1. Chip-type Dissipative Muffler is that the Tube-type Resistive Muffler adds some sound-absorbing slice. It is applicable to large cross section of duct and large air flow. It divides the straight tube into several small channels, and sound-absorbing slice is straight type, ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 20:03:43 ]
1. It is deformation from slice-type resistive muffler. In order to improve the noise elimination performance of high frequency, it is changed into folded plate type from straight slice type to get high sound attenuation with smaller section. It is suitable airflow velocity of ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 20:02:43 ]
1. It is in fact a kind of resonance muffler, with all-metal dual-chamber type structure, using micro orifice plate as sound-absorbing components. Effective for silence frequency bandwidth (especial for low frequency) because of small aperture, low aperture ratio, large cavity ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 20:01:46 ]
It is usually installed in the pipe of exhaust system or exhaust vent or entrance of exhaust fan, has the double functions of exhaust damper and fire damper. At ordinary time, it is normal close, in fire situation, open automatically to exhaust smoke, when the exhaust airflow ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 20:00:26 ]
The main function of this damper is the same as HY-HP-SC damper, the difference is that the damper body of the former is separate with the operation device which is installed near the damper body, 1200mm above ground level. Operation device is controlled by a 6m-long steel wire ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 19:59:23 ]
This damper is installed in the pipe of ventilation system and air-conditioning system which need smoke prevention and fire prevention, and in the pipe of exhaust system. 1. Operation device is consisted of electric actuator with spring reset, and temperature controlled switch. ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 19:58:17 ]
This damper is installed in the pipe of ventilation system and air-conditioning system that need smoke prevention and fire prevention. At ordinary times, it is normal open, in fire situation, closed to prevent fire and smoke. 1. Temperature control: temperature sensor works to ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 19:57:04 ]
Product Introduction The automatic pressure release damper/opening, which is a part of gas fire-extinguishing system and closed status at ordinary times, is installed on the wall and/or the ceiling in the protected area. When the gas fire-extinguishing system is in use, there ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 19:00:28 ]
It can change the airflow direction into three ways. It is the best choice of controlling volume damper. ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:59:13 ]
1. It is usually used for these indoor rooms which need to maintain positive pressure, like as clean room, computer room and staircase with pressurized air supply, etc.. It can automatically control the positive pressure of indoor room. 2. It is self-weight control device of ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:58:05 ]
HY-FLF-S Manual Aluminum-alloy Air Damper HY-FLF-D Motorized Aluminum-alloy Air Damper 1. The blade is made of high-strength aluminum alloy of wing-shaped profiles. The frame is made of high-strength aluminum alloy profiles. It is elegant appearance and good anti-corrosion. 2. ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:56:50 ]
The combined air damper of HY-ZF can meet the requirement of ventilation equipment and smoke extraction equipment in the subway, because it uses the parts of single damper which is heat resisting(-50°C~+285°C) and low leakage and electric actuator which is with heat ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:51:20 ]
1. It is used in air flue with wind speed ≥8m/s. When the draught fan stops working, the blade of the check damper will be closed with self-weight to prevent the air flow backwards. 2. The frame is made of galvanized steel plate. The blade is made of aluminum alloy plate. The ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:49:47 ]
HY-FYD-S Handle type butterfly round air damper 1. Single plate structure without flange. Handle type. 2. According to old standard, the length of damper body is 150mm. 3. The size of this structure should not be too large. HY-FYD-L Chain type butterfly round air damper 1. ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:48:18 ]
HY-FDF-Q Structure Size: Flow Parameter: Installation Instruction: 1. The installation of HY-DF-Q is quite convenient. There is flange at the both ends of the damper, which can ensure that the joint is gas tightness. If there is no flange, the joint can be also gas tightness by ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:46:51 ]
HY-F series air flow control damper is generally composed of frame, blade, blade shaft, bearing, coupling rod, rubber sealing element and drive device, etc. Among them, the drive device has three types of hand operated, air-operated and electric control. Moreover, the main ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:45:38 ]
1. It is usually used as air outlet and return air vent, as well as supply air vent. 2. It can be directly used as air outlet. 3. As the return air vent, it is derived from HY-KDB single deflection air grille. There just add an inner frame to make the blade parts into openable ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:41:57 ]
HY-KXL-J General Type HY-KXL-C Side connection of supply air plenum box HY-KXL-D Top connection of supply air plenum box 1. It is used as supply air outlet of central air-conditioning system. 2. The blade is designed in accordance with the principle of fluid-dynamics, which ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:39:37 ]
HY-KQP-G Fixed Type HY-KQP-T Adjustable Type 1. It is used as air supply outlet of central air-conditioning system. 2. It adopts the nozzle structure design of optimal aerodynamic to reach optimal noise control. It can be used in high places, like as concert halls, theatres, ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:36:42 ]
HY-KYS-P Level Type Specification and dimension (mm): Specification (Φ) Inside dimension (d) Outside dimension (D) Open hole dimension (O) K P h Φ150 154 343 310 9 138 100 Φ200 205 457 420 9 156 105 Φ250 257 572 530 13 168 105 Φ300 308 686 630 16 186 110 Φ350 356 749 648 ...
Sichuan HongYang HVAC Equipment Co., Ltd. (HY) [Construction & Real Estate] [HVAC Systems & Parts] [2016-05-26 18:34:21 ]
