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ZHangZhoug ZheJiang n copper pipeline Co., Ltd. was established in 1990,located in the Ruanshi Industrial Park in HangZhou, ZHangZhoug province. The 2 section of the company covers an area of 20000 kilo meterspand more than 200 employees. After 28 years of unremitting efforts with higher standards, the company has transformed from the original family workshop to a modern scale enterprise. The product line extends from the single copper refrigeration parts to a number of thousands of products, covering refrigeration,heating,machine fittings, water pipe fittings and valves etc. And strive to open up new areas and new channels to achieve the vision of pipe fittings leading enterprises
The company has formed 5 series of products: Copper capillary series, Copper pressfit series, AC copper pipe fittings, Valve, cards and thread brass fittings. All the series of product not only to meet the customer’s requirements for the national standard CJ/T-2000, the British standard BS864-2, the American Standard ASME B16.22-1995, the European standard EN1254-2 , but also to accept all kinds of non – standard fittings based on the special needs.
The products of ZheJiang n pipeline are certified by ISO9001 international quality system certification and AS 3688 Australia standard. The production process of raw materials inspection, raw material processing, annealing process, product quality inspection and finished packaging are strictly carried out according to Australian standards. Under constant demands and improvements, ZheJiang n has achieved the forefront of the industry in the following aspects.
Rw material control. First, each batch of raw materials must be supplied with certificate of qualification and material element certificate. In accordance with the supplier’s material sheet, the material is promptly notified to the responsible personnel of the material inspection, and the sample is inspecting. the unqualified raw materials will not be accepted. Second, the raw material, due to the change of the internal crystal after the forging process, we will test the rough after the forging in the lab. Third, because of the special use requirements of some products, such as the sealing product and the pressfit product, third times of stress need to be carried out, so the material composition is tested for third times. To ensure that the raw materials of the final product are qualified.
Annealing process is a important step in the processing of products. Better annealing process can greatly improve the durability and safety of products. Our annealing process is carried out in strict accordance with Australian standards, and the products are annealed at stages. For example, the crystal will change and reorganize when the brass material is heated to a certain temperature, so the temperature control is critical, and the dezine resistance of the material can not be damaged. The DZR brass (Dezincification resistance of brass) exported to Australia is strictly implemented in accordance with the Australian standards. Our annealing process can greatly improve the corrosion resistance and dezine resistance of the products. The product meets the requirements of environmental protection, and can be widely used in various sanitary products and direct drinking water projects, so as to ensure the pure and health of drinking water.
The quality control in the production process. First: the rough is checked by the inspector. The staff will measure the accuracy according to the drawing, and all the testing tools are imported from Australia. Second: inspectors carry out uninterrupted inspection of each product being produced. The packaging workshop tests the appearance and size of each product; third, the final product is checked, each product size must conform to the AS3688 drawing standard, and the quality inspection personnel record the product data of the test. In addition, for products that need to be tested for pressure, the inspectors will be able to test the airtightness or water tightness of each product professionally to ensure that each product reaches the pressure standard.
Finally, in the packaging, especially in the export, we use a more CZPT packaging, we use small boxes to pack the products, and then put small boxes in large boxes, double packing to ensure the safety of the product, reduce the transport process damage to the product.
First – class technology, advanced technology, perfect production process, precision testing equipment, every employee is in harmony with each other to highlight the spirit of ZheJiang n. “Quality first, pragmatic and enterprising, user foremost, CZPT to heart” is our company’s purpose. Stable quality and reasonable price are deeply trusted by domestic and overseas customers in the long term development.We will continue to innovate, improve and treat our customers with greater care.
The attitude determines the height, the details determine the success or failure, the above is the summary of the high standard of our production process, not only in the process, in the enterprise staff management, equipment management, warehousing logistics, financial accounting, office environment and other aspects of the high standards of their own. With the continuous self demand and promotion, our product quality will also give customers the perfect use of experience, to help customers win honor and reputation in the market, to realize the vision of the leading enterprise in the field of pipeline fittings.
Types of Couplings
A coupling is a device that connects two shafts together. It transmits power from one end to another and is used for joining rotating equipment. A coupling is flexible and can accommodate a certain amount of end movement and misalignment. This allows for more flexibility in applications. Various types of couplings are available, and each one serves a specific purpose.
There are many types of shaft couplings, and they are used in a wide range of applications. The type you need depends on the torque, speed, and horsepower you need, as well as the size of the shaft and its spatial limitations. You may also need to consider whether the coupling will accommodate misalignment.
Some shaft couplings are flexible, while others are rigid. Flexible couplings can accommodate up to two degrees of misalignment. They are available in different materials, including aluminum, stainless steel, and titanium. They can also be known by different names, depending on the industry. Some couplings can also be used in a single or multiple-shaft application.
The first type of shaft coupling is a rigid coupling, which consists of two parts that fit together tightly around the shafts. These couplings are designed to have more flexibility than sleeved models, and they can be used on fixed shafts as well. The flanged coupling, on the other hand, is designed for heavy loads and is made of two perpendicular flanges. The flanges are large enough to accommodate screws and are generally used with heavy-duty applications.
CZPT shaft couplings are a great choice if you’re looking for a shaft coupling that delivers high performance, durability, and low cost. These metal disc-style couplings provide low backlash and high torsional stiffness. Their high misalignment tolerance reduces reaction loads on connected components, which makes them ideal for high-speed precision applications. Available in single and double-disc models, they have torque ratings of up to 2,200 in-lbs. (250N) and are available in fourteen sizes.
When using shaft couplings, it is important to choose the right type for your application. Backlash can cause a shaft coupling to break or become unusable. In order to prevent this from happening, you should replace worn or loose parts, and ensure that the hub and key are evenly positioned with the shaft. If you’re using a shaft coupling in a motion-control system, it is important to keep the torque level consistent.
Flexible couplings are a type of coupling used to connect two shafts. They are made of rubber or plastic and allow for axial movement of the connected equipment. They do not require lubrication and are resistant to fatigue failure. Flexible couplings are useful for a number of applications. A common type of flexible coupling is the gear coupling, which has gear teeth inside its sleeve. Another type of flexible coupling is the metallic membrane coupling. A metallic membrane coupling is flexible due to flexing metallic discs.
One major disadvantage of flexible couplings is their inability to fit certain types of pipe. This is because most couplings need to be stretched to fit the pipe. This problem is often the result of a change in pipe technology. Traditionally, drain and soil pipe is made of ductile iron or cast iron. Today, most pipes are made of PVC, which has a larger outside diameter than either cast or ductile iron. Because of these changes in pipe technology, many coupling manufacturers have not updated their mold sizing.
Flexible couplings can be either metallic, elastomeric, or a combination of the three. While there are some common characteristics of each type, you should always consider the tradeoffs of each type before choosing one. Generally, the most important considerations when selecting a flexible coupling are torque, misalignment, and ease of assembly and maintenance.
Flexible couplings are used in a wide range of industries. They are useful for connecting two pipes to ensure torque transfer. Although the types available are different, these are the most adaptable couplings in the market. They can withstand movement, vibration, and bending without causing any damage to the piping.
A clutch coupling connects two rotating shafts by friction. The clutch engages power when the engine is running, disengaging power when the brake is applied. Clutch couplings are used in applications where the speed of a machine is variable or where continuous service is required. The clutch can transmit power, torque, and axial force.
Clutch couplings come in a variety of styles and configurations. Some couplings are flexible, while others are rigid. Flexible couplings are available in a variety of materials, including stainless steel and aluminum. Some couplings also have a non-backlash design, which helps compensate for misalignment.
Clutch couplings may be synchronous or asynchronous. Synchronous couplings engage and disengage automatically when the driven machine exceeds its output speed. These couplings are synchronized by a synchronizing mechanism. When the output speed is exceeded, the synchronizing mechanism initiates the engagement process. The synchronizing mechanism does not engage or disengage when the output speed drops.
High speed clutches are available from a variety of manufacturers. Some manufacturers offer OEM assembly, repair services, and third-party logistics. These manufacturers serve the automotive, chemical, food, and wood industries, as well as the oilfield and material handling industries. Custom clutches can be manufactured for specific applications and can be fitted with additional features, such as precision machined teeth or keyway slots and grooves.
Couplings are available in PCE, C/T, and metric bores. Typically, the size of the input and output shafts will determine which type of coupling is needed. In addition, clutches may be configured for intermediate or high speeds, depending on the required torque.
Clamped couplings are commonly used in a variety of industries. They can be used in medical equipment, dental equipment, military equipment, laboratory equipment, and in precision industrial controls. They are available in a wide variety of sizes and keyways. This type of coupling offers a number of advantages, including ease of installation and quick and easy replacement.
A clamp coupling connects two parts by compressing them together. The clamping elements can be formed in a variety of ways, but they all have a gap between their surfaces. This friction squeezes the two parts together, much like pulling two rubber gloves apart. This type of coupling is also useful for joining two hoses or piping units.
Clamped couplings are designed with a single or double clamping shaft. The clamping parts are mounted in two halves and are held together by eight socket head cap screws. They offer high torque capacity and require little installation space. Their high rigidity ensures good positioning accuracy, making them ideal for dynamic drives. In addition, they are wear-free and offer simple radial assembly.
The invention relates to a method and system for clamping pipes to a tank vessel. This invention also relates to a method of loading and unloading tank vessels. The method can be used in oil production platforms and other platforms. A single point mooring method is also used in oil production platforms.
Clamped couplings can also be flexible. They can join two shafts together while allowing a small amount of end movement and misalignment. These couplings may also be used in the assembly of motors and gearboxes.
CZPT couplings are designed to be flexible, allowing them to accommodate misaligned shafts and transmit torque in either direction. They are made with three discs, two hubs, and a center that are arranged with grooves and fins. These features allow for two degrees of freedom during assembly, and can accommodate misalignment of up to 5% of the shaft diameter.
CZPT couplings have many uses. For example, they can be used to join two parallel coaxial rotating shafts. Their ability to transmit torque at the same rotation mechanism and speed makes them ideal for applications where electrical currents may be a problem. Because the couplings are not made of metal, they are electrically isolated. Designers should test their couplings during the prototype stage to ensure they are working properly.
The CZPT coupling consists of two hubs with one slot on each. An intermediate disk is located between the two hubs. The discs are used to reduce or prevent wear on other machine parts. CZPT couplings are inexpensive and easy to replace. They also have electrical insulation, which makes them easy to repair or replace.
CZPT couplings are a popular choice for stepper motor-driven positioning stages. The plastic center disc offers electrical isolation and absorbs shocks from frequent start/stops. These couplings are available in through-hub and blind-bore styles and can be installed in many applications.
CZPT couplings also allow for small degrees of shaft misalignment. This allows them to function in systems where shaft access is limited. They are easily removed without tools.
editor by CX 2023-05-06