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China Hot selling Steel Weld-on Forge Ss Steel Bearing Rubber Coupling with Flange Carbon Steel Threaded Flange Manufacturer in China

Product Description

steel weld-on forge SS steel bearing rubber coupling with flange carbon steel threaded flange Manufacturer in China
1.Product Introduction
    ZheJiang Shengxiangtong Flange Co., Ltd is located in HangZhou City, ZheJiang Province, with convenient transportation and fast logictics. 
    The main flanges include: stainless steel flanges, flat welding flanges, butt welding flanges, blind flanges, large diameter elbows, high pressure flanges, small diameter flanges, tube plates, manhole flanges and elbows , Tee and other products.
    Shengxiangtong Flange have been sold to Africa, Europe, the Middle East, Southeast Asia, South America, etc, over 30 countries, has a high reputation in the overseas markets. 

2.Product Details
1.Face Type: Available of raised face(RF), full face(FF), Ring joint(RTJ) , Groove, Tongue, or customized.
2.Seal face: smooth face, waterlines, serrated finished
3.CNC fine finished.

Face finish:   
Arithmetical Average Roughness Height(AARH).
The finish is determined by the standard used.
ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra).

Other finishes on requst
1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra.
The range 3.2/6.3Ra is most common

Technology Forging
Size Range DN 10 – DN 2000
1/2″- 48″
Pressure Ratings Class 150#, 300#, 600#, 900#, 1500#, 2500#, etc.
PN PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160, etc.
Sealing Type FF, RF, RJ, FM, M, T, G, etc.
Sealing Finish Smooth or Spiral Finish (As your request)
Materials Stainless steel ASTM A182 Gr. F304/304L/316/316L
ASTM A403 WP304/304L/316/316L
ASTM A351 Gr. CF3/CF8/CF3M/CF8M
Duplex steel UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462, 1.4410, 1.4501 and etc.
Varieties PL (Plate Flat), WN (Weld Neck), BL (Blind), SO (Slip-ons), SW (Socket Welds), TH (threaded), LJ/SE(Lapped Flange/Stub ends), PJ/SE, LF/SE, etc.
Standard USA ASME B16.5, ASME B16.47, MSS SP-44, AWWA C207
European Union EN 1092-1
Britain BS 4504, BS 10
Australia AS 2129, AS/NZ 4087, AS 4331
New Zealand AS/NZ 4087
Russia GOST 12820, GOST 12815, GOST 12821, GOST 33259
Germany DIN 2627 – DIN 2638, DIN 2558, DIN 2665 – DIN 2569, DIN 2573, DIN 2576, DIN 2641, etc.
Korea KS B1503
Japan JIS B2220
South Africa SABS 1123, SANS 1123
ISO ISO 7005-1
Package PE film + Plywood case
Trade Terms EXW, FOB, CFR, CIF, etc.
Payment Terms T/T, L/C, CAD, Credit Card
Delivery Time Within 20 days for massive quantity
Within 7 days for stock products
Application Petrochemical & Gas industry, chemical, machinery, electric power, shipbuilding, papermaking, construction Water works, Shipbuilding industry, Power industry, Valve industry,and general pipes connecting projects etc.

 

3.Application Scenarios

    Petrochemical industy;avation and aerospace industry; pharmaceutical industry;gas exhaust;power plant;ship buliding; water treament,etc.

4.Product Parameter

Product
Name		 ANSI B165 ASTM A105 A106 Carbon Steel/ Q235 / Stainless
Steel FF RF TG RJ Matel Ss400 Forged Welding Neck Flanges
Size 1/2″-110″
Pressure 150#-2500#,PN0.6-PN400,5K-40K,API 2000-15000
Standard ANSI B16.5,EN1092-1, SABA1123, JISB2220, DIN, GOST,UNI,AS2129, API 6A, etc.
Wall 
thickness		 SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60,SCH80, SCH160, XXS and etc.
Material Stainless steel: 
A182F304/304L, A182 F316/316L, A182F321, A182F310S, A182F347H, A182F316Ti,  317/317L, 904L, 1.4301, 1.4307, 1.4401, 1.4571,1.4541, 254Mo and etc.
Carbon steel: 
A105, A350LF2, S235Jr, S275Jr, St37, St45.8, A42CP,A48CP, E24 , A515 Gr60, A515 Gr 70 etc.
Duplex stainless steel: 
UNS31803, SAF2205, UNS32205, UNS31500, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc.
Pipeline steel: 
A694 F42, A694F52, A694 F60, A694 F65, A694 F70, A694 F80 etc.
Nickel alloy: 
inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc.
Cr-Mo alloy: 
A182F11, A182F5, A182F22, A182F91, A182F9, 16mo3,15Crmo, etc.

5.Product Advantages
1.Flange Types: Slip-On Flange, Welding Neck Flange, Blind Flange, Socket Welding Flange, Threaded Flange, Lap Joint Flange and Plate etc
2.Pressure Ratings: 150lbs, 300lbs, 600lbs, 900lbs…
3. High quality flanges
4. Compective price
5.Ready stock,
6.available in all sizes,customized; 
7. Fast delivery

6.Product testing and quality control

7.Processing Procedure

8.Product Package
Shipping:

  1.  WORLDWIDE SHIPPING. (Except some countries and APO/FPO) 
  2. Goods delivered by 20″ , 40″ FCL/LCL by quantity or customer’s request.
  3. Customers specifying freight forwarders or negotiable shipping methods!
  4. Delivery Time: 10-30days after conformed or according to quantity.

9.Company Introduction
    ZheJiang Shengxiangtong Flange Co.,Ltd has a complete industrial production base, building area of more than 10,000 square meters. The company has modern workshops and professional production line, the company equipment: air hammer, hammer, press, grinding machine, CNC lathe, vertical lathe, CNC gantry drilling, CNC drilling, U automatically presbyopia machines also owns a group of highly professional design and development staff, high quality of the senior management staff and efficient technical personnel.
    Shengxiangtong Flange mainly produces forged carbon steel flanges: flat flanges, sliding flanges, slotted flanges, galvanized flanges, special-shaped flanges such as method LAN. From the incoming inspection of materials and parts to the safety inspection of products, the whole process is checked by professional technical personnel to ensure the quality of products. Products are exported to Russia, South Africa, Japan, South Korea, Australia and other countries, our company has a good reputation and sales in the industry.

10.FAQ
Q: Why would I choose you?
A: We, ZheJiang Shengxiangtong Flange Co.,Ltd., has a complete industrial production base, building area of more than 10,000 square meters. The company has modern workshops and professional production line. Advanced manufacturing equipment, perfect inspection method would assure the quality of our products. Sovereignty for exporting and importing and over 15-year export experience would ensure our cooperation smooth.
Q: May I have free sample before ordering?
A: Yes, our company is very pleased to send you free samples for quality test, but freight cost would be afforded by your side
Q: What about production time?
A: Sample order: 4 – 7 days if out of stock, or deliver at once
      Massive order: 5 – 20 days after getting deposit, depend on exact order
Q: Do your company have the export license?
A: Yes, we have Sovereignty for exporting and importing.
Q: Which trade terms can I choose?
A: Ex-W, FOB, CIF, CNF. As for others, we can negotiate accordingly
Q: How about payment term your company accept?
A: For small testing orders, we accept Western Union and T/T.
     For massive order, we accept T/T and L/C.
  

rubber coupling

Durometer Hardness in Rubber Coupling Materials

Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.

The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.

In relation to rubber couplings:

  • Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
  • Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.

The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.

rubber coupling

Comparison of Rubber Couplings with Other Flexible Coupling Types

Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:

Rubber Couplings:

  • Transmit torque while damping vibrations through the flexibility of rubber elements.
  • Provide good misalignment compensation and shock absorption.
  • Relatively simple construction and cost-effective.
  • Effective in reducing noise and vibration in applications.
  • Suitable for moderate to high torque applications with moderate misalignment.

Elastomeric Couplings:

  • Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
  • Offer higher torque capacity and stiffness compared to rubber couplings.
  • Provide better misalignment compensation and torsional stiffness.
  • Wider range of sizes and configurations for various applications.
  • Commonly used in pumps, compressors, and other machinery.

Disc Couplings:

  • Use a series of metal discs to transmit torque and accommodate misalignment.
  • Offer high torsional stiffness and accuracy in torque transmission.
  • Can handle higher speeds and torque compared to rubber or elastomeric couplings.
  • Require precision in manufacturing and installation.
  • Used in applications requiring high precision and minimal backlash.

When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

rubber coupling

Types of Rubber Couplings Designed for Specific Uses

There are several types of rubber couplings, each designed with specific characteristics to suit various applications:

  • Flexible Jaw Couplings: These couplings consist of two hubs connected by a flexible rubber element. They are commonly used in applications where misalignment, vibrations, and shocks need to be dampened, such as in pumps, fans, and compressors.
  • Oldham Couplings: Oldham couplings use a rubber disk as the intermediate element between two hubs. They provide compensation for misalignment while maintaining a constant velocity between input and output shafts, often used in printing, packaging, and CNC machinery.
  • Tyre Couplings: These couplings have a high degree of torsional flexibility and are suitable for applications with substantial misalignment and shock absorption requirements, like in heavy-duty machinery and construction equipment.
  • Pin and Bush Couplings: These couplings use rubber bushes to provide vibration isolation and accommodate misalignment. They are used in various industrial applications, including conveyors, mixers, and crushers.
  • Diaphragm Couplings: Diaphragm couplings use a flexible rubber diaphragm to transmit torque and compensate for misalignment. They are commonly found in precision equipment like servo motors and robotics.

Each type of rubber coupling is designed to address specific needs in different applications. The choice of coupling depends on factors such as the degree of misalignment, torque requirements, shock absorption, and the level of precision needed.

China Hot selling Steel Weld-on Forge Ss Steel Bearing Rubber Coupling with Flange Carbon Steel Threaded Flange Manufacturer in China China Hot selling Steel Weld-on Forge Ss Steel Bearing Rubber Coupling with Flange Carbon Steel Threaded Flange Manufacturer in China
editor by CX 2023-09-28

China manufacturer Forged Threaded Fitting Stainless Steel Coupling DIN (1.4301H, X5CrNBi1810H) coupling bearing

Product Description

Dimension
1/2″ to 4″(DN15~DN100);
Range(Wall Thickness);:;
3000LB to 9000LB
XS,; Sch80,; Sch160,; XXS.;
Standard                           
ASME/ANSI B16.;11
MSS SP-79,; MSS SP-83,; MSS SP-114  
JIS B2316,; JIS B2302 etc.;
Material:;
General Stainless steel,; Super Stainless Steel,; Duplex Stainless Steel (Ferritic-Austenitic Stainless Steel);,; Austenitic Stainless Steel,; Martensitic Stainless Steel,; Ferritic Stainless Steel.; etc.;
 
Material Grade(Only lists part);:;
 

TYPE ASTM EN/DIN JIS
General Stainless Steel A182:;
F304,; F304L,; F304H,; F304N,; F304LN
F310,; F310H,; F310MoLN
F316,; F316L,; F316H,; F316N,; F316LN,; F316Ti
F317,; F317L
F321,; F321H
F347,; F347H,; F347LN
F304/F304L,; F316/F316L,;
F317/F317L,; F321/F321H.;
F6a,; F6b,; F429,; F430
S31727,; S32053
F20,; F44,; F45,; F46
F47,; F48,; F49,; F56
F58,; F62,; F63,; F64,; F70		 1.;4301(X5CrNi1810);
1.;4306(X2CrNi1911);
1.;4301H(X5CrNBi1810H);
1.;4311(X2CrNiN1810);
1.;4845(X12CrNi2521);
1.;4401(X5CrNiMo17122);
1.;4404(X2CrNiMo171321);
1.;4919(X6CrNiMo1713);
1.;4406(X2CrNiMoN17122);
1.;4571(X6CrNiMoTi17122);
1.;4438(X2CrNIMo18164);
1.;4449(X5CrNiMo1713);
1.;4541(X6CrNiTi1810);
1.;4541H(X6CrNiTi1810H);
1.;4550(X6CrNiNb1810);		 SUS304
SUS304H
SUS304L
SUS310
SUS310S
SUS316
SUS316H
SUS316L
SUS316Ti
SUS317
SUS317L
SUS321
SUS321H
SUS347
SUS347H
Duplex Steel A182:;
F51(UNS S31803);
F53(UNS S32750);
F55(UNS S32760);
F60(UNS S32205);
F50,; F52,; F54,; F57
F59,; F61,; F65,; F66
F67,; F68,; F69,; F71		  
1.;4462(X2CrNiMoN22-5-3);,;
1.;4410(X2CrNiMoN25-7-4);
1.;4501(X2CrNiMoCuWN25-7-4);		 SUS329J3L
SUS329J3LTB
SUS329J3LTP
Super Stainless Steel A182:;
F904L(UNS N5714);
F44(UNS S31254 or 254SMO);		  
1.;4539(X2NiCrMoCu25-20-5);,;
1.;4547(X2NiCrMoCu20-18-7);		  
SUS890L

 

 

Wall Thickness: All Thickness
Delivery Detai: One Week Quick Push Fit Fitting
Color: Customized
Technics: Forged
Transport Package: Wooden and Acc. to Customer′s Requirements.
Specification: CE, ASME, API, AD2000, BV, ABS, ISO9001
Samples:
US$ 20/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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Customized Request

Types of Couplings

A coupling is a device that connects two shafts and transmits power from one to the other. Its main purpose is to join two pieces of rotating equipment. It also allows for some degree of misalignment or end movement. Here are a few examples of coupling types: Beam coupling, Flexible coupling, Magnetic coupling, and Shaft coupling.
gearbox

Beam coupling

Beam couplings are used to couple motors and other devices. They are available in several types, including flexible, slit, and rigid beam couplings. Each has unique properties and characteristics. These couplings are best for applications requiring a high level of precision and long life. They are also a practical solution for the connection of stepping and servo motors with screw rods.
Beam couplings are usually made of stainless steel or aluminum alloy, and feature spiral and parallel cut designs. Multiple cuts allow the coupling to accommodate multiple beams and improve angular and parallel misalignment tolerances. Additionally, beam couplings are comparatively cheaper than other types of rotary joints, and they require minimal maintenance.
The materials of a beam coupling should be considered early in the specification process. They are typically made of aluminum or stainless steel, but they can also be manufactured from Delrin, titanium, and other engineering grade materials. Beam couplings are often available in multiple sizes to fit specific shaft diameters.
Beam couplings are a key component of motion control systems. They provide excellent characteristics when used properly, and they are a popular choice for many applications. A thorough understanding of each type of coupling will help to prevent coupling failure and enhance system performance. Therefore, it is important to choose the right coupling for your application.
Various types of beam couplings have unique advantages and disadvantages. The FCR/FSR design has two sets of three beams. It is available in both metric and inch shaft sizes. The FCR/FSR couplings are ideal for light-duty power transmission applications. A metric shaft is more suitable for these applications, while an inch shaft is preferred for heavier duty applications.
Two types of beam couplings are available from Ruland. The Ruland Flexible beam coupling has a multi-helical cut design that offers a greater flexibility than commodity beam couplings. This design allows for higher torque capabilities while minimizing wind-up. In addition, it is also more durable than its commodity counterparts.

Flexible coupling

A flexible coupling is a versatile mechanical connection that allows for the easy coupling of two moving parts. The design of these couplings allows for a variety of stiffness levels and can address a variety of problems, such as torsional vibrations or critical speed. However, there are a number of tradeoffs associated with flexible couplings.
One of the biggest issues is the installation of the coupling, which requires stretching. This problem can be exacerbated by cold temperatures. In such a case, it is vital to install the coupling properly. Using a gear clamp is one of the most important steps in a successful installation. A gear clamp will keep the coupling in place and prevent it from leaking.
Another common type of flexible coupling is the gear coupling. These couplings are composed of two hubs with crowned external gear teeth that mesh with two internally splined flanged sleeves. The massive size of the teeth makes them resemble gears. Gear couplings offer good torque characteristics but require periodic lubrication. These couplings can also be expensive and have a limited number of applications.
Another type of flexible coupling is the SDP/SI helical coupling. These couplings can accommodate axial motion, angular misalignment, and parallel offset. This design incorporates a spiral pattern that makes them flexible. These couplings are available in stainless steel and aluminum.
A flexible coupling has a wide range of applications. Generally, it is used to connect two rotating pieces of equipment. Depending on its design, it can be used to join two pieces of machinery that move in different directions. This type of coupling is a type of elastomeric coupling, which has elastic properties.
There are many types of flexible couplings available for different types of applications. The purpose of a flexible coupling is to transmit rotational power from one shaft to another. It is also useful for transmitting torque. However, it is important to note that not all flexible couplings are created equally. Make sure to use a reputable brand for your coupling needs. It will ensure a reliable connection.
The simplest and most commonly used type of flexible coupling is the grid coupling. This type of coupling uses two hubs with slotted surfaces. The steel grid is allowed to slide along these slots, which gives it the ability to flex. The only limitation of this type of coupling is that it can only tolerate a 1/3 degree misalignment. It can transmit torques up to 3,656 Nm.
gearbox

