China High Quality Ductile Iron Rigid Coupling with FM/UL Approval coupling constant

Item Description

 

 

Product Description

1nuo /YINUO Pipe Fittings Standard Grooved Pipe Fittings grooved coupling

manufacturing procedure

A tough castings of grooved fittings will be processed and developed by electric-furnice smelting,on-line checking and handle and computerized molding methods.

Product Parameters

1. High Force Coupling Specification:

Size Pipe O.D Working Strain Bolt Size
mm/in PSI/MPa No.-Size mm
twenty five
one
33.seven
1.327
750
five.seventeen
two-M10*45
32
42.four
1.669
750
5.17
2-M10*45
forty
1 1/two
48.three
1.900
750
five.seventeen
two-M10*45
50
2
sixty.three
two.375
750
5.17
2-M10*fifty five
sixty five
2 1/two
73
2.875
750
5.seventeen
two-M10*55
65
3OD
76.one
three.000
300
2.07
two-M10*fifty five
80
three
88.9
3.500
750
5.seventeen
two-M10*sixty
100
4
114.3
four.500
750
5.17
2-M10*sixty five
125
five.5OD
139.seven
five.five hundred
750
five.17
2-M10*seventy five
one hundred fifty
6 OD
165.one
6.500
750
five.17
two-M10*seventy five
one hundred fifty
6
168.3
six.625
750
5.17
two-M10*seventy five
two hundred
8
219.1
8.625
750
5.17
2-M10*one hundred
250
ten
273.
10.748
750
5.seventeen
two-M10*130
three hundred
12
323.nine
twelve.752
750
five.seventeen
two-M10*a hundred thirty
 

Solution Details

 

Content Ductile Iron-ASTM A536
Thread Standard BSPT/ BSPP/ NPT
Bolt and Nut Chilly Heading Steel- Gold colour
Stress 750 Psi – 5.17Mpa
End Epoxy/ Painted / Galvanized
Colour Ral 3000 Purple / Orange/ Blue/ White
Brand 1NUO
Bundle Cartons with Pallet / Picket Situation
Delivery Time 20-forty times as for each ever get
Capacity 4 Automatic Vertical Manufacturing Traces
Application one. fire preventing& fireplace sprinkler technique for industrial and civil fire security building, this kind of as water giving, gas providing, air-conditioning and many others.
two. Industrial pipeline program in transport, mine, oil area, cement, mine piping , chemical plant and so on.
three. Ordinary piping supply in sewage therapy, Subway station, airport and many others.

Gasket:

Gasket Substance Temperature Variety Recommendations
E EPDM -34ºC~ +110ºC Advised for hot h2o, dilute acid, oil-cost-free gas
and other chemicals(besides for hydrocarbon ) inside the specified temperature selection. Not suggested for petroleum and hydrocarbon.
D NBR -29ºC~ +82ºC Recommended for petroleum goods, fuel with oil vapors, mineral oil and vegetable oil. Not advisable for substantial temperature supplies.
S Silicon Rubber -40ºC~ +177ºC Suggested for large temperature and dry air, and some substantial temperature chemicals.

Certifications

FM Authorized&UL Listed&CE Certification

Packaging & Delivery

To much better ensure the basic safety of your goods, professional, environmentally helpful, handy and successful packaging companies will be offered.
 

Firm Profile

HangZhou CZPT has sturdy technical strength and possesses the world’s first-class gear and engineering, as nicely as excellent testing strategies. All rough castings of grooved fittings will be processed and created by electric-furnace smelting, on-line checking and handle and computerized molding techniques. Now our amenities consist of 11 medium frequency furnace, 4 advanced vertical parting molding lines and 3 painting traces. Each customer’s demands can be satisfied by custom-made companies.

Yinuo’s ductile iron grooved fittings have successively passed the China nationwide kind take a look at, ISO 9001 and FM&UL approvals and many others. Our products are underwritten by China Ping An Insurance policies(Team) Co.,Ltd. The grooved pipe fittings are commonly employed in hearth fighting, air-conditioning, water supply, sewage, cement, lower-force steaming, mine piping and regular piping supply.

ø Corporate Vision: The place there is pipes, there is YINUO.
ø Corporate Mission: Connecting pipeline about the world, benefiting homes in every building.
ø Competitive Technique: To source marketplace with best merchandise, to earn consumers with excellent services.
ø Core Value: Pragmatic honesty, high quality very first, steady innovation and CZPT cooperation.
ø Top quality Benefit: We survive with high quality and produce by technologies.
 

