Product Description
Nenwell has a wide range of high-performance and energy-saving supermarket deli serve over display refrigerators and commercial refrigeration products to meet any of your special requirements.
Product Description
Features
Model No.: NW-SG20A.
For deli storage & display.
4 size options are available.
Built-in condensing unit.
Ventilated cooling system.
Fully automatic defrost type.
Red and other colors are optional.
Curve-designed tempered glass.
Front door work with a hydraulic buffer.
Interior LED lighting with switch.
back-up storage cabinet is optional.
Exterior & interior finished with stainless steel.
Smart controller and digital display screen.
Replaceable rear sliding door for easy cleaning.
Copper tube evaporator & Fan assisted condenser.
Specifications
| Model No. | Dimension (mm) |
Temp. Range | Cooling Type | Power (W) |
Voltage (V/HZ) |
Refrigerant |
| NW-SG15A / AYM | 1500*1080*1200 | 2~8ºC -5~-15ºC |
Fan Cooling | 530 | 270V / 50Hz | R404a |
| NW-SG20A / AK / AYM | 2000*1080*1200 | 680 | ||||
| NW-SG25A / AK / AYM | 2500*1080*1200 | 980 | ||||
| NW-SG30A / AK / AYM | 2980*1080*1200 | 1435 |
Optional Colors
The exterior can be finished with many different colors and graphics as your requests, which can help improve your brand awareness, and its stunning appearance can attract your customer’s eyes increase their impulse buying.
Products Details
Company Information
OUR ADVANTAGES
Complete product line and reliable quality
Advanced manufacturing facilities
Professional teamwork for QC
Technical support and spare part supplies
Attention to details and prompt service
- Participating in different kinds of international professional exhibitions every year. This makes us be more professional and sensitive to market trends.
- Provide and recommend customers more market information and products development.
- Have the ability to develop new products with customers or independently develop.
- Familiar with foreign and domestic factories and supply chains.
- Cooperating with various manufacturers for more than 20 years.
- Accurate cost accounting ability. Keep abreast of material market changes. Manage the best timing to purchase Help customers to save costs.
BETTER SERVICE
Through the continuous efforts and practice of all the staff, now we have a set of relatively intact working methods and working systems to provide better service for our cooperation partners and customers.
CERTIFICATES & HONORS
NENWELL products are approved by CE, ROHS, MEPS, SAA, CB, and so on, and designs comply with the latest standards. We have a close relationship with the certificate institutions and rich experiences in the new certificate process with Low cost. Contact us freely for any inquiry.
Commercial Supermarket Glass Top Cooked Food Salad Sushi Deli Serve Over Display Refrigerator Pirce For Sale (NW-SG20A)
What to look for in a roller chain
There are many different factors to consider when purchasing a roller chain. One of the most important factors is tensile strength, which represents the force required to break the chain. Roller chains are available in 3 different tensile strengths: minimum, average and ultimate. Each strength reflects a different limit to the load the chain can handle. However, these limits are not always equal and you should be aware of the differences between roller chains.
Canonical chain
Most roller chains have standard sizes printed on the side panels. This is usually “40” or “C2080H”, but can also be the letter “B”. If the chain is old, it will need to be cleaned to see its size. You can find the size on the standard roller chain size chart, but not everyone is marked. To determine the size, measure the diameter and pitch of the chain, then compare the results to the chart to see what size you need.
Heavy-duty roller chains are available with heat-treated pins, side plates, and rollers. In addition to being heat treated, they are also factory pre-stretched, which reduces wear on these parts. If properly maintained, they can last for years, reducing the risk of failure or corrosion. Depending on the application, standard roller chains are available in different sizes. It can be purchased separately. There are several options to choose from, depending on the size and strength of the application.
PEER roller chains contain solid rollers to reduce shock loads on the sprocket teeth. Heat treating and preloading all components of the PEER chain helps minimize initial elongation. Hot-dip lubrication ensures complete lubrication of all chain components, extending their life and reducing maintenance costs. For heavy-duty applications, ASME/ANSI-B29.1 chain is a good choice.
Standard roller chains are made of steel or alloy steel. However, it can be made of other materials such as stainless steel. In addition to steel, stainless steel is often used in food processing machinery where chain lubrication is an issue. Brass and nylon are also sometimes used. However, they are not that popular. Therefore, you should always check with your supplier before purchasing. By comparing the tensile strength of 2 different chains and making an informed decision, you can get the best price and service.
Chain without bushing
Bushless roller chains have advantages over conventional roller chains. Unlike conventional chains, bushless chains have extensive lateral flexibility, which increases the chain’s lubrication flow. The inner plates of bushless chains have protruding shoulders so the oil can flow through them more easily and efficiently. This is an important characteristic of a smooth-running chain. Additionally, bushless chains may have improved shifting performance.
