R32 Heating and Cooling Unit Electric Heater Hotel Ptac Air Conditioner US$333.00-361.00 / Set 12000 BTU R32 Ptac Unit Air Conditioner with Heat Pump US$360.00-363.00 / Set 7000 BTU 265V R410A Hotel Ptac Terminal Air Conditioner Unit U...
R32 Heating and Cooling Unit Electric Heater Hotel Ptac Air Conditioner US$333.00-361.00 / Set 12000 BTU R32 Ptac Unit Air Conditioner with Heat Pump US$360.00-363.00 / Set 7000 BTU 265V R410A Hotel Ptac Terminal Air Conditioner Unit US$322...
(36), in which heat exchanger unit the enclosure structure encompasses several heat exchangers (21, 22, 23, 24) provided with an essentially gas-tight wall and arranged at least partially within each other with respect to the longitudinal axis (26) of the enclosure structure so that the gas...
A heat exchanger, in particular for use in the contact group of a sulfuric acid plant, includes a chamber (2) in which a tube bundle (12) is arranged on a circular ring, wherein between the tube bundle (12) and a chamber casing (13) surrounding the tube bundle (12) a gas space ...
Femtosecond (10-15s) lasers have two features, ultra-short pulse width and extremely high peak intensity [13-16], which have become an essential tool for modern extreme and ultra-precision manufacturing. Femtosecond laser processing has the characteristics...
摘要: heat ratio. Note that Kalganova Table 1. Empirical correlations used for calculating thecorrelation in [12] weights the Nusselt number [7]Nusselt number of conductive Ranz andtransfer by the thermal conduc- Marshalltivity ratio. [8]...
An experimental study was carried out to investigate flow-induced vibration, heat transfer and pressure drop of helically coiled tubes of an intermediate heat exchanger (IHX) for the HTTR, using a full-size partial model and air as the fluid. The test model has 54 helically coiled tubes separ...
Electrical Signal From Smoke/Heat Sensor Usage for Hanging Type FM200 Thread M30*1.5 Safety Valve 3.4MPa±0.17MPa Trademark SJ / OEM Transport Package Standard Export Packaging Specification Customizable Origin Fujian China Product Description FM200 Gas System Solenoid Actuator Valve P...
R32 Heating and Cooling Unit Electric Heater Hotel Ptac Air Conditioner US$333.00-361.00 / Set 12000 BTU R32 Ptac Unit Air Conditioner with Heat Pump US$360.00-363.00 / Set 7000 BTU 265V R410A Hotel Ptac Terminal Air Conditioner Unit US$322...
R32 Heating and Cooling Unit Electric Heater Hotel Ptac Air Conditioner US$333.00-361.00 / Set 12000 BTU R32 Ptac Unit Air Conditioner with Heat Pump US$360.00-363.00 / Set 7000 BTU 265V R410A Hotel Ptac Terminal Air Conditioner Unit US$322.00-...