosion Resistance, High Quality
We are a well known name amongst manufacturers and exporters of Grills of various types such as linear grill, single & double deflection grills and two way grills. These are used at home or office for the air circulation and are available in various sizes with alignment between sections. In addition to it, the Grills manufactured at our end are deflected with high quality anodizing or powder coating and aluminum extrusion profiles. Our manufactured Grills can be customized as per the need of the clients.
Linear Grill
Linear Grill : Contemporary interiors in large offices, public areas of hotels and hospitals call for uncluttered looking walls and false ceilings with linear grilles used for supply and return air. Available in various sizes with alignment between sections.
Single And Double Deflection Grills
We are engaged in manufacturing and exporting of Single and Double Deflection Grills. Our range includes the following features:
  • Manufactured in High Quality aluminum extrusion profiles
  • Designed with Nylon Bushes for efficient, smooth and quiet operation & to avoid rattling noise
  • Aerofoil shaped blades
  • Deflection blades are adjustable manually and individually
  • Standard 20mm blade spacing
  • Single/Double deflection with high Quality anodizing or powder coating.
Two Way Grill
Two Way Grill : We are offering two way grill. it is used at home or office for the air circulation. we can customized it as per client request.
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Perforated Cable Tray

Perforated Cable Tray

Perforated and ladder - type trays with accessories.
Cable Trays are available in different sizes as per the customer specifications.

We manufacture cable trays in the following thicknesses - 1.2 mm, 1.5 mm, 1.6 mm, 2.0 mm, 2.5 mm, and 3.0 mm. & width - 50 mm to 1000 mm, cable trays are available in different finishes like MS, Hot dip galvanized, powder coated, painted etc.

The cable tray accessories for perforated ladder type cable trays are vertical bends, horizontal bends, inside bends, outside bends, reducers with radius 300, 600, 900 are available.
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Air Handling Unit

Air Handling Unit
The air handling unit is an integrated piece of equipment consisting of fans, heating and cooling coils, air-control dampers, filters and silencers. The purpose of this equipment is to collect and mix outdoor air with that returning from the building space. The air mixture is then cooled or heated, after which it is discharged into the building space through a duct system made up of five-feet diameter pipes.
The comprehensive range of Air Handling Units that we offer allows us to deliver the best individual solution for any customer. Our R&D work focuses on reducing energy consumption and creating factory complete air handling system solutions with controls.
Everything from single supply air or exhaust air units to complete units with heat recovery, energy efficient components and built-in control and regulation systems are available.
1. Robust construction resulting in reliable and longer life.
2.Application flexibility as per desired indoor conditions.
3.Low noise energy efficient.
4.Hinged service door in fan section for easy access to fan & motor.
5.Higher indoor air quality.
6.Pre-filters pleated to provide more filter area.
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Spiral Ducts

Spiral Ducts
Spiral Duct compared to traditional rectangular duct are numerous and compelling:
Attractive appearance
Exposed Spiral duct is attractive and is frequently specified by architects because of its superior aesthetic appeal. Paintable Spiral duct can be finished to blend in with, or stand out from, the indoor environment.
Economical to installthe unique attributes of Spiral duct can reduce installation costs:
  • Easier to install through and around structural framing
  • Longer spans reduces installation operations and the number of connections and hangers required
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Round Diffuser

Round Diffuser
Round Ceiling Diffusers are available in a broad range of sizes. These devices are typically installed in sheet rock or exposed duct. Our round ceiling diffusers are available with adjustable deflectors that allow the option for either horizontal or vertical flow. With their high capacity design, round ceiling diffusers are an excellent selection for gymnasiums, atrium's, industrial facilities, and large retail stores.
Round ceiling diffusers are available for a variety of applications. This line includes units that are completely adjustable, semi-adjustable, or non-adjustable. Adjustable units are ideal where horizontal and vertical air patterns are desired. The three position adjustable unit provides a horizontal, vertical, or intermediate pattern while the non-adjustable units are for horizontal patterns.
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Junction Box