Range of items

Rigid coupling, Adaptable coupling, 90° Elbow, 45° Elbow, 22.5° Elbow, 11.25° Elbow, Tee, Minimizing Tee(Grooved/Threaded), Cross, Decreasing 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.
Application: As 1 of the most common fittings in fireplace preventing techniques, the grooved pipe fittings are extensively employed in fireplace combating, air-conditioning, h2o supply, sewage, cement, oil&gas pipeline, mine piping and ordinary piping shipping. CZPT is spreading all more than the globe and profitable the appreciations from users at house and abroad.

FAQ

Q1. Are you manufactrer?
A: Yes, we are manufacturing&trading combo.

Q2. What are your conditions of shipping?
A: EXW, FOB, CFR, CIF.

Q3. What is your delivery time?
A: The time of supply is about 15-twenty times, relying on buy amount.

This autumn: Can you offer us with some samples for tests?
A: Of course, we can offer you samples. The sample is totally free, you only need to bear the freight.

Q5. What is your payment conditions?
A: We accept 30% T/T in advance, 70% in the time period of cargo or L/C at sight.

Q6. Could you specially layout and create for clientele?
A: Confident, we have all varieties of skilled engineers.We can style and make specific items according to customers’ ask for. Such as: unique dimensions, unique control, OEM, and so forth.
 

 

US $1
/ Piece
|
100 Pieces

(Min. Order)

###

Connection: Male
Structure: Universal
Flexible or Rigid: Rigid
Material: Ductile Iron
Standard: Standard
Raw Material: Cast Iron/ Ductile Iron-ASTM A536

###

Samples:
US$ 0.7/Piece
1 Piece(Min.Order)

|
Request Sample

###

Size Pipe O.D Working Pressure Bolt Size
mm/in PSI/MPa No.-Size mm
25
1
33.7
1.327
750
5.17
2-M10*45
32
42.4
1.669
750
5.17
2-M10*45
40
1 1/2
48.3
1.900
750
5.17
2-M10*45
50
2
60.3
2.375
750
5.17
2-M10*55
65
2 1/2
73
2.875
750
5.17
2-M10*55
65
3OD
76.1
3.000
300
2.07
2-M10*55
80
3
88.9
3.500
750
5.17
2-M10*60
100
4
114.3
4.500
750
5.17
2-M10*65
125
5.5OD
139.7
5.500
750
5.17
2-M10*75
150
6 OD
165.1
6.500
750
5.17
2-M10*75
150
6
168.3
6.625
750
5.17
2-M10*75
200
8
219.1
8.625
750
5.17
2-M10*100
250
10
273.0
10.748
750
5.17
2-M10*130
300
12
323.9
12.752
750
5.17
2-M10*130
 

###

Material Ductile Iron-ASTM A536
Thread Standard BSPT/ BSPP/ NPT
Bolt and Nut Cold Heading Steel- Gold color
Pressure 750 Psi – 5.17Mpa
Finish Epoxy/ Painted / Galvanized
Color Ral 3000 Red / Orange/ Blue/ White
Brand 1NUO
Package Cartons with Pallet / Wooden Case
Delivery Time 20-40 days as per ever order
Capacity Four Automatic Vertical Production Lines
Application 1. fire fighting& fire sprinkler system for commercial and civil fire protection construction, such as water supplying, gas supplying, air-conditioning etc.
2. Industrial pipeline system in shipping, mine, oil field, cement, mine piping , chemical plant etc.
3. Ordinary piping delivery in sewage treatment, Subway station, airport etc.

###

Gasket Material Temperature Range Recommendations
E EPDM -34ºC~ +110ºC Recommended for hot water, dilute acid, oil-free gas
and other chemicals(except for hydrocarbon ) within the specified temperature range. Not recommended for petroleum and hydrocarbon.
D NBR -29ºC~ +82ºC Recommended for petroleum products, gas with oil vapors, mineral oil and vegetable oil. Not recommended for high temperature materials.
S Silicon Rubber -40ºC~ +177ºC Recommended for high temperature and dry air, and some high temperature chemicals.
US $1
/ Piece
|
100 Pieces

(Min. Order)

###

Connection: Male
Structure: Universal
Flexible or Rigid: Rigid
Material: Ductile Iron
Standard: Standard
Raw Material: Cast Iron/ Ductile Iron-ASTM A536

###

Samples:
US$ 0.7/Piece
1 Piece(Min.Order)

|
Request Sample

###

Size Pipe O.D Working Pressure Bolt Size
mm/in PSI/MPa No.-Size mm
25
1
33.7
1.327
750
5.17
2-M10*45
32
42.4
1.669
750
5.17
2-M10*45
40
1 1/2
48.3
1.900
750
5.17
2-M10*45
50
2
60.3
2.375
750
5.17
2-M10*55
65
2 1/2
73
2.875
750
5.17
2-M10*55
65
3OD
76.1
3.000
300
2.07
2-M10*55
80
3
88.9
3.500
750
5.17
2-M10*60
100
4
114.3
4.500
750
5.17
2-M10*65
125
5.5OD
139.7
5.500
750
5.17
2-M10*75
150
6 OD
165.1
6.500
750
5.17
2-M10*75
150
6
168.3
6.625
750
5.17
2-M10*75
200
8
219.1
8.625
750
5.17
2-M10*100
250
10
273.0
10.748
750
5.17
2-M10*130
300
12
323.9
12.752
750
5.17
2-M10*130
 

###

Material Ductile Iron-ASTM A536
Thread Standard BSPT/ BSPP/ NPT
Bolt and Nut Cold Heading Steel- Gold color
Pressure 750 Psi – 5.17Mpa
Finish Epoxy/ Painted / Galvanized
Color Ral 3000 Red / Orange/ Blue/ White
Brand 1NUO
Package Cartons with Pallet / Wooden Case
Delivery Time 20-40 days as per ever order
Capacity Four Automatic Vertical Production Lines
Application 1. fire fighting& fire sprinkler system for commercial and civil fire protection construction, such as water supplying, gas supplying, air-conditioning etc.
2. Industrial pipeline system in shipping, mine, oil field, cement, mine piping , chemical plant etc.
3. Ordinary piping delivery in sewage treatment, Subway station, airport etc.

###

Gasket Material Temperature Range Recommendations
E EPDM -34ºC~ +110ºC Recommended for hot water, dilute acid, oil-free gas
and other chemicals(except for hydrocarbon ) within the specified temperature range. Not recommended for petroleum and hydrocarbon.
D NBR -29ºC~ +82ºC Recommended for petroleum products, gas with oil vapors, mineral oil and vegetable oil. Not recommended for high temperature materials.
S Silicon Rubber -40ºC~ +177ºC Recommended for high temperature and dry air, and some high temperature chemicals.

Types of Couplings

A coupling is a device used to join two shafts together and transmit power. Its purpose is to join rotating equipment while permitting a degree of end movement and misalignment. There are many types of couplings, and it is important to choose the right one for your application. Here are a few examples of couplings.

Mechanical

The mechanical coupling is an important component in power transmission systems. These couplings come in various forms and can be used in different types of applications. They can be flexible or rigid and operate in compression or shear. In some cases, they are permanently attached to the shaft, while in other cases, they are removable for service.
The simplest type of mechanical coupling is the sleeve coupling. It consists of a cylindrical sleeve with an internal diameter equal to the diameter of the shafts. The sleeve is connected to the shafts by a key that restricts their relative motion and prevents slippage. A few sleeve couplings also have threaded holes to prevent axial movement. This type of coupling is typically used for medium to light-duty torque.
Another type of mechanical coupling is a jaw coupling. It is used in motion control and general low-power transmission applications. This type of coupling does not require lubrication and is capable of accommodating angular misalignment. Unlike other types of couplings, the jaw coupling uses two hubs with intermeshing jaws. The jaw coupling’s spider is typically made of copper alloys. In addition, it is suitable for shock and vibration loads.
Mechanical couplings can be made from a variety of materials. One popular choice is rubber. The material can be natural or chloroprene. These materials are flexible and can tolerate slight misalignment.
gearbox

Electrical

Electrical coupling is the process in which a single electrical signal is transferred from a nerve cell to another. It occurs when electrical signals from two nerve cells interact with each other in a way similar to haptic transmission. This type of coupling can occur on its own or in combination with electrotonic coupling in gap junctions.
Electrical coupling is often associated with oscillatory behavior of neurons. The mechanism of electrical coupling is complex and is studied mathematically to understand its effect on oscillatory neuron networks. For example, electrical coupling can increase or decrease the frequency of an oscillator, depending on the state of the neuron coupled to it.
The site of coupling is usually the junction of opposing cell membranes. The cellular resistance and the coupling resistance are measured in voltage-clamp experiments. This type of coupling has a specific resistance of 100 O-cm. As a result, the coupling resistance varies with the frequency.
The authors of this study noted that electrotonic coupling depends on the ratio between the resistance of the nonjunctional membranes and the junctional membranes. The voltage attenuation technique helps reveal the differences in resistance and shunting through the intercellular medium. However, it is unclear whether electrotonic coupling is electrostatically mediated.
Electrical coupling has also been suggested to play a role in the intercellular transfer of information. There are many examples that support this theory. A message can be a distinct qualitative or quantitative signal, which results in a gradient in the cells. Although gap junctions are absent at many embryonic interaction sites, increasing evidence suggests a role in information transfer.

Flexible

When it comes to choosing the right Flexible Coupling, there are several factors that you should take into account. Among these factors is the backlash that can be caused by the movement of the coupling. The reason for this problem is the fact that couplings that do not have anti-fungal properties can be easily infected by mold. The best way to avoid this is to pay attention to the moisture content of the area where you are installing the coupling. By following these guidelines, you can ensure the best possible installation.
To ensure that you are getting the most out of your flexible couplings, you must consider their characteristics and how easy they are to install, assemble, and maintain. You should also look for elements that are field-replaceable. Another important factor is the coupling’s torsional rigidity. It should also be able to handle reactionary loads caused by misalignment.
Flexible couplings come in many different types. There are diaphragm and spiral couplings. These couplings allow for axial motion, angular misalignment, and parallel offset. They have one-piece construction and are made from stainless steel or aluminum. These couplings also offer high torsional stiffness, which is beneficial for applications requiring high torques.
Flexible couplings have several advantages over their rigid counterparts. They are designed to handle misalignments of up to seven degrees and 0.025 inches. These characteristics are important in motion control applications. Flexible couplings are also inexpensive, and they do not require maintenance.
gearbox

Beam

A beam coupling is a type of mechanical coupling, usually one solid piece, that connects two mechanical parts. Its performance is largely determined by the material used. Typical materials include stainless steel, aluminum, Delrin, and titanium. The beam coupling is rated for different speeds and torques. The coupling should be selected according to the application. In addition to the material, the application should also consider the speed and torque of the system.
There are two main types of beam couplings. The first is the helical beam coupling, which has a continuous multi spiral cut. This type of coupling offers a high degree of flexibility and compensates for a high degree of misalignment. The second type of beam coupling is the helical shaft coupling, which has a low torsional stiffness, which makes it ideal for small torque applications.
Another type of beam coupling is the multiple beam design, which combines two beams. It allows for more tolerance in manufacturing and installation and protects expensive components from excessive bearing loads. It also helps keep beams shorter than a single beam coupling. This type of coupling also enables a higher torque capacity and torsional stiffness.
Beam couplings can be manufactured with different materials, including stainless steel and aluminum. The “A” series is available in aluminum and stainless steel and is ideal for general-purpose and light-duty applications. It is also economical and durable. This type of coupling can also be used with low torque pumps or encoder/resolver systems.

Pin & bush

The Pin & bush coupling is a versatile, general-purpose coupling with high tensile bolts and rubber bushes. It can tolerate a wide range of operating temperatures and is suitable for use in oil and water-resistance applications. Its unique design enables it to be used in either direction. In addition, it requires no lubrication.
The pin bush coupling is a fail-safe coupling with a long service life and is used for high-torque applications. It provides torsional flexibility and dampens shocks, making it a flexible coupling that protects equipment and reduces maintenance costs. Its hubs are forged from graded cast iron for strength and durability. Besides, the coupling’s elastomer elements reduce vibration and impact loads. It also accommodates a misalignment of up to 0.5 degrees.
Pin & bush couplings are a popular choice for a variety of different applications. This coupling features a protective flange design that protects the coupling flange from wear and tear. The coupling nut is secured to one flange, while a rubber or leather bush sits between the other flange. Its unique design makes it ideal for use in applications where misalignment is a small factor. The rubber bushing also helps absorb vibration and shock.
gearbox

Mesh tooth

Mesh tooth couplings are used to transfer torque between two shafts and reduce backlash. However, mesh tooth couplings have some limitations. One disadvantage is the break-away friction factor in the axial direction. This problem is caused by the high contact force between the tooth and gear mesh. This can cause unpredictable forces on the shafts.
In this paper, we present a FEM model for mesh tooth coupling. We first validate the mesh density. To do so, we compute the bolt stress as a uniaxial tensile during the tightening process. We used different mesh sizes and mesh density to validate our results.
The mesh stiffness of gear pairs is influenced by lead crown relief and misalignment. For example, if one tooth is positioned too far in the axis, the mesh stiffness will be decreased. A misaligned gear pair will lose torque capacity. A mesh tooth coupling can be lubricated with oil.
An ideal mesh tooth coupling has no gaps between the teeth, which reduces the risk of uneven wear. The coupling’s quality exposed fasteners include SAE Grade 5 bolts. It also offers corrosion resistance. The couplings are compatible with industrial environments. They also eliminate the need for selective assembly in sleeve couplings.
China High Quality Ductile Iron Rigid Coupling with FM/UL Approval     coupling constantChina High Quality Ductile Iron Rigid Coupling with FM/UL Approval     coupling constant
editor by czh 2022-12-24

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