China manufacturer Powder Coated Lockable Valve Flange Coupling flange coupling

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.

1 . Commodity : Welding Neck , Blind , Slip On , Lap Joint , Socket Weld , Threaded , Spectacle Blind , etc

2 . Surfacing : RF , FF , RTJ

3 . Materials : Stainless Steel , Duplex Steel , Cooper Malleable

4 . Standards : ANSI B16.5 , ANSI B 16.47

5 . Tolerances : according to the specification or customer’s request and drawings

6 . Applications : Pipe connection , Piping project construction etc

7 . Pressure class : 150 – 2500lbs

Item

                                                  Description

 

 

 

 

 

Basic Information

Material Grade

WP304 , WP304L , WP304H , WP316 , WP316L , WP316Ti , WP309S , WP310S , WP321 , WP321H , WP347 , WP347H , F304 , F304L , F304H ,
F316 , F316L , F310S , F321 etc

Size

1/2″ to 48″ Sch 5S to XXS

Standard

ASTM A403 etc .

Process Method

Forged / Casting

 

Industry & Advantage

Application

a) Connect pipes

Advantage

a) High technology ; good surface ; high quality etc

 

 

 

 

 

 

Terms & Conditions

Price Item

FOB , CFR , CIF or as negotiation

Payment

T / T , LC or as negotiation

Delivery Time

30 working days after received your deposit ( Normally according to the order quantity )

Package

Plywood case or as per customer’s requirement

Quality Requirement

Mill Test Certificate will be supplied with shipment , Third Part Inspection is acceptable

Quality

Test

100% PMI test ; Size test etc

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 CHINAMFG 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.

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flange coupling

Impact of Flange Coupling on Noise and Vibration in a Mechanical System

Flange couplings play a significant role in the overall noise and vibration levels of a mechanical system. The type of flange coupling used and its design characteristics can have varying effects on the system’s noise and vibration. Let’s explore how flange couplings impact noise and vibration in a mechanical system:

1. Rigid Flange Couplings:

Rigid flange couplings, being solid and inflexible connections, are generally considered to be more rigid than flexible couplings. As a result, they can transmit vibrations more directly between the connected shafts and the rest of the system. The lack of misalignment compensation can lead to higher stress on the bearings and other components, contributing to increased vibration levels.

However, rigid flange couplings are also less likely to introduce any additional sources of vibration due to their simple and solid construction. If the system is well-aligned and requires no misalignment compensation, rigid flange couplings can provide a stable and reliable connection.

2. Flexible Flange Couplings:

Flexible flange couplings are designed to dampen vibrations and shocks in the system. The flexibility of these couplings allows them to absorb and minimize the transmission of vibrations between the connected shafts and the rest of the system. As a result, flexible flange couplings can reduce overall vibration levels and provide a smoother and quieter operation.

Additionally, the misalignment compensation capability of flexible flange couplings helps to reduce stress on the bearings and other components. By accommodating misalignment, these couplings prevent the system from experiencing excessive vibrations that can lead to premature wear and failures.

Overall Impact:

The choice of flange coupling design will significantly influence the noise and vibration levels in the mechanical system. In applications where precise alignment is crucial, rigid flange couplings may be preferred despite potentially higher vibration levels. On the other hand, flexible flange couplings are ideal for systems where misalignment is expected or where vibration dampening is a priority.

It’s important to consider the specific requirements of the application when selecting a flange coupling. Factors such as torque capacity, operating conditions, alignment needs, and desired noise and vibration levels should all be taken into account. Proper installation and maintenance of the chosen flange coupling can also impact its performance in reducing noise and vibration levels in the mechanical system.

flange coupling

Maintenance-Free Flange Couplings

Flange couplings can be designed to be maintenance-free, meaning they require minimal or no regular maintenance throughout their operational life. The key features and options that contribute to maintenance-free flange couplings include:

  • Sealed and Lubricated: Some flange couplings are sealed and pre-lubricated with high-performance grease during the manufacturing process. This ensures that the coupling remains properly lubricated over an extended period, eliminating the need for routine lubrication.
  • Self-Lubricating Materials: Certain flange couplings are constructed from self-lubricating materials, such as polymers or composites, that provide a low-friction interface between the mating surfaces. This reduces wear and eliminates the need for additional lubrication.
  • Maintenance-Free Bearings: Flange couplings with integrated maintenance-free bearings further enhance the overall maintenance-free operation. These bearings are designed to withstand the required loads and provide long-lasting performance without the need for regular lubrication.
  • Corrosion-Resistant Materials: Flange couplings made from corrosion-resistant materials, such as stainless steel or coated alloys, can resist environmental factors that might lead to corrosion and premature wear, resulting in extended maintenance intervals.
  • Robust Design: A well-engineered flange coupling with a robust design can withstand harsh conditions, shock loads, and other stresses, reducing the likelihood of component failure and the need for maintenance.

It is essential to select a flange coupling that is specifically labeled as “maintenance-free” or “self-lubricating” by the manufacturer to ensure that it meets your maintenance objectives. However, it’s important to note that even maintenance-free flange couplings may still require periodic inspection to check for wear, alignment issues, or other potential problems.

flange coupling

What is a flange coupling and how does it work?

A flange coupling is a type of rigid coupling used to connect two shafts together in a mechanical system. It consists of two flanges, one on each shaft, which are bolted together to form a solid and robust connection. Flange couplings are widely used in applications where precise alignment, high torque transmission, and zero backlash are critical.

The key components of a flange coupling include:

  • Flanges: The flanges are circular discs with holes around the perimeter for bolting them to the respective shaft ends. The flanges are made from materials such as steel, cast iron, or aluminum, depending on the application requirements.
  • Fasteners: High-strength bolts or studs with nuts are used to fasten the flanges together securely. The number and size of the bolts depend on the size and torque capacity of the coupling.
  • Gaskets: In some cases, gaskets or spacers are used between the flanges to provide insulation, prevent corrosion, or compensate for any slight misalignments between the shafts.

How a flange coupling works:

  1. The two shafts that need to be connected are brought together with their respective flanges facing each other.
  2. The flanges are aligned precisely to ensure that both shafts are in perfect axial alignment. Proper alignment is essential to prevent excessive loads on the bearings and to ensure efficient torque transmission.
  3. Once the flanges are aligned, high-strength bolts or studs are inserted through the holes in the flanges, and nuts are fastened tightly to hold the flanges together securely.
  4. The tight connection between the flanges creates a rigid joint between the shafts, allowing torque to be transmitted from one shaft to the other with minimal losses.
  5. Flange couplings are designed to have zero backlash, meaning there is no play or free movement between the shafts when the direction of rotation changes. This feature ensures precise and immediate power transmission between the connected shafts.

Flange couplings are commonly used in various industrial applications, including heavy machinery, pumps, compressors, and marine propulsion systems. They are preferred when a reliable, high-torque transmission with precise alignment is required. However, they do not offer flexibility to accommodate misalignment, which is a limitation compared to flexible couplings. Therefore, proper alignment during installation is critical to avoid premature wear and failure of the coupling and connected equipment.

China manufacturer Powder Coated Lockable Valve Flange Coupling  flange couplingChina manufacturer Powder Coated Lockable Valve Flange Coupling  flange coupling
editor by CX 2024-02-19