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  Rubber hoses   can be divided into these types according to their applications: 1.  Rubber hoses for cooling and insulation:  This type is usually used for water delivery in horticultural irrigation, building ‘s fire prevention, tank car cleaning, industrial sewage drainage, etc. 2. High pressure steam rubber hose:  Generally, the hose is used to cooling water in cooling equipment or engine, and food processing. 3. Hoses for drinkable liquids:  Those are often used to deliver fluids that are not lipid, like milk, carbonate beverages, orange juice, beer, animal and vegetable oil. They need to be certified by FDA, DVGWA, KTW or CE. 4. Air rubber hose :  Air hose is applied in compressor and pneumatic lamp in mining and construction. 5. Rubber hoses for welding:  They are hoses for gas welding whose inner material  are mainly NBR or synthetic rubber and outer are usually red, blue or yellow in order to help people distinguish which kind of gas in them. 6. Hoses for dust and smog emissio

SEA801 TRV Programmable Controller is a stylish and accurate TRV programmable controller has been designed for independent control heating radiators. SEA801-APP Power source 2 AA baterry (Don’t use the rechargeable battery) Battery lifetime 1year Temperature setting range 5℃~30℃ Temperature setting accuracy 0.5℃ Temperature display range 5℃~30℃ Operation temperature range 0℃~50℃ Shipping & storage temperature -10℃~60℃ Frequency 868MHZ（Double FSK） Wireless transmit range Open distance 100M SASWG-02 Power source Connect DC 5.1V 2A Power adapter IP Rating IP21 Operation temperature range 0℃~50℃ Shipping & storage temperature -10℃~60℃ Frequency 868MHZ（Double FSK） Wireless transmit range 100M WiFi Communication protocol TCP/IP，MQTT WiFi frequency 2.412GHZ-2.484GHZ Network capacity 10PCS(SEA801-APP) If you have questions or suggestions,please leave us a message,we will reply you as soon as we can!

Furniture hardware accessories (colorfulvalley) generally refer to the hardware components that need to be used in furniture production and furniture use. Metal parts with functions such as sofa legs, lifters, backrests, springs, nails, foot codes, connections, activities, fastenings, decorations, etc., are also called furniture hardware accessories. Traditional Chinese furniture originally did not require furniture hardware accessories. All functions are realized based on wooden structures. Metal was only used as a decoration in furniture in ancient times. It was not until Qingming period that metal was used in furniture (mainly wooden boxes, cabinets). Body locks, edging, hinges, etc.) realize simple functions. In the 1980s, panel furniture was introduced to my country from the West, and furniture hardware accessories began to be widely used in furniture. After nearly 30 years of development, the role of furniture hardware accessories in furniture has become more and more important.

  BF-508 is a   two-way radio   with noise cancellation designed for users who need to communicate in a noisy environment. Also it has a battery capacity of 4000mAh to power the user through his mission. And when the battery is low, a low battery alert will go off accompanied by the flashing of the indicator light. Other conveniences include antimagnetic speaker, multi-functional flashlight, squelch levels, auto power save, BCL, scan, monitor, etc. On the whole, this is a most cost-effective two-way radio choice if you are in fields such as construction sites, factories, restaurants, bars, KTVs, etc. Noise Cancellation This feature helps to cancel out the background noise in the voices and enhance the overall audio experience. Long Battery Life BF-508 has a battery capacity of 4000 mAh to power the user through a long work day. Low Battery Alert When the battery runs low, an alert will go off and the indicator will start flashing red to remind the user that he needs to recharge the bat

  Everyone's home, are equipped with a variety of household appliances. They perform their respective functions and play an important role, bringing great convenience to people's life. We all know that many functions of home appliances require the use of control panels. So, about the knowledge of  home appliance control board , how much do you know? What is   home appliance control board ? A household appliance controller has two turntable devices at the output of signals, which can send control signals to household appliances by rotating the turntable on it. A signal processing device coupled to the turntable device is used to receive and recognize the control signals sent by the turntable device, and transmit the recognized control signals to the microprocessor. Home appliance control board also has these intelligent functions: 1. It can realize remote telephone and remote control of home appliances, connect with the power supply, issue disconnection or opening instructions,

In order to ensure the safe operation of power network, the safety of equipment, person, and prevent misoperation, GB3906--1991 (3 ~ 35 kV AC metal Enclosed Switching Equipment) is clearly stipulated metal enclosed switching equipment shall have the following functions: 1、To prevent opening and closedisconnector(Isolate handcart)on-load. 2、To prevent mis-opening and mis-closing of circuit breakers, load switches, contactors (suggestive). 3、To prevent closing circuit breaker, load switch and other switch when the earthing switch is in closed position. 4、To prevent mis-closing earthing switch when alive. 5、To prevent stay into Charged compartment. The above five functions of electrical misoperation prevention are referred to as the "five prevention". The "five prevention" of high voltage switchgear in order to standardize the safe operation process, it is an important measure to realize the safe operation. High voltage switchgear without five prevention function has