China best 12” flange or thread connection 2 passages rotary joint hydraulic rotary coupling coupling alignment

Type: Fittings
size: 1/2”
max pressure: 280 bar
max speed: 300 RPM
business type: manufacturer
medium: hydraulic oil, air
max temperature: 100℃
name: 2 passages rotary joint hydraulic rotary coupling
body: carbon steel with nickle
connection type: thread
delivery time: 3 to 7 days
Packaging Details: standard wooden/paper box for 2 passages rotary joint hydraulic rotary coupling

1/2” flange or thread connection 2 passages rotary joint hydraulic rotary coupling
What is the operating condition of our rotary joint?

Max hydraulic oil pressure: 300bar
Max air pressure: 10bar
Working temperature: -20°~+100°
Max speed: YS-1681(955r/min) YS-1682(955r/min) YS-1683(890r/min) YS-1684(640r/min)

What is the specification of our rotary joint?

Model A B C D1 D2 D3 D4 DN d E H L L1 L2
YS-2691 M14*1.5 M10*1.5 10 79 65 98 75 6 7 19 30 180 102 28
YS-2692 M16*1.5 M12*1.5 11 93 75 103 80 8 9 21 33 200 113 32
YS-2693 M18*1.5 M14*1.5 12 103 85 113 90 10 9 23 35 212 118 35
YS-2694 M22*1.5 M14*1.5 15 108 90 118 105 13 11 26 40 242 132 45
YS-2695 M27*2 M14*1.5 18 123 100 138 120 15 13 30 46 268 149 50
YS-2696 M27*2 M14*1.5 18 128 105 148 130 18 13 33 46 278 153 50
Model A B C D E F G H I J K L M
YS-1671 40 RC3/8 8 68 15 30 90 88 108 9.5 46 142 34
YS-1672 45 RC1/2 11 73 15 35 110 96 118 11.5 52 168 42
YS-1673 55 RC1/2 15 88 15 35 117 112 138 13.5 55 176 44

What is the distinguished features of our rotary joint?

1. Ideal for high pressure and low speed hydraulic oil and air
2. The maximum working temperature is at 100 °C
3.Long service life with easy field repair and maintenance
4.Available in both thread and flange connection
5. Max pressure could be 300bar
6. Rotor may be center drilled for additional passages
7. We provide 1 year-guarantee and you can free to get the accessories if it is damaged within 1 year

High pressure, compact design, 6 flow passages6 Passage Rotary Joint/Rotary Union are suitable for hydraulic, coolant, pneumatic and vacuum applications. All 6 passages rotary unions are designed with both o-ring face and female SAE-4 connections on the shaft for increased mounting flexibility. Carbon steel construction and precision ball bearings make these rotating unions ideal for heavy duty use.

Operating Condition
Passages 1 to 12
Max pressure: 300 bar
Working temperature: -20°~+80°
Max speed: 50RPM

Product show

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Q1: What is the Warranty for the rotary joint?
A1: For the rotary joint, we have 1 year warranty. We replace the assemble for you for free.

Q2: What is the delivery time
A2: For the rotary joint, we have many size available in stock. Delivery time could be 3 to 7 days if normal size

Q3: Could you provide custom size product for us?
A3: We welcome custom size and can arrange the production according to your drawing or request.

Q4: What kind of media that your rotary joint can used for?
A4: We have different kinds of rotary joints for water, hot oil, steam and air.

Q5: What kind of seal you use for to guarantee the good sealing performance?
A5: We use graphite seal, mechanical seal and spherical seal with good sealing performance.

Q6: Can we only buy some assemble of the rotary joint?
A6: Yes, we can provide you with the seal, spring or other assemble.

Q7:Is there cheap shipping cost to import to our country?
A7: For small order,express will be best.And for bulk order,sea ship way is best but take much time. For urgent orders, Hy-801 Hy-05 Latest Style High Quality Car Accessories Auto Parts C.v.joint Drive Shaft we suggest via air to airport plus our ship partner send to your door.

Q8:Can we get support if we have our own market position?
A8: Please inform us your detailed mind on your market demand,we will discuss and propose helpful suggestion for you,to find the best solution for you.

What is the application of our rotary joint?

Primary Industries:Chemical • printing • rubber • metals • textiles • plastics • food • paper •
machine tools • building materials • construction equipment

Production Flow

Company Information

HangZhou Xihu (West Lake) Dis. Hongchang Jufa Electromechanical Valve Co.,Ltd is a factory set up in 2006. We are specializing in researching, developing and manufacturing different kinds of rotary joints, flexible metal hose, rubber hose , bellow expansion joint and valve equipmentin China.

Our factory is covering over 10,000 square meters. Our R&D department consists of 3 engineers. Also, we have experienced QC personnel to check all our products strictly before packaging . All of our products meet the national standards and have pass ISO9001 certification. We obtain trust from customers by advanced technology, excellent quality and satisfactory service. Also, 8Bar 10Hp 11Kw PM VSD Low Noise Integrated Screw Air Compressor With OEM we specialized incustomized rotary jointstailored to meet your project requirements.

Our mission is: Offering high-quality goods, excellent service, and reasonable price to customers; Using our product, you will get more benefits!

Shipping and Payment

What is our shipping way and payment terms?


  1. FedEx/DHL/UPS/TNT for samples, Door-to-Door;
  1. By Air or by Sea for batch goods, for FCL; Airport/ Port receiving;
  1. Customers specifying freight forwarders or negotiable shipping methods!
  1. Delivery Time: 3-7 days for samples; 5-25 days for batch goods.

Payment Terms

  1. Payment: T/T, Western Union, ,PayPal; 30% deposits; 70% balance before delivery.
  1. MOQ: 1pc

Why Choose Us?

1.We are a factory manufacturing rotary joint, metal hose, expansion joint,best production capability ,best quality control, Output hole diameter 35mm worm gearbox NMRV90 speed reducers with B5 flange reductor Best Service .
2.100% QC inspection Before Shippment.
3.We have available in stock, can arrange the delivery 3 to 7days according to the quantity


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.

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.

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.

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 best 12” flange or thread connection 2 passages rotary joint hydraulic rotary coupling     coupling alignmentChina best 12” flange or thread connection 2 passages rotary joint hydraulic rotary coupling     coupling alignment
editor by CX 2023-07-13