Product Description

Product Details

 

Product Name	Socket-welded Full Coupling
Material	Stainless steel: 201,TP304,TP316, TP304L, TP316L, 304L, 316L, TP321, TP310S, 904L etc.             Carbon steel: A105, Q234, Q235, X52, F60,F70, Y60, Y70 etc. Duplex steel: 2205(S31803), S32205, 2507(S2750),  S3276 etc. Other special: C70600, 254MO
Connection	Socket Welding
Size	1/8″, 1/4″, 3/8″, 1/2″, 3/4″, 1″, 1-1/4″, 1-1/2″, 2-1/2″, 3″, 4 ” etc
Standard	ASME, ANSI, MSS-SP, GB etc
Application	Pipe lines connection of water, steam, air, gas, oil etc
Technics	Forged, Casting

 
Socket Welding

DN	Nom Pipe Size	B2	C1		D2	E2	J (Min)
			Avg	Min

3000LB
6	1/8	10.8	3.18	3.18	6.9	6.5	9.5
8	1/4	14.2	3.78	3.30	9.3	6.5	9.5
10	3/8	17.6	4.01	3.50	12.6	6.5	9.5
15	1/2	21.8	4.67	4.09	15.8	9.5	9.5
20	3/4	27.2	490	4.27	21.0	9.5	12.5
25	1	33.9	5.69	4.98	26.7	12.5	12.5
32	1-1/4	42.7	6.07	5.28	35.1	12.5	12.5
40	1-1/2	48.8	6.35	5.54	40.9	12.5	12.5
50	2	61.2	6.93	6.04	52.5	19.0	16.0
65	2-1/2	73.9	8.76	7.67	62.7	19.0	16.0
80	3	89.8	9.52	8.3	78.0	19.0	16.0
100	4	115.2	10.69	9.35	102.3	19.0	19.0
6000LB
6	1/8	10.8	3.96	3.43	4.0	6.5	9.5
8	1/4	14.2	4.60	4.01	6.4	6.5	9.5
10	3/8	17.6	5.03	4.37	9.2	6.5	9.5
15	1/2	21.8	5.97	5.18	11.8	9.5	9.5
20	3/4	27.2	6.96	6.04	15.6	9.5	12.5
25	1	33.9	7.92	6.93	20.7	12.5	12.5
32	1-1/4	42.7	7.92	6.93	29.5	12.5	12.5
40	1-1/2	48.8	8.92	7.80	34.0	12.5	12.5
50	2	61.2	10.92	9.50	42.9	19.0	16.0
9000LB
15	1/2	21.8	9.35	8.18	6.4	9.5	9.5
20	3/4	27.2	9.78	8.56	11.1	9.5	12.5
25	1	33.9	11.8	9.96	15.2	12.5	12.5
32	1-1/4	42.7	12.14	10.62	22.8	12.5	12.5
40	1-1/2	48.8	48.8	12.70	11.12	28.0	12.5
50	2	61.2	13.84	12.12	38.2	19.0	16.0

 

Our Advantages

01. Customization

Get a perfect, custom pipe coupling

 

 

02. Advanced Technique

Mature and advanced equipment and professional test engineers ensure high quality products

03. Excellent Quality

Real material with uniform wall thickness
Smooth surface
Strong tensile strength
Corrosion resistance
Long-term use

 

 

Appilcation

Transportation

About Us

      Founded in 2571, our company, HangZhou Dejia Special Steel Co., Ltd is specialized in producing various products such as elbows, tees, reducers, caps, flanges and valves. We can produce products according to National standard, American standard etc. It’s our feature that we can produce products of any size ad per customers’ special demands.

     Our company CHINAMFG on honesty, continuity and transparency with our clients. We would like to cooperate with global customers and make the good protection project in world market.

    Why choose our company? We features scientific and rational design, advanced production process, quality manufacturing materials,  comprehensive security protection and first-class after-sales service.

FAQ

Q: What are your main products?
A: We specialize in producing a wide range of valves, elbows, flanges, Tee, Cross, gaskets etc.

Q: How long is your delivery time?
A:Usually it’s 15-30 days all the best or it’s more than 30 days according to the quantity.

Q: Do you provide samples? Free or charge?
A:Yes, we’d like to offer you samples but you have to cough up dough for shipping.

Q: How do you guarantee the quality of your products?
A: Before mass production, a few products made by our engineers for conduct tests. All products must be checked before shipping.

Q: How about your service?
A: Xihu (West Lake) Dis.g to the concept of ” Service Supremacy”, we have pre-sale service, on-purchase service and after-sales service.

Q: About packing?
A: Depending on the properties of the product, choose its appropriate packaging to protect the item from damage and allow you to purchase at ease.

Q: About color difference?
A:  All products are shot in real objects, and there will be a slight degree of color difference between the real thing and the picture due to the shooting light, the color value bias of the display, and the individual’s understanding of color. Colour is subject to the goods received.

Q: What size can your company produce?
A: We have all the common sizes on the market. In addition, we can also customize according to your needs, whether its size or material.

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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.

Electrical Insulation in Flange Couplings

In certain applications, flange couplings may need to provide electrical insulation between shafts to prevent the flow of electrical currents and ensure safety and proper functioning. The handling of electrical insulation in flange couplings depends on the design and materials used:

1. Material Selection: Some flange couplings are manufactured using electrically insulating materials, such as certain polymers or composite materials. These materials have high resistivity and do not conduct electricity, effectively isolating one shaft from the other.

2. Sleeve or Coating: In some cases, a non-conductive sleeve or coating is added to the coupling to provide electrical insulation. This sleeve can be made from materials like rubber or other insulating compounds.

3. Insulating Inserts: Flange couplings may incorporate insulating inserts or liners between the mating surfaces to prevent electrical conduction.

4. Dielectric Grease: Dielectric grease, a non-conductive and water-resistant grease, can be used to fill any gaps between mating surfaces and enhance the electrical insulation properties of the flange coupling.

It’s crucial to ensure that the chosen flange coupling provides adequate electrical insulation for the specific application. The level of insulation required will depend on the electrical characteristics and voltages involved in the system. Additionally, proper installation and maintenance are essential to maintain the integrity of the electrical insulation over time.

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 2024-02-14