New high-efficiency car door products mainly for residential elevators and security room elevator markets
Wittur Door System,Door System Closer,Telescopic Elevator Door,Concealed Sliding Door Suzhou Keffran Parts Co.,ltd , https://www.keffran-elevatorsmart.com
Safe and reliable
The car door comes standard with car door lock and emergency unlocking device, which meets the latest EN81-20/50 standard and the latest GB7588-2003 No. 1 amendment.
Compared with car door locks of other manufacturers, Wittur car door locks are easier to use, safer and more reliable.
Compact design
The drive part of the door machine adopts the matched Wittur Augusta Prime mechanical design, the overall mechanism is compact, and the system stability is better. The toothed belt of the motor is installed in a relatively closed space, which can be better protected to prevent foreign matter from entering the transmission device.
Lower energy consumption
Brushless motor is adopted, which has low power consumption and is easy to control.
Easy to install
The relatively compact and simple design concept of the driving part of the door machine makes the overall weight of the door machine very light, which is convenient for on-site installation and debugging.
First, the product overview: D, DG horizontal, single suction multi-stage, segmented centrifugal pump. With high efficiency, wide range of performance, safe and stable operation, low noise, long life, easy installation and maintenance. For the transport of water or other physical and chemical properties similar to water. It is also possible to change the material of the pump overcurrent unit, the form of the seal, and the addition of a cooling system for conveying hot water, oil, corrosive or abrasive-containing media. Product implementation JB / T1051-93 "multi-stage centrifugal pump water type and basic parameters" standard. Our products are all computer design and optimization, the company has strong technical force, rich production experience and improve the detection means to ensure product quality is stable and reliable. Second, the scope of application: D-type pump suction single-stage multistage centrifugal pump for the transport of water and physical and chemical properties similar to the use of liquid water. Pump head H19 to 245.7 meters, the flow rate of 18 to 162m3 / h, the maximum temperature of liquid not 80 ℃, suitable for industrial and urban water supply and drainage, high-rise building pressurized water supply, garden sprinkler, fire pressurization, long distance water supply, heating, Bathroom and other hot and cold water circulation booster and equipment, etc., especially for small boiler feed water. Third, the product features: 1, advanced hydraulic model, high efficiency, wide range of performance. 2, pump running smoothly, low noise. 3, the shaft seal adopts the soft packing seal or the mechanical seal, the seal is safe and reliable, the structure is simple, the maintenance is convenient and quick. 4, the shaft is full seal structure to ensure that no contact with the media, no corrosion, long service life. Technical parameters: Flow: 6.3-300m3 / h; Head: 13-650m; Power: 2.2-400KW; Speed: 1450-2950r / min; Diameter: φ50-φ200; Temperature range: ≤ 105 ℃; Working pressure: ≤ 3.0Mpa. Fifth, the model meaning: