China manufacturer 2023 Ductile Iron Cast Iron Dismantling Joint Coupling Pn10/16/25/40 a coupling reaction

Product Description

Product Description

        Double flanged loose sleeve force transfer joint, type VSSJAF(1990 standard) or C2F(2007 standard), consists of flanged loose sleeve

expansion joint, short pipe flange, force transfer screw and other components. It can transfer the pressure thrust of the connected parts (blind

plate force) and compensate the installation error of the pipeline, can not absorb the axial displacement, mainly used for the loose sleeve

connection with the pump, valve and other accessories.

Advantages: easy to install, easy to install the valve, can withstand the pipeline axial tension.

Detailed Photos



Product Parameters



DN DW                       flange  connection size total
 Regulating quantity
flange outer diameter
Bolt hole center circle diameter


 Bolt aperture


65 76 185 145 18 4 330 200 20
80 89 200 160 18 8 330 200 20
100 114 220 180 18 8 330 200 20
125 140 250 210 18 8 330 200 20
150 168 285 240 22 8 340 200 20
200 219 340 295 22 8 340 200 20
250 273 395 350 22 12 340 200 20
300 325 445 400 22 12 370 220 25
350 377 505 460 22 16 370 220 25
400 426 565 515 26 16 380 220 25
450 480 615 565 26 20 380 220 25
500 530 670 620 26 20 380 220 25
600 630 780 725 30 24 420 240 25
700 720 895 840 30 24 420 240 25
800 820 1015 950 33 24 560 350 30
900 920 1115 1050 33 28 560 350 30
1000 1571 1230 1160 36 28 560 350 30
1200 1220 1455 1380 39 32 600 370 30
1400 1420 1675 1590 42 36 630 370 30
1600 1620 1915 1820 48 40 670 380 30
1800 1820 2115 2571 48 44 670 380 30
2000 2571 2325 2230 48 48 690 400 30
2200 2220 2550 2440 56 52 730 400 30
2400 2420 2760 2650 56 56 730 400 30
2600 2620 2960 2850 56 60 820 450 40
2800 2820 3180 3070 56 64 820 450 40
3000 3571 3405 3290 60 68 840 450 40

The above data is for reference only, we can also customize according to your needs.

If you want to know more details of our products,pls click here to contact us!

products application


This product is suitable for conveying sea water, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil,

refined oil, air, gas, temperature is not higher than 250ºC steam and granule powder and other media.


Our Advantages

1). Qualified detachable double flange power delivery joint Supplier in  China’s west to east gas pipeline project;

(2) Strong R&D strength;

(3) Strict Quality Control System;

(4) Perfect Test System;

(5) Professional After-sale Service Team;

6) OEM Service.

Company Profile


   HangZhou  Ruixuan pipeline  equipment  factory  was   founded in  1996.   It  is an excellent  private  enterprise  specializing  in manufacturing  and selling pipe fittings.It’s  located  in Xicun  village ,HangZhou  city,ZheJiang province ,the concentrated  area  of pipeline equipment industry  in China.The company factory  is located  in Xicun town pipeline equipment industrial  park.It covered an area of20000  square  meters. Our company  mainly produces rubber expansion joints ,metal bellow  expansion joints, flexible metal hose ,repair clamp ,dismantling joints and other pipe fittings.All  products are designed and produced strictly according to national standards. Special specifications can be customized according to your needs and requirements, with attentive service and reliable quality. It has become a high-quality supplier for multiple enterprises.We  sincerely hope for your cooperation.






Q1: What is the Warranty for the double flange delivery joint ?
A1.  For the double flange delivery joint  ,we have 18 monthes warranty.If any quality problems on our side occured in this period ,we will take on the shipping cost and replacement.
double flange delivery joint

Q2: What is the specific size of the double flange delivery joint ?
A2.We have different size of mold,so we have some special length for every size. For the rare requirements of our customers,we are able to design model to produt it.
double flange delivery joint

Q3: What is the payment terms?
 A3.You can through T/T,Western union ,Paypal ,Escrow.OA/Cash/Paypal/Credit/Alibaba Escow/Visa/Master Card .Normally 30% deposit,and 70% balance payment before shipment
double flange delivery joint

Q4.Can i get a sample of double flange delivery joint ?
 A4.Of cause you can!  we provide sample to every customer.If you are interest in our company enquiry,we will try our best to meet your requirements.
double flange delivery joint

Q5. Is that your company have another products for us to choose from?
A5: Our main products include rotary joint, telescopic expansion joint ,  oil hose  ,metal hose and  hydraulic hose 
double flange delivery joint

Q6. What is the our MOQ for the double flange delivery joint ?
A6: Our MOQ is 1 piece of double flange delivery joint  . You can also get it as a sample to test our product quality.
double flange delivery joint

Q7.When we contact you ?
A7.24 hours a day,anytime and anywhere


Shipping Cost:

Estimated freight per unit.

To be negotiated|

Freight Cost Calculator

Brand Name: Ruixuan
Model Number: Vssjaf/C2f
Technics: Forged
US$ 8/Piece
1 Piece(Min.Order)


Order Sample



Customized Request


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.

Shaft couplings

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

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.

Clutch couplings

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

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’s coupling

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.
China manufacturer 2023 Ductile Iron Cast Iron Dismantling Joint Coupling Pn10/16/25/40   a coupling reactionChina manufacturer 2023 Ductile Iron Cast Iron Dismantling Joint Coupling Pn10/16/25/40   a coupling reaction
editor by CX 2023-06-07