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 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.

Can Flange Couplings Be Used in Both Horizontal and Vertical Shaft Arrangements?

Yes, flange couplings can be used in both horizontal and vertical shaft arrangements. Flange couplings are versatile mechanical components designed to connect two shafts together while transmitting torque. They are available in various configurations and can accommodate different shaft orientations.

Horizontal Shaft Arrangements: In horizontal shaft arrangements, the two shafts are positioned parallel to the ground or horizontal plane. Flange couplings are commonly used in applications where the driving and driven shafts are aligned horizontally. They provide a secure and rigid connection, ensuring efficient power transmission between the shafts.

Vertical Shaft Arrangements: In vertical shaft arrangements, one shaft is positioned above the other, and they are oriented vertically. Flange couplings can also be used in these applications, but additional considerations may be necessary. Proper alignment and support are crucial to prevent excessive loads on the coupling and ensure smooth operation.

When using flange couplings in vertical shaft arrangements, it is essential to consider factors such as the weight of the connected equipment and any dynamic forces that may act on the coupling due to the vertical orientation. Proper bracing and support should be provided to prevent unnecessary stress on the coupling and its components.

Overall, flange couplings are well-suited for both horizontal and vertical shaft arrangements, making them a versatile choice for various industrial applications.

What Role Does a Flange Coupling Play in Minimizing Wear and Tear on Connected Components?

A flange coupling plays a critical role in minimizing wear and tear on connected components in rotating machinery. It accomplishes this by effectively transmitting torque between two shafts while accommodating misalignment and reducing the transmission of shock and vibration. Here’s how a flange coupling achieves these benefits:

• Misalignment Compensation: Flange couplings are designed to accommodate both angular and parallel misalignment between the shafts they connect. As machinery operates, shafts may experience slight misalignment due to thermal expansion, manufacturing tolerances, or other factors. The flexible nature of certain flange coupling designs allows them to compensate for these misalignments, preventing excessive stress on connected components that could lead to wear.
• Shock and Vibration Damping: Flange couplings help dampen shock and vibration during machinery operation. When a machine experiences sudden impacts or vibrations, the flexibility of some flange coupling types absorbs and disperses these forces. By reducing the transfer of shocks and vibrations to the connected components, flange couplings protect the machinery from excessive stress and premature wear.
• Smooth Torque Transmission: Flange couplings provide a smooth and reliable means of transmitting torque from one shaft to another. The secure connection between the two shafts ensures that torque is efficiently transmitted without slippage or sudden jolts. This smooth torque transmission helps prevent unnecessary wear on the shafts and other connected components.
• Reduced Maintenance: By minimizing wear and tear on connected components, flange couplings contribute to reduced maintenance requirements. When components experience less stress and wear, their lifespan is extended, resulting in fewer maintenance interventions and decreased downtime for repairs or replacements.
• Protection Against Overloads: In cases of sudden overloads or torque spikes, flange couplings can act as a safety feature by allowing some degree of slippage or disengagement. This protects the connected machinery from potential damage caused by excessive loads.

In summary, a flange coupling’s ability to compensate for misalignment, dampen shocks and vibrations, provide smooth torque transmission, and protect against overloads makes it a crucial component in minimizing wear and tear on connected machinery. By choosing the appropriate flange coupling design for a specific application, engineers can enhance the reliability and longevity of the entire system while reducing maintenance and downtime costs.

Materials Used in Manufacturing Flange Couplings

Flange couplings are manufactured using various materials, each offering specific properties and advantages. The choice of material depends on factors such as application requirements, environmental conditions, and cost considerations. Here are some commonly used materials in manufacturing flange couplings:

• 1. Steel: Steel is one of the most common materials for flange couplings. It offers excellent strength, durability, and resistance to wear. Steel couplings are suitable for a wide range of applications and can handle high torque and heavy loads.
• 2. Stainless Steel: Stainless steel is chosen for its superior corrosion resistance, making it ideal for applications where the coupling is exposed to moisture, chemicals, or aggressive substances. Stainless steel flange couplings are common in industries such as food processing, pharmaceuticals, and marine.
• 3. Cast Iron: Cast iron couplings are known for their excellent strength and vibration-damping characteristics. They are often used in industrial settings, including pumps, compressors, and conveyor systems.
• 4. Aluminum: Aluminum couplings are lightweight and suitable for applications where weight is a concern. They are commonly used in industries such as aerospace and automotive.
• 5. Brass: Brass couplings offer good corrosion resistance and electrical conductivity. They are used in specific applications that require these properties.
• 6. Bronze: Bronze couplings are valued for their high strength, corrosion resistance, and resistance to wear. They are commonly used in marine and heavy machinery applications.
• 7. Plastic: Plastic couplings, such as nylon or polyurethane, are used in applications where weight, non-conductivity, and chemical resistance are critical factors.
• 8. Composite Materials: Some modern flange couplings may use composite materials that combine different properties, such as strength, flexibility, and corrosion resistance.

When selecting the material for a flange coupling, it is essential to consider factors such as load capacity, temperature range, chemical exposure, and the specific demands of the application. Proper material selection ensures that the flange coupling performs optimally and has a long service life in its intended environment.

editor by CX 2023-09-04