Product Description
6000lbs Stainless Steel Forged Fittings Threaded Half Coupling
Product Parameters
|
Product Name |
Pipe coupling |
|
Size |
1/8″-4″ |
|
Standard |
ANSI B16.11 |
|
Pressure |
2000lbs, 3000lbs,6000lbs, 9000lbs |
|
Type |
full coupling or half coupling |
| End | Threaded or socket welded |
|
Process |
Forged |
|
Surface |
CNC machined, anti-rust oil, HDG(hot dip galv.) |
|
Material |
Carbon steel: A105, A350 LF2,etc. |
|
Pipeline steel: ASTM 694 f42, f52, f60, f65,f70 and etc. |
|
| 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. | |
| Duplex stainless steel: ASTM A182 F51, F53,F55, UNS31803, SAF2205, UNS32205, UNS32750 , UNS32760, 1.4462,1.4410,1.4501 and etc. | |
| Nickel alloy: inconel600, inconel625, inconel690, incoloy800, incoloy 825, incoloy 800H,C22, C-276, Monel400, Alloy20 etc. | |
|
Cr-Mo alloy steel: A182 f11,f22,f5,f9,f91, 10CrMo9-10, 16Mo3 etc. |
|
|
Application |
Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building; water treatment, etc. |
|
Advantages |
ready stock,faster delivery time;available in all sizes,customized;high quality |
Detailed Photos
End can be socket weld or thread
Marking
Various marking can be curved, or painting by laser on your request. We accept to mark your LOGO
Inspection
1. Dimension measurements, all within standard tolerance.
2. Accept Third party inspection
3. Supply MTC, EN15714 3.1/3.2 certificate
Packaging & Shipping
1. Packed by carton first, then Packed by plywood case as per ISPM15
2. we will put packing list on each package
3. we will put shipping markings on each package. Markings words are on your request.
4. All wood package materials are fumigation free
Interested in other products
Tee Coupling Nipple weldolet Flange
Our Advantages
Why Choose us
7*24 service time
trace shippment each week
Professional QC QA team, more than 5 people. Inspect all goods before delivery
REFUND MONEY IF REJECTION BECAUSE OF QUALITY
PAYMENT TERM CAN BE L/C, O/A, T/T
OUR FACTORY SHOW
CZIT GROUP(3 factories, 300+workers, 200 +customers, 20+ years experience)
5000tons production capacity each month, fast delivery.
2000#, 3000#, 2″ and below size, A105 fittings are ready to ship
CERTIFICATE SHOW
CUSTOMER FEEDBACK
What is business for us? Not only for earn money, it is for sharing. To meet more better us together.
For us, customers would like cooperate with us, we are very happy and appreciated. Thank you very much for your trust us. We will do what we promise.
Since we treat business very serious, customers would like establish long term relationship with us. And when they gave us FIVE STAR comments, we really very very moved. We will do our best to do more better.
OUR PROJECTS SHOW
Our products can be used in Petrochemical industry;aviation and aerospace industry;pharmaceutical industry,gas exhaust; power plant;ship building; water treatment, etc.
Here is some projects samples for your reference.
FAQ
| FAQ |
| Q: Can you supply Form e, Certificate of origin? |
| A: Yes, we can supply. |
| Q: Can you supply invoice and CO with chamber of commerce? |
| A: Yes, we can supply. |
| Q: Can you accept L/C deferred 30, 60, 90days? |
| A: We can. |
| Q: Can you accept O/A payment? |
| A: We can. |
| Q: Can you supply samples? |
| A: Yes, some samples are free. |
| Q: Can you supply the products which comply with NACE? |
| A: Yes, we can. |
| Q: Can you visit your factory |
| A: Yes, sure. Welcome. |
| Q: Can you inspect the goods before delivery |
| A: Yes, sure. Welcome to our factory inspect the goods. Also accept third party inspection, such as SGS, TUV, BV etc. |
| Q: Can you supply MTC , EN15714 3.1/3.2 certificate? |
| A: Yes, sure. we can |
| Q: Do you have ISO |
| A: Yes, we have |
| Q: Can you accept OEM? |
| A: Yes, we can |
| Q: Can you accept marking our LOGO? |
| A: Yes, we can |
| Q: What is your MOQ? |
| A: 1pcs for standard fittings and flanges. |
| Q: Can you support to design our piping system? |
| A: Yes, we would like to your partner and our engineer will help. |
| Q: Can you offer data sheet and drawing? |
| A: Yes, we can |
| Q: Can you ship by carrier or airline? |
| A: Yes, we can. And we also can ship by train |
| Q: Can you combine your order with other supplier? Then ship together? |
| A: Yes, we can. We would like help you ship together to save your time and money |
| Q: Can you shorten delivery time? |
| A: If very very urgent, please confirm with sales. We would like arrange extra-working time for you. |
| Q: Can you marking on package as per IPPC? |
| A: Yes, we can |
| Q: Can you mark “MADE IN CHINA” on products and packing? |
| A: Yes, we can |
| Q: Can you supply semi-finished products? |
| A: Yes, we can |
| Q: We need some test sample pieces for each heat number, Can you supply? |
| A: Yes, we can |
| Q: Can you supply heat treatment report? |
| A: Yes, we can |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How Does the Grade of Stainless Steel Used in Couplings Impact Their Performance?
