Fan-powered single ducted parallel with reheat - uses plenum air before using reheat for. Contact supplier Diameter: 6 inch Material: Mild Steel Flow Rate: 127 - 991 l/s Max Air Flow: From 80 to 8,000 CFM Test Pressure: 1. The controller keeps track of the actual position of the damper (0% to 100% open) and calibrates itself every 24 hours. Do not mount this directly after the main fan, as the transducerWebSelect VAV Selection/Pricing Quick Start User Guide Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects, configures and prices VAV boxes all at once so when you price a box, the engineering rules are checked at the same time. for VAV pressure independent operation. For more friendly and professional advice on VAV units, please get in. The installation of Ceiling fans begins at $80 per fan and it will vary depending on the type and kind of fan. 17 1/2 in. 7 Billion in 2019 and is Projected to Reach USD 6. 27. 4. Stainless Steel Heavy Duty Return Grille, ¾” Blade Spacing, 45° Deflection. These VAV Boxes are valued amongst our clients for its features like low maintenance and best performance. , please refer to the documentation provided by the controls contractor. 00 EA Single Duct Terminal Unit (VAV) @ 6" inlet $240. Quick selection Guide/Price List. Messages. 22 Ga. lb. , offering a complete line of air distribution and air terminal products. There are three rotary switches on the front of the contro llers that are used to define a three-digit address when they are installed on a BACnet communications network. VAV boxes have been used for decades in buildings worldwide, and perform well in many situations. The VAV box contains a damper that regulates the volume of air entering the zone. zinc coated steel housing, mechanically sealed and gasketed, leak resistant construction. 20 GA. 00 PDDR2210/2412 22 x 10 / 24 x 12 764 $58. S. IndiaMART. Only available through manufacturers of VAV boxes. Vmax 20. TROX is one of the world’s leading manufacturers of these units. Static Pressure Probe – the PCV will come with a static pressure probe. Quiet Type with dissipative silencers and Hospital. The blades may be parallel or opposed type. A terminal unit is also called a VAV box, VAV unit, or outlet box. The ESV-VP valve package is assembled in a manufacturing setting giving you repeatable and reliable quality that otherwise may be difficult to replicate in a field setting. VAV Box Abbreviation. 5 Hz as an input for the 24VAC pulsed signal. This manual covers the features, specifications, dimensions, wiring, and maintenance of the VAV products, including the damper, fan, heating coil, and controls. eBB-CABLE Delta 272600 eBB-CABLE enteliBUS CAN Cable Kit Each. The added costs of multi-zone systems can be avoided. Fresh, outdoor air enters the energy recovery unit and is pretreated before entering the heating and cooling equipment. Energy saving features described above contributes to saving in carbon footprint. Enclosure for VAV Box Titus $65. Environmental Air Management Products for Industry Serving the HVAC Industry Since 1955 Home About Us Blog Contact Us. Variable Air Volume V AV is a type of heating, ventilating, and air conditioning H VAC system, unlike constant air volume. The Titus ESV is unique as it incorporates many design features that increase performance. Optional appurtenances: VAV damper Size tested is 6, 10 and 14, and certification applies to the following sizes: VAV terminal units that are AMCA 610 certified VAV Size K Model Number Example I: Pressure independent C: Constant Air Volume 5 35. 00. velocity pressure (on the far right). Variable air volume. Rotary actuator for VRU, 20 Nm, AC/DC 24 V, 120 s, IP54. Leakage is less than 1% of max air volume at 1000Pa inlet. com. 21, 2019 /PRNewswire/ -- According to the new market research report 'Variable Air Volume Box Market by type(Single-Duct VAV, Dual-D. ae THE NEWEST EDITION OF THE PRICE PRODUCT CATALOG. VariTrane® Single Duct Terminal Units. galvanized steel. 00 EA Faulkner Haynes categories page 100–4100 CFM PSC or EC motor options AHRI 880 and ETL certified See Product Details Johnson Controls Single Duct (TSS) All the benefits of single duct units while performing at extremely low sound levels. 3727, Netaji Subhash Marg Daryaganj, Dariya Ganj, New Delhi - 110002, Dist. Variable Air Volume or VAV Boxes is the most common method employed in commercial/institutional buildings and is both an effective and economical means of temperature control by Regulating the Air Flow. Many times this can be seen from the floor without climbing a ladder. An additional program, called R-Seller, allows an operator to have a live person remotely help verify age. Craig Company, Inc. . Built-in differential pressure transducer (0-500Pa, 0-2. VAV terminal units have been widely used for space comfort conditioning over the last 30 plus years. AX Xenta b3-866. The adapter plate will allow you to reuse the existing bolt pattern. , please refer to the documentation provided by the controls contractor. Sell. Single Duct terminals are the fundamental building blocks for Variable Air Volume (VAV) systems. Soundspec Tool. 12-20-2013, 03:02 PM #2. However, VAV boxes are very numerous in a typical HVAC system, resulting in a large amount of data toThe BACnet PTEC Terminal Box (VAV) Controller consists of an electronic controller assembly and on-board differential pressure sensor. 081-9033807. If you need help selecting the best unit for your application, call us at 800-227-9800. 4% between 2022 and 2032, and at a CAGR of 3. VAV BOX VAV BOX AIR HANDLING UNIT Energy Recovery with Variable Air Volume Preconditioner Applications These diagrams illustrate how energy recovery units can be used in conjunction with other HVAC equipment. joey791. Precise localised temperature control by varying the rate of airflow. Their primary function is to regulate airflow to a zone, in response to zone temperature requirements. If an Electric R eheat Coil has been supplied, refer to the electrical schematic which is permanently fixed to the underside of the electrical control The current average market price of Vav Boxes is Rs 12,000/ Unit. DNT-VAV-DG1-A Delta 331036 DNT-VAV-DG1-A. VariTrane™ variable-air-volume units (VAV) are among the industry leaders in quality and reliability and are designed to meet the specific needs of today’s applications. be installed directly in the supply duct, before the first VAV box or VAV diffuser in the branch being served. Comfort Calculator. Figure 2. WebSelect VAV Selection Quick Start User Guide for Engineers Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects and checks option configuration of the VAV boxes. involved in offering Variable Air Volume Box. 4. i. Locating VAV diffusers is no different than locating standard diffusers. Benefits of this approach include: Cost savings. Danfoss Burner Photocell and Control Box, Voltage: 230 Vac. The simplest VAV system incorporates one supply duct that, when in cooling mode, distributes approximately 55 °F. NORWAY COMPLETE PRODUCT OVERVIEW POSTER. (1127 mm)江森自控Titus®VAV变风量末端. Add to Cart. Following extensive research on VAV systems involving design engineers and contractors, we have produced a range of fan powered terminal units. 2 inches of water column pressure), and the cooling capacity varies to maintain around a 55° supply air temperature. L. Single VAV Box capacity to handle CFM up to 7500 Cfm. A variable air volume (VAV) box, is a part of an air conditioning system. box +L º®®SLSº™pºLºf™+ystem ©2021Trane VAV-PRC011Y-EN Introduction. I. 1. 4. Pressure Independent VAV with Heater (Variable Air Volume Terminals) • Pressure Independent VAV Unit has one primary air inlet, one rectangular discharge outlet to the room and one rectangular bypass discharge outlet. 4 Global Variable Air Volume (VAV) Box Sales, Revenue and Growth Rate by Type (2017-2022) 5. There are many variations on what you will find for boxes from simple shutoff boxes to those with reheat, and either series or parallel fan powered units. com | (800) BUCKLEY. Single Duct VAV (TSS) Critical in today’s building environments is the need to place significant emphasis upon the occupants comfort and indoor acoustics. With its integral airflow sensor and programming flexibility, the VAV-SD provides every option for precision VAV box control. CCTV) CM LISTED CERTIFIED TM VAV Terminals AHRI Standard 880 . G. Several different types of VAV diffusers exist, however most can be grouped into two models: Thermally Powered and Electronically Powered. Limitations of traditional airflow controls. 00 Model: Enclosure Enclosure for VAV Box (18 x 12) Quick shop Add to cart Mounting Bracket for Titus II/IIA/III Titus $5. 001 - 9. If the damper for a 90° box closes CCW, rotate the coupler to the CCW mechanical limit. Their primary function is to regulate airflow to a zone, in response to zone temperature requirements. 00 PDDR2222/2424 22 x 22 / 24 x 24 1681 $52. download the unit with the appropriate VAV programs and configuration settings for the unit. Application: VAV/CAV, position control. Air handling units 2. Skip to quiz! FCUs Recall that a fan coil unit is a type of AHU that recirculates indoor air only. Features such as advanced sensor technology, a wide range of product sizes and air flows, low sound levels, increased hot water coil selections, and innovative options establish Price as an. On the Unit screen, visually scan each input field and enter those fields that areHoneywell VAV box used for air distribution. Single Duct terminals are the fundamental building blocks for Variable Air Volume (VAV) systems. 20 GA. It has a wide product range of Air Distribution Products. Variable air volume ( VAV) is a type of heating, ventilating, and/or air-conditioning ( HVAC) system. This air is usually warmer than the air supplied by the VAV air handler. [1] [2] The advantages of VAV systems over constant-volume systems include. Single Duct VAV Boxes Single Duct Terminal Units 14 HGCOIL 1 or 2 Row Hot Water Coil SDV5 VAV Single Duct Box HW Coil Standard Construction + 22 gauge galvanize. VAV control core parameters are therefore protected against unauthorized changes after production. Air Side; Prev. Materials: Galvanised steel as standard or 316 stainless steel on request. in. The most common include: Single duct terminal VAV box – the simplest and most common VAV box, shown in Figures 1 and 2, can be configured as cooling-only or with reheating. The model you select might not exactly match the photo. It usually create a low air velocity movement which produce minimum amount of noise. p. The Titus ESV is unique as it incorporates many design features that increase performance, decrease service and. Highly effective integral attenuator; Optimised for airflow velocities of 0. Variable air volume dampers. You can also edit/change any of the default field values that appear. Our international success is based on 35 years of development and. What colors options are available of Vav Boxes Vav Boxes color variants available are: Bare Metallic. 00 EA Sell Price: $253. plenum return systemscontrols supplied and mounted by price (ehp): digital controls (dig) pneumatic controls (pneu) unit options: nema1 controls enclosure (ps) disconnect switch (dsw) 20 gauge casing (20ga) hanger brackets (hb) bottom removable sensor (rs) brass airflow sensor gauge taps (gt) bottom access door:Annual energy use (KBtu/ft2) is converted to energy cost under the base price structure of $. Single Duct terminals are the fundamental building blocks for Variable Air Volume (VAV) systems. Only available through manufacturers of VAV boxes. armasound CO2 & temperature sensor signal/power cabling from VAV to junction box for thermostate will be. VAV systems supply air at a variable airflow rate from an air handling unit (AHU). Air duct system 3. Hahn-Mason has 10 offices conveniently located in Raleigh, Charlotte, Asheville,. Data source: U. VAV-SD Features and highlights • Capable Four 10-bit inputs and five binary outputs. $0. The latest edition includes our latest product offering including a new section on VAV Diffusers, as well as the products you have come to know and trust across nine other product categories. Basic Box With Electric Coil With Attenuator ATT With Attenuator ATT5 9 10 in. 00 AIR MASTER EQUIPMENTS EMIRATES LLC P. The. You can configure and select multiple boxes in one application. LTG (Thailand) VAV Box และ CAV Box made in Germany สำหรับVariable air volume และ Constant air volume เหมาะสำหรับงานอาคารสูง ออฟฟิตสำนักงาน และคอนโด มีขนาดให้เลือกใช้. New Delhi, Delhi. Call 1-800-552-5669 (outside of. Model SDV Single Duct Terminal Unit - Bare Box: Check up to five results to perform an action. 2 Stock Catalog & Price List Terms and Conditions PriCeS All prices listed are F. Series Flow Fan-powered (TCSB) Johnson Controls new Series Fan Powered Variable Air Volume terminals are available from 100 to 4400 cfm, offering tremendous flexibility to meet a wide variety of HVAC systems design requirements. Call Us +966 9200 2 46 43 +966 5554 8 08 10. differential pressure signal from airflow sensor. VAV boxes allow you to control the temperature of the room by controlling air volume, not air temperature alone. Variable-Air-Volume (VAV) Box Controller • VAV-SVX07*-EN — Tracer® UC400 Programmable BACnet® Controller for VAV Units • VAV-SVP01*-EN — VAV VV550. Incorporation of an airflow sensor allows the SDV to compensate instantly for any change in supply air pressure that might alter the supply volume resulting in a pressure independent variable air volume system. 6 For more information visit 2. A true VAV box consists of an air valve and maybe a heat source only. Price: US $699. 00 EA Variable air volume boxes are a key component of our MicroTech® Integrated system for VAV system applications, providing consistent and reliable comfort for building occupants. 3. sg VAV Selection Quick Start User Guide for Engineers Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects and checks option configuration of the VAV boxes. Inlet sizes: 6”, 8”, 10”, 12” / Unit sizes: 2, 3, 4, 5. “Dual Maximum VAV Box Logic”, ASHRAE Journal, December 2012. As the room temperature decreases, the room. 00 EA DESV14 Sell Price: $333. Integrated 3:1 design that works in any system • Integrated design eliminates wiring multiple actuator components into one VAV box for simplicity. Acoustic Media: Inorganic ,fire resistant , vermin and moisture proof sound absorbent. Thermally Powered VAV Diffusers Thermally powered VAV diffusers, shown in Figure 1, commonly use thermal actuators to modulate the flow rate of supply air into a room according to a desired temperature setting. The terminal unit controls are supplied by the controls contractor and either factory or field mounted and wired. For retrofit applications, the RDV can. We also conduct a series of tests to check the quality of these products. The leak-resistant casing is fabricated with 22 gauge galvanized steel and is mechanically fastened. 20 1/8 in. Receiving InspectionThe VAV BOX Market Size is Estimated to be USD 4. The blower and motor should be inspected annually for accumulation of dust and dirt. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. AHU delivers air at 12 deg. 00. 1 Overview The Honeywell Stryker VAV devices are configurable Lon controllers that can be used to control VAV Zone terminal boxes. They could be used in stand. LED State Blink Rate Status or Condition OFF not applicable No power to processor, LED damaged, low voltage to board, or controller damaged. X-Sensor multi-point pressure differential airflow sensor provides accurate measurement of airflow at turndown to 2 m/s resulting in saving of energy. Add to cart. Mumbai No. 00. Optional Bottom Access Door (AD) SDV8 Size 4 – 16 Optional Bottom Access Door (AD) Optional NEMAT Controls Enclosure 18 1/2” (470) 4 3/4” (121) Multi-Point Sensor (Gauge Taps. 44 3/8 in. our warehouse plus applicable taxes. 7 – approx. VAV with EcoShield Liner, NEMA 1 Enclosure & Bottom Access Door. Call +91-9930802957. As an estimation engineer I am always thinking why a VAV box when we can get probably 4 diffusers for the price of 1 VAV box. Documents Details. There are 2-3 types of power point depending on the kind of appliance that would be connected to that point. • SDV8- Controls supplied and mounted by Price. VAV pressure independent operation. Corrosion resistant steel inclined opposed blade damper with seals. Price は空気分配、重要制御、騒音制御製品の供給において市場のリーダーです。このPDFでは、FDVシリーズのファンドライブベントレーターの特徴、仕様、選択方法などを詳しく紹介しています。FDVは高効率、低騒音、簡単なメンテナンスなどの利点を持ち、さまざまな空調システムに適用でき. RL/RM/RH with extended casing. Applying better control design or control retrofit measures to HVAC systems were reported with large energy savings potential (Hydeman et al. Price SRDV retrofit terminal units are designed for installation in rectangular ductwork to easily convert a constant volume system into a variable air volume (VAV) system. Four fully configurable 0-10 VDC analog outputs for heating, cooling, fan and auxiliary. com | ELEctrIc coILs - Manual 3 iNstAllAtioN AND MoUNtiNG iNstrUctioNs. With multiple control options, construction options. • (PIC-VAV) - VAV module (optional) provides air˜ow sensing for true VAV control. Best Offer: AIR MASTER EQUIPMENTS EMIRATES LLC P. Points 5-Point VAV 7- Point VAV 12- Point VAV 6- Point VVT 11- Point VAV 12- Point VAV Universal hardware inputs 0 2 4 2 4 4 Built-in flow sensor Wireless inputs1 18 18 18 18 18 18 15 Vdc power supply Universal output 1 1 2 1 2 2 Digital (triac) outputs 2 2 4 2 4 4 Built-in actuator Compatibility for optional subnet devices:Fig. aeVolumetric fl ow controllers Control function VAV/CAV and Open-Loop V nom 1) Application specifi c nominal volumetric fl ow setting, dependent upon VAV box parameters. Price Industries - Who We Are. Return air by ceiling plenum. Air medium. Let’s look at one type of. taken through the VAV controller and the VAV's should have the provision to accept the signal. For any variable air volume application out of the box. 7 MPa Surface Treatment: Galvanized. 