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The valve flow coefficient, also known as the flow rate, is the rate at which media flows through the valve and the amount by which the flow pressure changes (drops) across the valve. The flow rate is affected by the state and viscosity of the media, as well as the valve size, type, and diameter of the pipe connections. A formula can be used to calculate the flow rate value; the larger the value, the higher the flow rate through the valve at a given pressure drop.   Flow rate is expressed as Cv or Kv depending on the measurement system used (imperial or metric, respectively). The minimum required Cv value is frequently listed in a valve’s product description or elsewhere in its specifications.   Flow coefficient in imperial units = Cv value   As follows:   The flow rate of water in gallons per minute (gpm) in the United Read more

There are three steps in the BWMS treatment process of ballast water. The first is filtration, followed by "electrolysis of seawater to produce sodium hypochlorite for sterilization" and finally "neutralization." The first step is to create a plan. Use an automatic backwash filter with a filtration accuracy of 50um when filling water to ensure that all ballast water is properly filtered before use. This step is capable of filtering out the majority of marine organisms as well as solid particles larger than 50 microns in size.   Step 2: Make a list of all of the things you want to do. In order to sterilize water, electrolysis of seawater is used to produce sodium hypochlorite. Take a small flow of seawater from the ballast water mainline and pass it through the electrolysis device, where it will be electrolyzed to produce a sodium hypochlorite solution with a high concentration of sodium. Read more

There are three steps in the BWMS treatment process of ballast water. The first is filtration, followed by "electrolysis of seawater to produce sodium hypochlorite for sterilization" and finally "neutralization." The first step is to create a plan. Use an automatic backwash filter with a filtration accuracy of 50um when filling water to ensure that all ballast water is properly filtered before use. This step is capable of filtering out the majority of marine organisms as well as solid particles larger than 50 microns in size.   Step 2: Make a list of all of the things you want to do. In order to sterilize water, electrolysis of seawater is used to produce sodium hypochlorite. Take a small flow of seawater from the ballast water mainline and pass it through the electrolysis device, where it will be electrolyzed to produce a sodium hypochlorite solution with a high concentration of sodium. Read more

Many sectors require knowledge about the temperature levels to which a product is exposed, as well as the amount of time that the product is exposed to. temperature data recorders are essential in a variety of applications that need high levels of safety, such as the sterilizing of medical devices or the heating of food for canning. Temperature data loggers are designed with integrated temperature sensors and a logging mechanism to collect and store information. Some varieties assess humidity and integrate sensors that allow them to do so with pinpoint accuracy. One or more sensors are used to collect and store regular samples, which are received and stored by the device at a predetermined frequency. The datalogger operates in the same way as a USB drive; the information gathered about temperature and time is saved in onboard memory and may be downloaded later over Wi-Fi. It is programmed to take Read more

SHARE JH-D30 tiny ITE hearing aids (Hercules) https://www.jhhearingaids.com/jh-d30-mini-ite-hearing-aids-hercules/ Short Description Wearing comfortably Volume control along with ON/OFF No loss of battery power in shutdown status. Description · Wearing comfortably · Volume control along with ON/OFF · No loss of battery power in shutdown status · Digital Tiny hearing aids , special design convenient charging and easy operation with wheel volume control and ON/OFF. · Working under medium and small power Contact Us Huizhou Jinghao Medical Technology CO., LTD. https://www.jhhearingaids.com/ Email: [email protected] Mobile: +86-18566295705 Phone: +86-752-2299187 Links: Hearing Aids China Manufacturer https://www.jhhearingaids.com/ Hearing Aid online Shop https://jinghaomedical.com/ Hearing aids Amazon Shop https://www.amazon.com/jinghao?tag=jinghao-20  

https://www.jhhearingaids.com/jh-d19-waterproof-hearing-aid/ Specification Type: Waterproof Digital Hearing Aids Frequency Range: 200-4200Hz Waterproof Test: IPX8 Special Function: WDRC and AFC Environment Modes: 4 Modes: Meeting, Normal, Outdoor, Noise Reduction. Ear Tube: Right/ Left Ear Tube (Replaceable) Hearing Channel: 2/4/6/8/16 (Default 4 Channel) Input noise: ≤ 20dB (Occupation standard ≤ 30dB) Hearing Loss: Slight, Moderate,Severe Working Time: 250-300 hours Certifications: CE,ROHS,ISO13485(Medical CE),Free Sale(CFS) Short Description Adaptive Noise Reduction 11 levels of volume Acoustic Feedback Cancellation Rocker Switch WDRC (Wide Dynamic Range Compression) Description COMPACT, LIGHT-WEIGHT & DEPENDABLE WATERPROOF HEARING AID Adaptive Noise Reduction 11 levels of volume Acoustic Feedback Cancellation Rocker Switch WDRC (Wide Dynamic Range Compression) 4 Preset Programs D19 Personal Sound Amplifier offers 4 preset configurations that are easily adjustable with the touch of a finger. Normal Setting – Regular listening Noisy Setting – Reduces background noise (restaurant, supermarket, gym, etc) Indoor Setting – Decreases low audio frequencies (home, meeting, etc) Read more

JH-W2 Bluetooth Rechargeable Mini ITE Digital Hearing Aids for Phone Connecting https://www.jhhearingaids.com/jh-w2-bluetooth-rechargeable-mini-ite-digital-hearing-aids-for-phone-connecting/ Description Paring to a phone and entertainment 1.Turn on your phone and ensure its Bluetooth function is activated. Search your Bluetooth devices on your phone by following the phone’s instructions. Refer to your phone’s user manual for more information. 2.After a few second the phone will list the device as a discover device “W2”. Select it and follow your phone instruction to select this pairing. 3.Your phone will confirm the pairing, and then press Yes/Ok. 4.Finally, select to connect with device from your phone. You can play music; Watch TV/movie and play gaim with your phone, then you can hear all the sound or music from the device. 5.When you connecting with Iphone , keep press the key button for 2 second, you can start the Siri. Contact Us Huizhou Jinghao Medical Technology CO., LTD. https://www.jhhearingaids.com/ Email: [email protected] Mobile: +86-18566295705 Phone: Read more

https://www.jhhearingaids.com/jh-w3-tws-bluetooth-bte-hearing-aids-with-rechargeable-otc-hearing-amplifier-smart-app/ Smartphone App (iOS/Android) Personal each ear independently via the App Control EQ settings for optimal audio experience 3-in-1 Multifunction Charging Case Mini Portable Charging Case Anti-Bacterial UV lighting Binaural Bluetooth connection for calling and streaming Water resistant Nano Coating repels liquid Mechanical IPX6 Links: Hearing Aids China Manufacturer https://www.jhhearingaids.com/ Hearing Aid online Shop https://jinghaomedical.com/ Hearing aids Amazon Shop https://www.amazon.com/jinghao?tag=jinghao-20

Which factors affect the excellent electroplating quality of zinc alloy die castings?

For zinc alloy die castings to be electroplated surface treatment, this link is very important. If the electroplating is not done well, all the work in the early stage will be wasted. Therefore, we must pay attention to the electroplating process of the product. Then the quality of electroplating is affected by those factors. Carbide die casting summarizes the following for you: