China high quality Standard Ductile Iron 300psi Flexible Pipe Coupling From China Factory with high quality

Product Description

Standard Ductile Iron 300psi Flexible Pipe Coupling From China Factory

Specification of Flexible Coupling

 

Nominal Size mm/in Pipe O.;D mm/in Working Pressure PSI/MPa Bolt Size  Dimensions mm/in
No.;-Size mm Ø L H
25              1      33.;7        1.;327 300       2.;07 2-M10*45 55.;         2.;165 95             3.;74 45    1.;772
32            1¼ 42.;4        1.;669 300       2.;07 2-M10*45 65          2.;559 105          4.;133 45    1.;772
40            1½ 48.;3        1.;900 300       2.;07 2-M10*45 71.;         2.;795 110          4.;331 45   1.;772
50              2 60.;3        2.;375 300       2.;07 2-M10*55 82          3.;228 124          4.;882 45   1.;772
65            2½ 73.;0        2.;875 300       2.;07 2-M10*55 98          3.;858 141          5.;551 45   1.;772
65          3OD 76.;1        3.;000 300       2.;07 2-M10*55 100        3.;937  142          5.;59 45   1.;772
80              3 88.;9        3.;500 300       2.;07 2-M10*55 113        4.;449 160          6.;299 46   1.;811
100            4 114.;3      4.;500 300       2.;07 2-M10*55 142        5.;59 190          7.;48 49   1.;929
125        5.;5OD 139.;7      5.;500 300       2.;07 2-M10*55 168        6.;614 218          8.;583 49   1.;929
150        6.;50D 165.;1      6.;500 300       2.;07 2-M10*55 194        7.;638 244          9.;606 49    1.;929
150            6 168.;3      6.;625 300       2.;07 2-M10*55 198        7.;795 248          9.;764 49    1.;929
200            8 219.;1      8.;625 300       2.;07 2-M10*55 256       10.;079 320         12.;598 60     2.;362
250          10 273         10.;748 300       2.;07 2-M10*55 328       12.;913 420         16.;535 64     2.;52
300          12 323.;9      12.;752 300       2.;07 2-M10*55 380       14.;961 454          7.;874 64     2.;52

Instanllation Instruction for Riquid & Flexible Coupling

1.; Pipe preparation Check pipe end for proper grove demensions and assure that pipe end is free of indentations and projections that would prevent proper sealing.;
2.; Lubricate gasket  Check gasket to be sure it’s compatible for the intended service.; Apply thin lubricant to the outside and seal lips of the gasket.;
3.; Gasket installation  Slip the gasket over 1 pipe,; making sure the gasket lip does not overhang the pipe end.;
4.; Alignment  After aligning 2 pipe ends toghther,; pull the gasket into position,; centering between the grooves on each pipe.; The gasket should not extend into the groove on either pipe.;
5.; Housing installation  Remove 1 bolt&nut and loosen the other nut.; Place 1 housing over the gasket,; making sure the housing fit into the pipe grrooves.; Swing the other housing over the gasket and into the grooves on both pipes.; Reinsert the bolt and connect 2 housing.;
6.; Tighten nuts  Firstly tighten nuts by hand and make sure oval neck bolt completely fits into bolt hole.; Then securely tighten nuts alternatively and equally to specified bolt torque by using spanner.;
7.; Installation complete-rigid coupling For rigid coupling,; keep the gaps between bolt pads evenly spaced.; Gaskets cannot be visual.;
8.; Installation complete-flexible coupling  For flexible coupling,; 2 housing should be connected iron to iron.; Gaskets cannot be visual.;
Caution:;
Proper torquing of bolts is required to obtain specified performance.; Over torquing the bolts may result in damage to the bolt and/or casting which could result in pipe joint separation.; Under troquing the bolts may result in lower pressure retention capabilities,; lower bend load capabilities,; joint leakage and pipe joint separation.; Pipe joint separation may result in significant property damange and serious injury.;

Range of products

Rigid coupling,; Flexible coupling,; 90° Elbow,; 45° Elbow,; 22.;5° Elbow,; 11.;25° Elbow,; Tee,; Reducing Tee(Grooved/Threaded);,; Cross,; Reducing Cross(Grooved/Threaded);,; Mechnical Tee(Grooved/Threaded);,; Mechnical Cross(Grooved/Threaded);,; U-bolted Mechnical Tee,; Reducer(Grooved/Threaded);,; Grooved Eccentric Reducer,; Grooved Split Flange,; Grooved Adaptor Flange,; Cap.;