The grade of stainless steel used in couplings has a significant impact on their performance and suitability for specific applications. Stainless steel is an alloy that contains varying amounts of elements like chromium, nickel, and molybdenum, which give it different properties. The most common grades of stainless steel used in couplings are:
- Austenitic Stainless Steel (e.g., 304, 316): Austenitic stainless steel is the most widely used grade in couplings due to its excellent corrosion resistance, high ductility, and non-magnetic properties. Grade 304 is commonly used in general-purpose applications, while grade 316 offers higher corrosion resistance, making it suitable for more aggressive environments like marine or chemical industries.
- Ferritic Stainless Steel (e.g., 430, 446): Ferritic stainless steel has lower corrosion resistance compared to austenitic grades but offers better resistance to stress corrosion cracking. It is used in certain coupling applications where moderate corrosion resistance is sufficient.
- Martensitic Stainless Steel (e.g., 410, 420): Martensitic stainless steel is known for its hardness and strength. It is used in couplings that require higher mechanical properties, but it may have reduced corrosion resistance compared to austenitic grades.
- Duplex Stainless Steel (e.g., 2205, 2507): Duplex stainless steel combines the properties of austenitic and ferritic grades, offering high strength and better resistance to stress corrosion cracking and pitting. It finds applications in critical coupling systems where both strength and corrosion resistance are essential.
The choice of stainless steel grade depends on the specific requirements of the coupling application. Factors such as environmental conditions, exposure to corrosive substances, temperature, and mechanical stresses must be considered when selecting the appropriate grade. For example, couplings used in marine environments may require a high-grade austenitic stainless steel like 316 to withstand saltwater corrosion, while couplings in food processing may use grade 304 for its hygienic properties and general corrosion resistance.
In summary, the grade of stainless steel used in couplings directly influences their performance in terms of corrosion resistance, strength, ductility, and suitability for various applications. Proper selection of the stainless steel grade ensures that the couplings deliver reliable and long-lasting performance in their intended operating conditions.
Design Considerations for Stainless Steel Couplings in Marine or Corrosive Environments
Stainless steel couplings are often used in marine or corrosive environments due to their corrosion-resistant properties. However, there are some specific design considerations to ensure optimal performance and longevity in such harsh conditions:
- Material Selection: Choose the right grade of stainless steel that offers the best corrosion resistance for the specific marine or corrosive environment. Common stainless steel grades used in such applications include 316 and 316L, which provide excellent resistance to seawater and various corrosive agents.
- Surface Finish: Ensure that the coupling’s surface has a smooth and polished finish. A smooth surface minimizes the accumulation of contaminants and reduces the risk of crevice corrosion in marine environments.
- Sealing: Implement effective sealing mechanisms to prevent moisture and contaminants from entering the coupling. Seals such as rubber gaskets or O-rings can help protect the coupling’s interior and reduce the risk of corrosion-related failure.
- Coatings: Consider applying additional protective coatings or treatments to enhance the coupling’s corrosion resistance. Coatings like epoxy or zinc can provide an extra layer of protection against marine and corrosive elements.
- Isolation: In some cases, it might be beneficial to isolate the coupling from direct contact with seawater or corrosive substances. Mounting the coupling on non-corrosive materials or using isolating bushings can help minimize the impact of harsh environments.
- Regular Maintenance: Perform routine inspections and maintenance to check for signs of corrosion or wear. Regularly clean the coupling and remove any accumulated debris or contaminants to prevent accelerated corrosion.
- Testing: Before deploying stainless steel couplings in marine or corrosive environments, conduct thorough testing to ensure they meet the specific requirements of the application. This testing can include corrosion resistance testing and performance evaluations under simulated conditions.
- Monitoring: Implement monitoring systems to detect any early signs of corrosion or degradation. Monitoring can help identify potential issues before they lead to coupling failure and allow for timely preventive measures.
By carefully considering these design considerations and implementing appropriate measures, stainless steel couplings can withstand the challenges of marine or corrosive environments and maintain their performance and durability over time.
Types of Stainless Steel Couplings
Stainless steel couplings come in various designs and configurations to suit different application requirements. Some common types of stainless steel couplings available in the market include:
1. Clamp-Type Couplings:
These couplings consist of two hubs with screws or clamps that tighten around the shafts to create a secure connection. Clamp-type couplings are easy to install and provide good torque transmission while accommodating shaft misalignments.
2. Oldham Couplings:
Oldham couplings have a unique three-piece design with two hubs connected by a center disk. The disk is made of a different material like acetal or nylon and allows for zero-backlash operation and misalignment compensation.
3. Jaw Couplings:
Jaw couplings are made of two hubs with elastomeric inserts, known as spider elements, that provide shock absorption and misalignment compensation. They are commonly used in pumps, compressors, and other machinery.
4. Disc Couplings:
Disc couplings consist of multiple thin stainless steel discs stacked together with spacer elements. They offer high torsional stiffness and are suitable for applications requiring high torque transmission and precision.
5. Bellows Couplings:
Bellows couplings use thin-walled stainless steel bellows to compensate for misalignments while maintaining a hermetic seal. They are commonly used in vacuum systems and applications requiring precision motion control.
6. Grid Couplings:
Grid couplings feature a flexible grid element between two hubs, providing excellent shock absorption and misalignment compensation. They are commonly used in heavy-duty applications.
7. Multi-Beam Couplings:
Multi-beam couplings have multiple beams that offer flexibility and compensate for misalignments while maintaining torsional stiffness. They are suitable for precise motion control applications.
Each type of stainless steel coupling has its unique advantages and is designed to meet specific performance criteria. When selecting a stainless steel coupling for a particular application, it is essential to consider factors like torque requirements, misalignment compensation, and environmental conditions to ensure optimal performance and longevity.
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editor by CX 2024-04-26