FLOWMATIC® Express - Connection and Regulation Kit for HVAC terminal units - NA Market

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El kit premontado compacto conecta cajas de recalentamiento VAV, fan-coils, vigas frías o unidades terminales montadas en el techo con el sistema de distribución hidrónico principal. Proporciona funciones de control de flujo, equilibrio, derivación, filtrado y aislamiento para el mantenimiento de la unidad terminal y el lavado del sistema. El venturi integral con puertos PT permite dimensionar el kit para que coincida con el caudal de diseño de la unidad terminal. Incluye una cubierta de aislamiento preformada adecuada para aplicaciones de calefacción y refrigeración. Este kit también viene completo con una válvula de control independiente de la presión (PICV), válvulas de cierre de tres vías,
Bypass y cartucho filtrante. Los actuadores opcionales de encendido/apagado o de modulación agregan control automático para la conexión a un BAS.

Especificaciones

FLOWMATIC Express connection and regulation kit for HVAC terminal units in heating and cooling systems. Complete with: pressure independent control valve (PICV), three-way shut-off valves, integrated by-pass, venturi device with pressure test ports, strainer cartridge, rubber hose and pre-formed shell insulation in EPP. Connections on system side 1/2”, 3/4” and 1” integral NPT female; terminal unit side 1/2”, 3/4” and 1” NPT female union. Connections centre distance: 3.15 inches (80 mm). Connection for actuators code 145013, 145018 and 6565 series thermo-electric actuators M30 p.1.5. Flow rate regulation range of the kit with Venturi device: 0.1 to 0.4 gpm (0.3 to 1.5 lpm) for code 149400A G40; 0.4 to 0.9 gpm (1.5 to 3.4 lpm) for code 149400A G90 and 149500A G90; 0.9 to 1.8 gpm (3.5 to 6.8 lpm) for code 149400A 1GB and 149500A 1GB; 1.9 to 3.5 gpm (6.6 to 13.2 lpm) for code 149400A 3G5 and 149500A 3G5; 3.5 to 5.3 gpm (13.2 to 20 lpm) for 149500A 5G3; 5.3 to 7.9
gpm (21 to 30 lpm) for code 149600A 769; 7.9 to 13 gpm (30 to 49 lpm) for code 149600 13G; 8 to 16 gpm (30 to 60 lpm) for code 149600A 16G. The adjustment position does not affect the valve stroke. Full-stroke modulation. Flow rate pre-adjustment device with at least 10 reference positions and continuous adjustment. Flow rate accuracy ±5 %. Linear or equal percentage flow rate adjustment characteristic, set up by actuator depending on the characteristics of the terminal unit. Maximum working pressure 360 psi (25 bar). Maximum differential pressure with actuator code 145013, 145018, and 6565 series installed 58 psid (4 bar). Nominal working Δp range 3.6 to 58 psid (0.2 to 4 bar). Working temperature range 14 degrees F to 248 degrees F (-10 degrees C to 120 degrees C). Ambient temperature range 32 degrees F to 120 degrees F (0 degrees C to 50 degrees C). Strainer mesh size 800 μm. Medium: water and glycol solutions; maximum percentage of glycol 50%. Shutoff leakage 0.01% (class V). Pressure independent control valve (PICV) DZR corrosion-resistant brass body and bonnet CW602N; stainless steel AISI 303 control stem and piston; stainless steel AISI 304 strainer mesh; PICV differential pressure diagram and PSSG40 control shutter, peroxide-cured EPDM valve plug and seals. Provide with full-coverage optional insulation jacket in EPP, code F0001771, for cooling applications, separately purchased and field replacing standard supplied jacket. Compliant with the requirements of standard UL 2043 for plenum installations without insulation jacket.

Especificaciones técnicas