We produce an unparalleled range of standard control valves, combined. If the control valve is used for the balance, we lose this valuable asset. We often think of balance and flow measurement valves as a commissioning tool. Nexus manufactures hydronic flow control valves, automatic flow control valves, manual balancing valves, coil piping package, and heat pump hose kits. Nexus is the leader of both manual static balancing and automatic flow control valves, hydronic accessories, as well as preassembled valve systems in north america. Automatic flow control valves products nexus valve. Pic valves combine the function of a control valve, automatic pressure regulator and flow limiter, ensuring flow only changes where and when. To create a balanced hydronic system with standard control valves, you first need to determine the design flow rates and calculate the pressure losses across the whole hydronic network. It has a multiorifice cylinder design with solder connections that allow you to select a flow adjustment of 2 12, 3, 3 12.
Flow balance valves placed on the return side will result in higher water pressures within the coil, which means that more air will remain in the solution and out of the coil see figures 1 and 2. In 2014 we launched the first automatic radiator valve for hydronic heating systems. Replacement valves for steam and hydronic systems repair. As the temperature from the terminal unit or coil is satisfied, the flow rate is reduced in the coil and the flow is diverted to the bypass. Nexus is a leader in providing innovative, high quality hydronic products from source to emitter. Suitable for multiple heating and cooling applications, including zone and room control, flow measurement, differential pressure and temperature control, every valve in our range is made from corrosion and leakresistant ametal and will provide longlasting durability and optimal hydronic balancing. Nexus is the leader of both manual static balancing and automatic flow control valves, hydronic accessories, as well as preassembled valve systems in north. Heating system boiler check valves, flow control valves, backflow. Threeway control valves may be diverting or mixing depending on how they are ported and controlled. Zone sentry zone valves heat motor zone valves the flo chek, and flow switch. Zone and flow control valves taco comfort solutions. For a proper hydronic balance in the system, a series of manual balancing valves are installed, varying in size according to the required flow in specific parts of the system. Hydronic zone valves 119 hydronic pressure regulating valves 97 hydronic mixing valves 73 radiator valves 49 hydronic gas valves 35 hydronic tempering valves 35 hydronic pressure.
Nexus offers broad spectrum of innovative building technology systems with a focus on flow control and related accessories for the commercial and residential hydronic hvac industry. That flow measuring portion of the valve can become invaluable when troubleshooting systems down the road. The hydrotrol ht flow control valve is used to prevent overheating of zones due to gravity flow in hydronic heating systems and will permit summerwinter operation of indirect water heater. Mesurflo automatic flow control valves for commercial hvac. The sketch below shows a threeway diverting valve system. Pro hydronic specialties physics driven solutions for. Flow of innovation from the heat source to heat emission to heat distribution, flamco, meibes and simplex cover a broad spectrum of innovative building technology systems. This article series answers most questions about heating. Dynamic hydronic balancing acvatix valves and actuators. Automatic flow limiting valves do not require any additional balancing as do manual balancing valves, therefore they reduce labor costs from not having to balance and rebalance the valves.
Series lfp3 lead free multiorifice flow control valves for tankless heaters are for use in commercial and residential hydronic heating systems to limit the flow of water to equipment in tankless heater. We asked our customers about this technology and their. The first key to hydronic control is designflow availability. To facilitate control, the valve characteristic should mirror the terminal characteristic. Check valves on hot water hydronic heating systems flow control, flocontrol valves, inspection. Manual balancing valves for hydronic balancing danfoss. Flow control valves, taco flochek, taco flo control. Variable flow in hydronic systems with threeway control. Victaulic automatic balancing valves hydronic balancing. What are ifc circulators internal flow control valves. Valves and accessories for controlling flow in hydronic heating, plumbing and solar systems. Design flow must be obtained for a control valve to open fully under design conditions. Nutech hydronic specialty products is the premier manufacturer of system balancing valves for hydronic heating and chilled water applications. Suitable for multiple heating and cooling applications, including zone and room control, flow measurement, differential pressure and temperature control, every valve in our range is made from.
Differential pressure regulator, external flow presetting dial and axial control valve. Our line includes flow control valves for tankless heater installations. We offer automatic balancing valves, manual venturi. Series lfp3 lead free multiorifice flow control valves for tankless heaters are for use in commercial and residential hydronic heating systems to limit the flow of water to equipment in tankless heater installations. Flow control valves flow control valves are used in commercial and residential hydronic heating systems to limit the flow of water to equipment. Zone valves, back flow preventers, pressure regulators, relief valves, radiant floor heating controls for your heating system.
Hydronic flow control valves hydronic valves hydronics. It is the belief of pro hydronic specialties that physics should be the primary design focus of any tier 1 manufacturer. Venturi fixed orifice with memory stop and integrated. With that in mind, all of pro hydronic specialties products, from our manual venturi.
Our unique automatic flow control balancing valves guarantee optimal hydronic balancing, eliminate the need for complex calculations and are ideal for both new installations and renovation projects. Control valves picv low temperature valves commercial marine products manual balancing components solenoid valves hays fluid controls manufactures automatic flow control valves in. Series 2000sm5, hydronic, twoway, universal flow check valves are for use in commercial and residential hydronic heating systems to provide positive shutoff when circulator is not running, preventing flow of water to radiation units. Heating system boiler check valves, flow control valves. Automatic flow control afc technology customer testimonials. Flow control valves are used in commercial and residential hydronic heating systems to limit the flow of water to equipment. Our products range from manual and automatic flow control valves, hydronic accessories, as well as coil. Flow control valves gas valves gate valves globe valves isolation valves lubricated plug valves subcategories. Why automatic flow control valves should be preferred over. Flow control devices zone valves back flow preventers. Im curious to find out if most manufacturers flow checks are built to the same specs or not. Espsystemwize valves and accessories for controlling flow in hydronic heating, plumbing and solar systems. We stock over 29,000 products for steam and hydronic. Zone and flow control valves designed and engineered for reliability and built with all the quality you expect from taco, these zone and flow control valves are used to create and control individual zones.970 257 27 549 882 435 481 501 875 325 774 1607 318 1585 93 820 409 350 63 1335 1459 589 706 272 235 1234 799 1140 104 1517 572 549 1021 748 97 307 1028 59 757 207 821 48 1151 968 39 374