Product Description
Powder Coated Lockable Valve Flange Coupling
DN250-DN80
1. The stainless steel(cooper,malleable) flange connection is easy to use and can withstand greater pressure. 2. In industrial pipelines, flange connections are widely used. 3. In the home, the pipe diameter is small, and it is low pressure, and the flange connection is invisible. If it is in a boiler room or production site, flanged pipes and equipment are everywhere.
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1 . Commodity : Welding Neck , Blind , Slip On , Lap Joint , Socket Weld , Threaded , Spectacle Blind , etc |
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2 . Surfacing : RF , FF , RTJ |
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3 . Materials : Stainless Steel , Duplex Steel , Cooper Malleable |
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4 . Standards : ANSI B16.5 , ANSI B 16.47 |
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5 . Tolerances : according to the specification or customer’s request and drawings |
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6 . Applications : Pipe connection , Piping project construction etc |
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7 . Pressure class : 150 – 2500lbs |
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Item |
Description |
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Basic Information |
Material Grade |
WP304 , WP304L , WP304H , WP316 , WP316L , WP316Ti , WP309S , WP310S , WP321 , WP321H , WP347 , WP347H , F304 , F304L , F304H , |
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Size |
1/2″ to 48″ Sch 5S to XXS |
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Standard |
ASTM A403 etc . |
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Process Method |
Forged / Casting |
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Industry & Advantage |
Application |
a) Connect pipes |
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Advantage |
a) High technology ; good surface ; high quality etc |
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Terms & Conditions |
Price Item |
FOB , CFR , CIF or as negotiation |
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Payment |
T / T , LC or as negotiation |
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Delivery Time |
30 working days after received your deposit ( Normally according to the order quantity ) |
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Package |
Plywood case or as per customer’s requirement |
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Quality Requirement |
Mill Test Certificate will be supplied with shipment , Third Part Inspection is acceptable |
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Quality |
Test |
100% PMI test ; Size test etc |
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Market |
Main Market |
Europe , Middle East , Southeast Asia , South America . Etc |
1) Pre-galvanized, Black, PVC coated & hot dip galvanized.
2) Can make the angle parts with slip-proof.
3) Each meter side printed with size, logo & standard.
4) Gal.zinc thickness is changing according the finish different.
5) The slotted hole size 1-1/8″(28.60mm)*9/16″(14.30mm).
6) Two, three, 4 and 6 CZPT available.
Certifications
Company Profile
1.Q: What kind of material you can offer?
A: We can offer you GALVANIZED STEEL, STAINLESS STEEL, ALUMINUM, Zinc, etc.
2.Q: What kind of standard you are following?
A: We are producing following by UL standard, most popular around the world,
of course, we also have customized products.You can provide your specification.
3.Q: Could you change the size for the customer?
A: Yes, we do for some customer special size.
4.Q: How many days can you deliver the order?
A: Normally after deposit or L/C 20-30 days, actually it depends on your request.
5.Q: What about the payment?
A: We can accept L/C, T/T, D/P and trusted payment methods.
6.Q: Do you provide samples?
A: yes, we can offer the standard product sample freely, but we do not bear the freight. Sample preparation will take some time, and if you asked to use DHL, FedEx, etc. to send samples, you can inform us in advance to prepare.
7.Q: Are you a trading company or manufacturing company?
A: Both we are, we have 10 years experiences in foreign trading business and more than 5 years in electrical conduit industry. Of course, we are always expanding our business.
8.Q: How can you guarantee your products?
A: we guarantee your 100% satisfaction on all our products. Please feel free to feedback us immediately if you are not satisfied with our quality or service. If the product does not meet the contract requirements, we will send you a free replacement or give you compensation in the next order. For foreign orders, we ensure every order carefully. In some special cases, we will give some discounts as a solution.
9.Q: How about your capability in manufacturing?
Based on reasonable price, good quality, great after service, and Workers’ Passion and Effort, we are capable of manufacturing 6000 tons of steel conduit per year and 4000 tons of die casting and steel accessories anually.
Choosing us is the best choice.
Flange Couplings in Corrosive or Harsh Environments
Flange couplings can be used in a wide range of environments, including corrosive or harsh conditions, depending on the material and coating used in their construction. The choice of material is a critical factor in determining the suitability of a flange coupling for such environments.
Materials:
Stainless steel flange couplings are commonly used in corrosive environments due to their high resistance to rust and corrosion. Stainless steel contains chromium, which forms a protective oxide layer on the surface, preventing the underlying metal from being exposed to corrosive elements.
In particularly aggressive or chemically harsh environments, super alloys or specialty materials like Hastelloy or Inconel may be used for flange couplings, providing even higher corrosion resistance and chemical stability.
Coatings:
In addition to material selection, certain coatings can further enhance the resistance of flange couplings to corrosive environments. For example, coatings like zinc plating or epoxy coatings can add an extra layer of protection against corrosion.