5. AHRI 885 Calculator. 00 PDDR4622/4824 46 x 22 / 48 x 24 3514 $129. While CAV systems can vary a building’s heating/cooling rate. Fan-powered VAV units feature this same design, but add a fan. Unlike most other air distribution systems, VAV systems use flow. Status LED States. Construction: Casing: High quality galvanized steel sheet of 0. 9. VAV-Compact unit – with VAV controller, dynamic Δp sensor and damper actuator, 10 Nm, BACnet MS/TP, Modbus RTU, MP-Bus, 0/2. Discharge Air Temperature Control mode:Web‐Select VAV Selection/Pricing Quick Start User Guide Page 4 Step 2 - Selecting the First VAV Box in a Project Note: The program selects, configures, and prices VAV boxes all at once so when you price a box, the engineering rules are checked at the same time. (254 mm) 17 1/2 in. Products Price Air Distribution Terminal Units Single Duct Terminal Box SDV. These reheat coils can be either electric or hydronic. g. We also undertake sound attenuator. The FusionAir Smart Sensor series provides a slim, compact, and visually appealing room control display with a high-definition capacitive touch backlit LCD display for use with ABB Cylon® FBXi and CB Line BACnet® field controllers. • Unit has one primary air inlet, one rectangular discharge outlet to the room and one rectangular bypass discharge outlet. 2. Outdoor Air Shortfall with VAV(FOAF) Systems Exhibit 2 compares the outdoor air flow. 5. AHRI. The actuator can be positioned anywhere between 0°and 90°by the controller. Variable Air Volume (VAV) is a type of heating, ventilating, and/or air-conditioning (HVAC) system. If an Electric R eheat Coil has been supplied, refer. This growing building “smarts” comes with big benefits – energy management tightens, tenant comfort becomes more commonplace, and cost savings grow. The terminal unit precisely regulates the flow of conditioned air to a room or zone in response to thermostat demand for cooling or heating. Variable-Air-Volume (VAV) Box Controller • VAV-SVX07*-EN — Tracer® UC400 Programmable BACnet® Controller for VAV Units • VAV-SVP01*-EN — VAV VV550 LonTalk® Controller • VAV-SVX01*-EN — VAV-UCM 4. More sophisticated transducers and computer software have achieved a more precise control of air volumes. Share. Contact Supplier. 00 EA Single Duct Terminal Unit (VAV) @ 8" inlet $253. List Price 1515. g. Contact us The most of important drawback is that VAV boxes are quite expensive, frequently costing between $3,000 and $6,000 installed. Variable Air Volume Boxes Ask Price. Flexible Duct. 3. For applications with large damper VAV boxes or existing damper actuators. This saving (200 - 20 = 180Pa) related to a building of, say, 40,000m2 with an airflow of 15 litres/sec/m2 would achieve a reduction of 308,000kwh per annum, or in. 25 m/s] air velocity through the inlet collar. 3. , please refer to the documentation provided by the controls contractor. For example, consider a 700 cfm single-duct shut-off VAV box:VAV pressure independent operation. 00 EA Single Duct Terminal Unit (VAV) @ 6" inlet $240. V MNL. 4. Selection of VAV terminals with a close coupled, independent. Contact Supplier. 2mm for bigger sizes. Single Duct. Please Contact us for your Account Level Pricing. Hahn Mason Air Systems are experts in the design and application of. SINGLE DUCT VAV - SDV/SDVE MODELS VAV Boxes $200. mm. The crew cost per day can be calculated like this: ((1 x $160) + (2 x $155) + (2 x $115)) x 8hrs = $5,600/crew day. Requiring More Than 35 in-lb (4 Nm) Actuator Torque. buckleyonline. Above all, falling prices for variable-frequency drivesPK !X™¬u› ` [Content_Types]. 50 Single Duct VAV (TSS) Critical in today’s building environments is the need to place significant emphasis upon the occupants comfort and indoor acoustics. You can see it’s a pretty basic box. AIR MASTER EQUIPMENTS EMIRATES LLC P. NOTE: Product pictures shown represent the general type of device listed. A sensitivity analysis is also conducted. VAV Cooling Only (Application 6620 -short board, 6600 long board) VAV Cooling or Heating (Application 6621 -short board, 6601 long board) VAV with Electric Reheat or Baseboard Radiation (Application 6622-short board, 6602-long board) VAV with Hot Water Reheat (Application 6623 -short board, 6603 long board)Type: Parallel fan-powered. The terminal unit controls are supplied by the controls contractor and either factory or field mounted and wired. /5. VAV box after it is cooled at the central air handler. Incorporation of an airflow sensor allows the SDV to compensate instantly for any change in supply air pressure that might alter the supply volume resulting in a pressure independent variable air volume system. Receiving InspectionVAV BOX VAV BOX AIR HANDLING UNIT OUTDOOR AIR Supply Fan Exhaust Fan. VPDHC - Square Plaque Diffuser with VAV Heating and Cooling for 24x24 T-Bar Lay-In, Steel. 