Junction Box
An electrical junction box is a container for electrical connections, usually intended to conceal them from sight and deter tampering. A small metal or plastic junction box may form part of an electrical conduit wiring system in a building, or may be buried in the plaster of a wall, concealed behind an access panel or cast into concrete with only the lid showing. It sometimes includes terminals for joining wires. A similar container used for joining wires to electrical switches or sockets is called a pat tress.
Junction boxes form an integral part of a circuit protection system where circuit integrity has to be provided, as for emergency lighting or emergency power lines, or the wiring between a nuclear reactor and a control room. In such an installation, the fireproofing around the incoming or outgoing cables must also be extended to cover the junction box to prevent short circuits inside the box during an accidental fire.
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Volume Control Dampers

Volume Control Dampers
Volume Control Dampers are designed for two primary functions; two position (open/closed) or proportional (modulating).
Our volume control dampers meet a variety of applications with many different features, such as aluminum or stainless steel construction, airfoil blades, flanges, seals, and an extensive actuator offering from the industry's leading actuator manufacturers.
Our standard designs are available for "quick ship" programs of two weeks or less. Our nationwide network of representatives and our dedicated customer service professionals will work together to bring you the best solutions for your requirements.
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ladder type cable tray

Ladder Type Cable Tray

Ladder cable tray has two longitudinal side members connected by individual transverse members, designed for use as power cable or control cable support. These Galvanized Ladder Cable Trays Reducer come with rungs, which are essentially two longitudinal side rails connected by individual transverse members. Our trays can be customized to meet the varied needs and requirements of the valuable customers. Apart from this, our Ladder Cable Trays Reducer are 16 SWG thick with all accessories. The width ranges from 100mm to 1200mm, whereas, these trays are 50mm to 150 mm in height.

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TDF Duct

TDF Duct
being a prominent manufacturer and supplier of tdf ducts, we have carved a distinct niche for ourselves in the industry. Tdf ducts are manufactured using the finest quality raw materials adhering to international quality standards. Moreover, tdf ducts have accurate dimensions and offer high resistance to corrosion. We offer tdf ducts in safe and special packaging to ensure damage free delivery. Moreover, tdf ducts can be availed from us at very competitive prices.
tdf is a flanging system that consists of forming a flange profile on the duct ends, thus made out of a sheet from which the duct is fabricated. Tdf is a 4 bolt duct connection system that eliminates time wastage. Rather than using separate connectors to assemble your system, tdf flanges are rollformed onto duct during the manufacturing process. This connection minimizes leakage and installation costs. These tdf flange eliminates the additional internal sealing around the edges of duct & thereby saves the labour & material.
  • highly accurate flange profiles and components ensure ease of fitting and high quality assembly.
  • a recessed groove on flange and radial groove on corner pieces for proper gasket seating
  • snap fit corner pieces to allow easy fitting at sites
  • flexibility to use suit-to-site pieces with rolamate slip-on flanges
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Fire Dampers

Fire Dampers
Fire dampers are passive fire protection products used in heating, ventilation, and air conditioning (HVAC) ducts to prevent the spread of fire inside the duct work through fire-resistance rated walls and floors. Fire/Smoke dampers are similar to Fire Dampers in fire resistance rating, and also prevent the spread of smoke inside the ducts. When a rise in temperature occurs, the fire damper closes, usually activated by a thermal element which melts at temperatures higher than ambient but low enough to indicate the presence of a fire, allowing springs to close the damper blades. Fire dampers can also close following receipt of an electrical signal from a fire alarm system utilizing detectors remote from the damper, indicating the sensing of heat or smoke in the building occupied spaces or in the HVAC duct system.
Regulations and fire test regimes vary from one country to another, which can result in different designs and applications
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Square Diffuser

Square Diffuser
General Information :
1-Square Ceiling Diffuser with Adjustable Blades.
2- Square Ceiling Diffuser with Fixed Blades.
3-Square Ceiling Diffuser with Crooked Blades, Adjustable Blades
4-Square Ceiling Diffuser with
Material :
Crooked Blades, Fixed Blades.
Function :
Extruded aluminum profile. The square ceiling diffusers are supplied as two types with adjustable blades or fixed. The diffuser with fixed blades is made to diffuse air only into a large area, i.e. Allowing almost no vertical chute. The both types of diffusers supplied as 1, 2, 3 or 4 way flowing. The diffuser dampers are manufactured of aluminum as separate units with opposed blades or parallel blades
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