Sealing and Protection:
Flange couplings used in harsh environments may also incorporate specialized sealing elements to prevent the ingress of contaminants, moisture, or corrosive substances. Proper sealing can significantly extend the service life of the coupling and the connected equipment.
Regular Maintenance:
While flange couplings designed for harsh environments are built to withstand corrosive elements, regular maintenance is essential to ensure their optimal performance. Regular inspections, cleaning, and lubrication, as well as prompt replacement of any damaged components, are vital to maintaining the integrity and functionality of the coupling.
Application Considerations:
When using flange couplings in corrosive or harsh environments, it is essential to consider the specific requirements of the application. Factors such as the type and concentration of corrosive substances, temperature variations, and mechanical loads should be carefully assessed to select the most suitable flange coupling for the given environment.
Conclusion:
Flange couplings can be engineered to withstand corrosive and harsh environments by using appropriate materials, coatings, and sealing techniques. With proper selection, installation, and maintenance, flange couplings can provide reliable and durable performance in challenging industrial settings.
Flange Couplings in Precision Motion Control Systems
Yes, flange couplings can be used in precision motion control systems, provided they are designed and selected appropriately for the specific application. Precision motion control systems often require high accuracy, repeatability, and minimal backlash. Flange couplings can meet these requirements when certain factors are considered:
1. Backlash: Precision motion control systems require minimal or zero backlash to ensure accurate positioning. Flexible flange couplings with no metal-to-metal contact, such as elastomeric or beam couplings, are preferred for these applications.
2. Rigidity: Flange couplings should have sufficient torsional rigidity to maintain the accuracy of the motion system. Rigid flange couplings made from materials like aluminum or steel can provide higher torsional stiffness.
3. Misalignment Compensation: In precision systems, alignment errors must be minimized. Flexible flange couplings can compensate for minor misalignments between shafts while maintaining precise motion transmission.
4. Low Inertia: Flange couplings with low inertia are desirable as they reduce the overall inertia of the system, enabling faster acceleration and deceleration during motion.
5. Material Selection: The choice of material is critical in precision motion control applications. Materials with high strength-to-weight ratios and minimal deformation under load are preferred.
6. Environmental Factors: Consider the environmental conditions in which the flange coupling will operate. For instance, in vacuum environments or cleanrooms, non-lubricated or special coatings may be necessary.
When selecting a flange coupling for precision motion control systems, it’s essential to consider the specific requirements of the application, including speed, torque, misalignment, and environmental factors. Regular maintenance and periodic checks for wear and misalignment are crucial to ensure the continued performance and accuracy of the motion control system.
Can Flange Couplings Accommodate High Torque and High-Speed Applications?
Yes, flange couplings are designed to accommodate both high torque and high-speed applications. They are capable of transmitting significant amounts of torque between shafts while maintaining stable and efficient power transmission. The ability to handle high torque and high-speed applications depends on various factors, including the design, material, and size of the flange coupling.
1. Design: Flange couplings are available in different designs, such as rigid flange couplings and flexible flange couplings. Rigid flange couplings are more suitable for applications that require precise shaft alignment and minimal misalignment. On the other hand, flexible flange couplings can accommodate slight misalignments and are suitable for applications where shock or vibration may occur. The design of the coupling is crucial in determining its torque and speed capabilities.
2. Material: Flange couplings are manufactured from various materials, including steel, stainless steel, aluminum, and other alloys. The material selection is essential in determining the coupling’s strength, durability, and resistance to wear and fatigue. High-quality materials are used in flange couplings for high torque and high-speed applications to ensure their reliability and performance.
3. Size and Dimensions: The size and dimensions of the flange coupling play a significant role in determining its torque and speed ratings. Larger flange couplings with increased diameter and thickness can handle higher torque and speed compared to smaller couplings. It is essential to choose the appropriate size of the coupling based on the application’s torque and speed requirements.
4. Surface Finish: The surface finish of the flange coupling is critical, especially in high-speed applications. A smooth surface finish reduces friction and wear between the mating surfaces of the flanges, bolts, and nuts, thereby improving the overall efficiency of the coupling.
5. Lubrication: Proper lubrication is essential for flange couplings in high-speed and high-torque applications. Lubricants help reduce friction and wear, dissipate heat, and prevent premature failure of the coupling components.
6. Manufacturer’s Recommendations: It is crucial to follow the manufacturer’s recommendations and guidelines regarding the maximum torque and speed ratings of the flange coupling. Exceeding the recommended limits can lead to coupling failure and potential damage to the connected equipment.
In conclusion, flange couplings can be effectively used in high torque and high-speed applications when selected and maintained properly. Choosing the right design, material, size, and adhering to the manufacturer’s guidelines ensures that the flange coupling can handle the required torque and rotational speed efficiently and reliably.
editor by CX 2023-08-08