Detailed information

Certificate :; UL listed & FM approved

Material :; Ductile Iron conforming to ASTM A536,; Grade 65–45–12

Thread :; BSPT & BSP & NPT

Standard Coat :; Epoxy-RAL3000

Optional :; 1.; painted 2.;dacromat 3.;galvanized

Color :; Red,; Blue,; Orange,; White

Gasket :; EPDM / NBR / Silicon Rubber

Bolts and Nuts :; ISO 898-1class 8.;8

Payment term :;  T/T,; LC at sight
Package :; Cartons with pallet/ Wooden case
Delivery time:; 25-40 Days

Gasket
 

Gasket Material Temperature Range Recommendations  Color
E EPDM -34ºC~+110ºC
(-30~+230ºC);
Recommend for hot water,; dilute acid,; oil-free gas and other mecmicals(except for hybrocarbon); within the specified temperature range.; Not recommend for petroleum and hydrocarbon.; Green Strip
D NBR -29ºC~+82ºC
(-20~+180ºC);
Recommended for petroleum products,; gas with oil vapors,; mineral oil and vegetable oil.; Not recommended for high temperature materials.; Orange Strip
S Silicon Rubber -40ºC~+177ºC
(-40~+350ºC);
Recommended for high temperature and dry air,; and some high temperature chemicals.; White

Why choose 1nuo?

HangZhou CZPT has strong technical strength and possesses the world’s first-class equipment and technology,; as well as perfect testing methods.; All rough castings of grooved fittings will be processed and produced by electric-furnace smelting,; on-line monitoring and control and automatic molding methods.; Now our facilities include eleven medium frequency furnace,; 4 advanced vertical parting molding lines and 3 painting lines.; Every customer’s requirements can be satisfied by customized services.;

Yinuo’s ductile iron grooved fittings have successively passed the China national type test,; ISO 9001 and FM&UL approvals etc.; Our products are underwritten by China Ping An Insurance(Group); Co.;,;Ltd.; The grooved pipe fittings are widely used in fire fighting,; air-conditioning,; water supply,; sewage,; cement,; low-pressure steaming,; mine piping and ordinary piping delivery.; 

CE Certificate&UL Listed&FM Approved

ø Corporate Vision:; Where there is pipes,; there is 1nuo.;
ø Corporate Mission:; Connecting pipeline around the world,; benefiting homes in every building.;
ø Competitive Strategy:; To supply market with perfect products,; to win customers with excellent service.;
ø Core Value:; Pragmatic honesty,; quality first,; continuous innovation and CZPT cooperation.;
ø Quality Value:; We survive with quality and develop by technology

Screw Shaft Types

A screw shaft is a cylindrical part that turns. Depending on its size, it is able to drive many different types of devices. The following information outlines the different types of screws, including their sizes, material, function, and applications. To help you select the right screw shaft, consider the following factors:
screwshaft

Size

A screw can come in a variety of shapes and sizes, ranging from a quarter to a quarter-inch in diameter. A screw is a cylindrical shaft with an inclined plane wrapped around it, and its main function is to fasten objects together by translating torque into a linear force. This article will discuss the dimensions of screws and how to determine the size of a screw. It is important to note that screw sizes can be large and small depending on the purpose.
The diameter of a screw is the diameter of its shaft, and it must match the inner diameter of its nuts and washers. Screws of a certain diameter are also called machine screws, and they can be larger or smaller. Screw diameters are measured on the shaft underneath the screw head. The American Society of Mechanical Engineers (ASME) standardized screw diameters in 3/50-inch to 16 (3/8-inch) inches, and more recently, sizes were added in U.S. fractions of an inch. While shaft and head diameters are standardized, screw length may vary from job to job.
In the case of the 2.3-mm screw group, the construct strength was not improved by the 1.2-mm group. The smaller screw size did not increase the strength of the construct. Further, ABS material did not improve the construct strength. Thus, the size of screw shaft is an important consideration in model design. And remember that the more complex your model is, the larger it will be. A screw of a given size will have a similar failure rate as a screw of a different diameter.
Although different screw sizes are widely used, the differences in screw size were not statistically significant. Although there are some limitations, screws of different sizes are generally sufficient for fixation of a metacarpal shaft fracture. However, further clinical studies are needed to compare screw sizes for fracture union rates. So, if you are unsure of what size of screw shaft you need for your case, make sure to check the metric chart and ensure you use the right one.
screwshaft

Material

The material of a screw shaft plays an important role in the overall performance of a screw. Axial and central forces act to apply torque to the screw, while external forces, such as friction, exert a bending moment. The torsional moments are reflected in the torque, and this causes the screw to rotate at a higher rate than necessary. To ensure the longevity of the screw, the material of the screw shaft should be able to handle the bending moment, while the diameter of the shaft should be small enough to avoid causing damage.
Screws are made from different metals, such as steel, brass, titanium, and bronze. Manufacturers often apply a top coating of chromium, brass, or zinc to improve corrosion resistance. Screws made of aluminum are not durable and are prone to rusting due to exposure to weather conditions. The majority of screw shafts are self-locking. They are suited for many applications, including threaded fasteners, C-clamps, and vises.
Screws that are fabricated with conical sections typically feature reduced open cross-sectional areas at the discharge point. This is a key design parameter of conical screw shafts. In fact, reductions of up to 72% are common across a variety of applications. If the screw is designed to have a hard-iron hanger bearing, it must be hardened. If the screw shaft is not hardened, it will require an additional lubricant.
Another consideration is the threads. Screw shafts are typically made of high-precision threads and ridges. These are manufactured on lathes and CNC machines. Different shapes require different materials. Materials for the screw shaft vary. There are many different sizes and shapes available, and each 1 has its own application. In addition to helical and conical screw shafts, different materials are also available. When choosing material, the best 1 depends on the application.
The life of the screw depends on its size, load, and design. In general, the material of the screw shaft, nut body, and balls and rollers determine its fatigue life. This affects the overall life of the screw. To determine whether a specific screw has a longer or shorter life, the manufacturer must consider these factors, as well as the application requirements. The material should be clean and free of imperfections. It should be smooth and free of cracks or flaking, which may result in premature failure.

Function

The function of a screw shaft is to facilitate the rotation of a screw. Screws have several thread forms, including single-start, double-start and multi-start. Each form has its own advantages and disadvantages. In this article we’ll explore each of them in detail. The function of a screw shaft can vary based on its design, but the following are common types. Here are some examples of screw shaft types and their purposes.
The screw’s torque enables it to lift objects. It can be used in conjunction with a bolt and nut to lift a load. Screws are also used to secure objects together. You can use them in screw presses, vises, and screw jacks. But their primary function is to hold objects together. Listed below are some of their main functions. When used to lift heavy loads, they can provide the required force to secure an object.
Screws can be classified into 2 types: square and round. Square threads are more efficient than round ones because they apply 0deg of angle to the nut. Square threads are also stronger than round threads and are often used in high-load applications. They’re generally cheaper to manufacture and are more difficult to break. And unlike square threads, which have a 0deg thread angle, these threads can’t be broken easily with a screwdriver.
A screw’s head is made of a series of spiral-like structures that extend from a cylindrical part to a tip. This portion of the screw is called the shank and is made of the smallest area. The shank is the portion that applies more force to the object. As the shaft extends from the head, it becomes thinner and narrow, forming a pointed tip. The head is the most important part of the screw, so it needs to be strong to perform its function.
The diameter of the screw shaft is measured in millimeters. The M8 screw has a thread pitch of 1.25 mm. Generally, the size of the screw shaft is indicated by the major and minor diameter. These dimensions are appended with a multiplication sign (M8x1).
screwshaft

Applications

The design of screws, including their size and shape, determines their critical rotating speeds. These speeds depend on the threaded part of the screw, the helix angle, and the geometry of the contact surfaces. When applied to a screw, these limits are referred to as “permissible speed limits.” These maximum speeds are meant for short periods of time and optimized running conditions. Continuous operation at these speeds can reduce the calculated life of a nut mechanism.
The main materials used to manufacture screws and screw shafts include steel, stainless steel, titanium, bronze, and brass. Screws may be coated for corrosion resistance, or they may be made of aluminium. Some materials can be threaded, including Teflon and nylon. Screw threads can even be molded into glass or porcelain. For the most part, steel and stainless steel are the most common materials for screw shafts. Depending on the purpose, a screw will be made of a material that is suitable for the application.
In addition to being used in fasteners, screw shafts are used in micrometers, drillers, conveyor belts, and helicopter blades. There are numerous applications of screw shafts, from weighing scales to measuring lengths. If you’re in the market for a screw, make sure to check out these applications. You’ll be happy you did! They can help you get the job done faster. So, don’t delay your next project.
If you’re interested in learning about screw sizing, then it’s important to know the axial and moment loads that your screws will experience. By following the laws of mechanics and knowing the load you can calculate the nominal life of your screw. You can also consider the effect of misalignment, uneven loading, and shocks on your screw. These will all affect the life of your screw. Then, you can select the right screw.

China high quality Standard Ductile Iron 300psi Flexible Pipe Coupling From China Factory   with high qualityChina high quality Standard Ductile Iron 300psi Flexible Pipe Coupling From China Factory   with high quality