The strength of a bushingless roller chain is measured in terms of tensile strength and fatigue strength. The former measures the load a chain can withstand before breaking. Fatigue strength is equally important, and factors that affect fatigue strength include the steel used to make the chain components, the pitch hole fabrication, the type of shot peening on the chain, and the design and thickness of the chain. For example, if the chain is too thin, it may not be enough for heavy-duty applications.
Like traditional roller chains, bushingless roller chains have 2 different types of links. The inner link has 2 inner plates connected by pins, while the outer chain has 2 outer plates held together by bushings. A bushingless roller chain is similar to a traditional chain, except it eliminates a step in the assembly process by stamping the tube into the inner plate. So if you want a smoother ride, a bushingless roller chain is a better choice.
There are 2 different sizes of bushingless roller chains. One size is designed for use with standard single-strand chains, while the other size is designed for use with double-strand or triple-strand chains. Bushless chains are generally shorter than conventional chains, so they can fit in tighter spaces. Bushless chains are made of the highest quality materials. These chain attachments are case hardened for optimum strength and durability.
Mute chain
The silent roller chain has a smooth, low-noise drive. They are made of stacked rows of flat chainplates with a gear-like profile that meshes with the sprocket teeth. Each chainplate is attached to a corresponding sprocket, which also allows the chain to bend. While these basic components are the same for every silent roller chain, there are many variations that allow them to be used in a variety of applications.
The most popular high-speed transmission, silent chains feature gear-like sprockets. They can be made from single or multiple strands of material. Single-strand chains are less expensive than multi-strand chains, but they tend to wear out faster if not lubricated. Single-strand roller chains can be used for years without lubrication, but for your application, wide silent chains are still worth considering.
The design and construction of silent chains make them ideal for conveying a wide variety of products. They have flat, heat-resistant surfaces. They are also durable and non-slip. They are available in a variety of pitch sizes, widths, and mounting styles. Whether you need chains for general purpose conveyors or glass bottle transport applications, we have you covered. Ask about the benefits of silent roller chain conveyors.
Inverted tooth chains are another option for quieter chains. These chains are designed to reduce noise from engine-related friction. Silent chains are more common, and manufacturers have fallen in love with them. A silent chain consists of several links connected to the sprocket teeth. Teeth rotate to reduce noise, vibration, and chord action. These are the main reasons why silent chains are so popular.
ANSI chain pitch
To measure your bike’s chain pitch, you can use a caliper. This measurement is taken from the center of the rolling pin to the center of the next rolling pin. Chains come in many sizes, but ANSI is the most common chain standard in the United States. A caliper is handy if you’re not sure which size to buy, as it allows you to check for worn sprockets.
Chains that meet ANSI standards will be characterized by a certain pitch. This measurement is based on the width and spacing of the roll. The spacing is usually greater than the width. The standard number will be the right number for the width of the chain or the left number for the rollers. The number on the left indicates whether the chain is lightweight or heavyweight. Heavyweight chains are designated by the suffix “H”.
Common chain sizes are based on ANSI chain pitch. Pitch is the minimum distance between bushing and sprocket. The smaller the chain pitch, the greater the total distance between the 2 points. This means the chain will last longer. However, if you are buying a chain for a specific application, you should check the pitch carefully as it can affect the performance of the chain.
Roller chain wear measurement
The purpose of roller chain wear measurement is to prevent breakage by monitoring the strain on the chain. There are several ways to measure roller chain wear. The first is to remove the chain from its working position and measure the distance from the sprocket to its measuring end. Another way is to measure the pitch of the chain or the distance between 2 pins. This method is superior to other methods because it is convenient and accurate.
When measuring the wear of a roller chain, it is important to note that the elements of the chain will gradually deform. About 3.75% of the total wear will be on the pins and the rest will be on the internal links. These wear measurements will vary based on the nominal pitch of the chain and the amount of friction the chain is experiencing. Proper lubrication between pins and bushings, load and frequency of articulation all affect wear rates.
It is important to measure the amount of wear on the roller chain to avoid excessive machine failures. The longer the chain runs, the more wear it will wear. Although the length of the chain should be less than the center distance, the excessive load will cause premature wear. Therefore, lubrication is essential. Additionally, the sag of the chain should not exceed 2% to 4% of its center-to-center distance. Finally, check for unusual noise or visible defects. A common cause of excessive roller chain wear is the size of the load. Every chain manufacturer sets a maximum workload for its product.
There are several ways to measure roller chain wear. If using a high-speed drive, it should have at least 11 teeth, and a medium-speed drive should have at least 25 teeth. Also, be sure to check the length of the chain, even if you should. The same goes for the pin diameter, which should be the same or different pitch as the roller chain.