3 India Variable Air Volume (VAV) Box Market Size and Price Analysis 2015-2020 4. Discharge and radiated sound power for a 700-cfm series fan powered VAV box. Opal Hvac Engineers Private Limited. 20. The sale of certain items may be geographically restricted. 1E/BA S55499-D168 VAV compact controller BACnet 1 The manufacturer of VAV box units (OEM) generally configures and assembles VAV compact controllers. Used for calibration. Available with standard PSC or high efficiency ECM brushless DC motor. 00 EA Single Duct Terminal Unit (VAV) @ 6" inlet DESV08 $240. A key element of VAV boxes is differential pressure sensors that constantly measure airflow and direct the control system to make adjustments as needed. a VAV box should be three times the diameter of the inlet. The air-distribution equipment is thus given an important task. See examples below. 2537 King Abdullah Ibn Abdul Aziz Rd. ·. This generation of VariTrane units builds upon Trane’s history of quality and reliability and expands the products into one of the most complete variable-air-volume units offering in. The PIC controller can be provided pre-programmed with a sequence to fit your desired application. August 19, 2009. Johnson Controls single duct units offer the typical benefits. This generation of VariTrane units builds upon Trane’s history of quality and reliability and expands the products into one of the most complete variable-air-volume units offering in the industry. It provides commissioning support via the cloud to enhance the user experience and reduces project complexity and downtime while increasing connectivity, data transparency and cost-efficiency. Ninth Wave Technologies - Offering Galvanized Steel Casing Variable Air Volume Box, For Industrial, Shape: Circular/Round at Rs 15000/piece in Hyderabad, Telangana. REPLACEMENT PARTS LIST. Price Industries TBDI4100 - T-Bar Supply Diffuser with 1" Slot Spacing, 2 Slot, Coated Fiberglass Insulation, Black Blades/Field Adjustable. Stainless Steel Motor Control Panel Box, Rectangular. Quantity. For Use With Pneumatic VAV Box. Low-pressure loss over the terminal. หน้าแรก > สินค้า > กล่องควบคุมลม Variable Air Volume (VAV Box) Variable Air Volume (VAV Box) Krueger. 999 No --Exhaust Duct [EXH] dP Offset [dPO] 00. 4. Bhd No 2, Jalan Kenari 10, Bandar Puchong Jaya, 47100 Puchong, Selangor. VAV Boxes. Selection of VaV terminals with a close coupled, independent silencer is a complex process with unpredictable results. You want to start by selecting the Terminal Quick Entry icon, squared in red. The following steps can be used to manually determine NC levels based upon Standard 885-2008 Appendix E: Step 1: Identify the VAV box discharge and radiated sound power. Emme Room-By-Room can completely eliminate the need for VAV Boxes in many applications. Price. Also get Variable Air Volume System price list from verified companies | ID: 20455212797The Titus ESV-VP offers a factory-installed hot water coil valve package, making installation at the jobsite even easier. Aircons Air. Only available through manufacturers of VAV. 00 EA $96. January 27, 2022. Daisy chain the diffusers and you would have better control over a particular area wouldnt you? Reply . If you need help selecting the best unit for your application, call us at 800-227-9800. Ideally suited for use with the TEL AFA5000 Room Space Controller. The variable air volume (VAV) box Model MQTHI5 is our high performance single duct air terminal product line. Durga Trading Co. Shaft Compatible With Most Actuators. Price recommends a minimum 2 second period at 0. zinc coated steel housing, mechanically sealed and gasketed, leak resistant construction. 03 inch W. o. VAV box or VAV terminal is kept on the branch duct which is coming from the main branch. Lower duct static pressure is needed for the modem VAV box. Because the building industry is sensitive to the first cost, the VAV boxes typically have little instrumentation and controllers with limited capability. 3%. 10 V. Highly effective integral attenuator; Optimised for airflow velocities of 0. RDV. Another option is to use a modulating concentric type damper with air flow measuring capability.