Generally speaking, ductile iron groove fittings are usually manufactured to industry standards that ensure quality and performance. Standards for ductile iron fittings may vary depending on region, application and specific requirements. One of the commonly used reference standards for ductile iron pipe fittings is: ANSI/AWWA C606 - Groove and Shoulder Joints: This standard is published by the American Water Works Association (AWWA) and provides specifications for groove and shoulder joints for ductile iron pipe and pipe. . Accessories.
Quality inspection of ductile iron grooved pipe fittings: When checking the quality of ductile iron grooved pipe fittings, the following factors should be considered:
1. Material certification:
Ensure that the manufacturer provides a material certification to verify that the ductile iron used in the fitting meets the required standards.
2. Manufacturer's Specifications: Check the manufacturer's specifications and guidelines for your accessories. This information typically includes details about design, materials, and performance characteristics.
3. Third-party certification: Check whether the manufacturer has obtained third-party certification from a reputable agency. Certification from organizations such as Underwriters Laboratories (UL) or Factory Mutual (FM) may indicate compliance with industry standards.
4. Dimensional accuracy: Verify that accessories meet specified dimensional requirements, including size, wall thickness and angle.
5. Surface finish: Check whether the surface finish of the accessories is smooth and whether there are defects that affect performance.
6. Seals and gasket compatibility: Ensure accessories are compatible with specified gaskets and seals. The effectiveness of grooved joints depends on proper sealing.
7. Corrosion Resistance: Ductile iron fittings are often coated to resist corrosion. Check the type and quality of coating to ensure long-term durability.
8. Test and inspection reports: Manufacturers usually provide test and inspection reports for their products. Check out these reports to learn how to test the performance and quality of your accessories.
Nominal
Size mm/in |
Pipe OD
mm/in |
Working pressure
psi/Mpa |
Dimensions L
mm/in |
50
2 |
60.3
2.375 |
300 psi
2.07 Mpa |
35
1.37 |
65
212 |
76.1
3 |
300 psi
2.07 Mpa |
38
1.49 |
80
3 |
88.9
3.5 |
300 psi
2.07 Mpa |
38
1.49 |
100
4 |
108
4.25 |
300 psi
2.07 Mpa |
44
1.73 |
100
4 |
114.3
4.5 |
300 psi
2.07 Mpa |
44
1.73 |
125
5 |
133
5.25 |
300 psi
2.07 Mpa |
51
2.00 |
125
5 |
139.7
5.5 |
300 psi
2.07 Mpa |
51
2.00 |
150
6 |
159
6.25 |
300 psi
2.07 Mpa |
51
2.00 |
150
6 |
165.1
6.5 |
300 psi
2.07 Mpa |
51
2.00 |
150
6 |
168.3
6.625 |
300 psi
2.07 Mpa |
51
2.00 |
200
8 |
219.1
8.625 |
300 psi
2.07 Mpa |
51
2.00 |
what is the rigid and flexible Coupling difference?
Coupling play an important role in connecting pipe segments to prevent leaks caused by damaged or damaged joints while maintaining the integrity of the pipe in the process. It is a very suitable fitting for the pipe and pipe industry. Most pipe installations require multiple pipe sections to be joined together or cut to facilitate changing direction and traversing obstacles. A fitting is a concise pipe or pipe. It has a socket or female thread at one or both ends. Fitting allows two pipes or pipes of the same or different sizes to be joined together to form a long pipe.
Flexible coupling
Flexible couplings are designed to transmit torque while allowing some radial, axial and angular misalignment. They can accommodate angular misalignment of up to a few degrees and some parallel misalignment. Elastic couplings allow for some angular misalignment and axial movement, meaning they can be used to create smooth bends and absorb thermal expansion contractions in piping systems. In some cases, the use of elastic couplings can even exclude conventional expansion joints, loops and other expansion devices from the system entirely. When assembling a stretch rubber gasket, the gasket is slightly smaller than the pipe diameter at both pipe ends and produces the first seal. The two halves of the coupling are then placed around the washers that adapt to them. The coupling halves are bolted together to further improve the seal.
1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons
2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.
3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.
4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally Tianjin Port or Qingdao Port. We can transport the goods to designated warehouses, such as Yiwu, Guangzhou, etc.
5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV
6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.
7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.
8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.
9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.
Audited Supplier 
Audited Supplier 
){kind=link}
){kind=link}