Magnetic coupling

Magnetic coupling is a technique used to transfer torque from one shaft to another using a magnetic field. It is the most common type of coupling used in machinery. It is highly effective when transferring torque from a rotating motor to a rotating shaft. Magnetic couplings can handle high torques and high speeds.
Magnetic coupling is described by the energy difference between a high-spin state and a broken symmetry state, with the former being the energy of a true singlet state. In single-determinant theories, this energy difference is called the Kij. Usually, the broken-symmetry state is a state with two interacting local high-spin centers.
The magnetic coupling device is regarded as a qualitative leap in the reaction still industry. It has solved a number of problems that had plagued the industry, including flammability, explosiveness, and leakage. Magnetic couplings are a great solution for many applications. The chemical and pharmaceutical industries use them for various processes, including reaction stills.
Magnetic couplings are a good choice for harsh environments and for tight spaces. Their enclosed design keeps them fluid and dust-proof. They are also corrosion-resistant. In addition, magnetic couplings are more affordable than mechanical couplings, especially in areas where access is restricted. They are also popular for testing and temporary installations.
Another use for magnetic coupling is in touch screens. While touch screens use capacitive and resistive elements, magnetic coupling has found a cool new application in wireless charging. While the finger tracking on touch screens may seem like a boley job, the process is very sensitive. The devices that use wireless charging need to have very large coils that are locked into resonant magnetic coupling.
Magnetic couplings also help reduce hydraulic horsepower. They cushion starts and reduce alignment problems. They can also improve flow in oversized pumps. A magnetic coupling with an 8 percent air gap can reduce hydraulic HP by approximately 27 percent. In addition, they can be used in aggressive environments. They also help reduce repair costs.
Magnetic couplings are a great choice for pumps and propeller systems because they have the added advantage of being watertight and preventing shaft failure. These systems also have the benefit of not requiring rotating seals.
gearbox

Shaft coupling

A shaft coupling joins two shafts and transmits rotational motion. Generally, shaft couplings allow for some degree of misalignment, but there are also torque limiters. Selecting the right coupling can save you time and money and prevent equipment downtime. Here are the main features to consider when purchasing a coupling for your application.
Shaft couplings should be easy to install and disassemble, transmit full power to the mated shaft, and reduce shock loads. A shaft coupling that does not have projecting parts should be used for machines that move or rotate at high speeds. Some types of shaft couplings are flexible while others are rigid.
Shaft couplings can be used in a variety of applications, including piping systems. They can be used to connect shafts that are misaligned and help maintain alignment. They can also be used for vibration dampening. Shaft couplings also allow shafts to be disconnected when necessary.
Shaft couplings can accommodate a certain amount of backlash, but this backlash must be well within the tolerance set by the system. Extremely high backlash can break the coupling and cause excessive wear and stress. In addition, excessive backlash can lead to erratic alignment readings. To avoid these issues, operators must reduce backlash to less than 2deg.
Shaft couplings are often referred to by different names. Some are referred to as “sliced” couplings while others are known as “slit” couplings. Both types offer high torque and torsional stiffness. These couplings are typically made from metals with various alloys, such as acetal, stainless steel, or titanium.
CZPT Pulley produces shaft couplings for a variety of applications. These products are used in high-power transmission systems. They have several advantages over friction couplings. In addition to minimizing wear, they don’t require lubrication. They are also capable of transmitting high torque and high speeds.
Another type of shaft coupling is the universal coupling. It is used to transmit power to multiple machines with different spindles. Its keyed receiving side and flanges allow it to transmit power from one machine to another.
China manufacturer Forged Threaded Fitting Stainless Steel Coupling DIN (1.4301H, X5CrNBi1810H) coupling bearingChina manufacturer Forged Threaded Fitting Stainless Steel Coupling DIN (1.4301H, X5CrNBi1810H) coupling bearing
editor by CX