PN Flanges

Your Professional PN Flanges Supplier

 

Our goal is to be your true partner in PN Flanges field in China.We have a skilled engineering team dedicated to refining every stage, from product development and process improvement to production oversight, ensuring every product delivered meets rigorous quality and performance standards. The price is competitive and the product is quality-assured, which is a good choice for your long-term cooperation.

 

 
 
Why Choose Us

Product application

Our products are widely used in power plants, nuclear power, petrochemicals, natural gas, military, municipal infrastructure, metallurgy, construction, pharmaceuticals, papermaking, coal mining, cement production, pollution control, environmental protection and energy conservation.

Production equipment

We have more than 120 equipment, demonstrating our strong production capacity and commitment to high-quality production. The rich product line enables us to efficiently meet various project needs and maintain a competitive advantage in the industry.

 

One-stop service

Inquiry-quotation-sample-order-production-delivery-after-sales service.

 

Sales team

Well-trained and experienced - quick response - smooth communication - timely quotation - perfect solution.Working with us will give you peace of mind.

 

SS Blind Flange

Advantages of PN Flanges

Safe and reliable sealing
Flanges provide a strong and reliable seal between pipes and equipment, preventing leaks and ensuring safe operation.

 

Easy assembly and disassembly
Flanges allow for quick and easy connection and disconnection of pipes, making maintenance and repairs more efficient.

 

Durable and reusable
Flanges are typically durable and can be reused multiple times, making them a cost-effective solution.

 

High pressure and temperature resistance
Flanges are designed to withstand high pressures and temperature changes, making them suitable for various industrial applications.

 

Simplified maintenance
Flanges simplify maintenance by allowing for easy access to pipes and equipment.

Compatibility and flexibility

Flanges can be used to connect pipes of different diameters, materials, and pressure ratings, offering flexibility in system design.

Standardized design

Pressure nominal flanges are standardized, ensuring consistent performance and interchangeability across different manufacturers.

Reduced risk of loosening

Flange connections are less likely to loosen compared to traditional hydraulic fittings, especially in severe service applications.

Versatile applications

Flanges are used in various industries, including industrial plants, petrochemical facilities, water treatment plants, shipbuilding, and the oil and gas industry.

 

Applications of PN Flanges

Flanges are used to securely and firmly bring together pipes, valves, pumps, or other equipment at a joint. Some important functions provided by flanges are:

2
Slip On Pipe Flange
Ss Weld Neck Flange
(2)

Connection
Flanges allow for the assembly of components at a joint. One flange is mounted onto the outer circumference of the pipe or equipment, while the other flange is mounted at the opposite side of the joint. They are securely connected using bolts and nuts, ensuring a reliable connection.

 

Durability
Flanges provide resistance against pressure, temperature, and other forces within the system. High pressures or temperature changes between pipelines or equipment can be effectively accommodated due to the solid connection provided by flanges.

 

Sealing
Flanges are used to achieve sealing at the joint. Gaskets or sealing materials at the joint prevent unwanted leaks of liquids or gases within the pipelines. This is important for safe operations and environmental protection.

 

Ease of assembly and maintenance
Flanges allow for easy assembly and disassembly of pipes or equipment. When repairs, maintenance, or modifications are needed, the parts can be quickly separated and reassembled using flanges. This provides a significant advantage for production continuity and efficiency.

 

Flexibility
Flanges enable transitions between different pipe diameters, pressure classes, or materials. They are used at joints of different components or systems to bring together various elements and ensure compatibility.

 

Flanges are widely used in industries such as industrial plants, petrochemical facilities, water treatment plants, shipbuilding, and the oil and gas industry. In these sectors, flanges are considered a critical component to provide a secure and solid joint, ensure sealing, and facilitate easy assembly or maintenance.

 

Product Description
 

Material

Carbon Steel

ASTM A105, LF2, CL1 / CL2

16MN,20#, WPB

Stainless Steel

ASTM A182, F304 / 304L, F316 / 316L,A182F317/317L,A182F310,F321,F347,316Ti

Alloy Steel

ASTM A182 A182 F12,F11,F22,F5,F9,F91,F51,F53,F55,F60,F44,F304H,F316H,F317H,F321H,F347H,INCONEL 600,625,825,etc.

Standard

ANSI/ASME B16.5

Class 150 Flanges-Class 2500 Flanges

DIN

6Bar 10Bar 16Bar 25Bar 40Bar 63Bar

JIS

5K Flanges-30K Flanges

EN1092-1

6Bar 10Bar 16Bar 25Bar 40Bar 63Bar 100Bar

Type

1. Plate Flange 2. Flat Flange 3. Slip on Flange 4. Welding Neck Flange 5.Long Welding Neck Flange 6. Blind Flange 7. Socket Welding Flange 8. Thread Flange 9. Screwed Flange 10. Lap Joint Flange. etc.

Connection Type

Raised Face, Flat Face, Ring Type Joint, Lap-Joint Face, Large Male-Female, Small Male-Female, Large Tongue, Groove, Small-Tongue, Groove, etc

Size

1/2"-100",SCH5S-SCH160S,XS,XXS,STD

Heat Treatment

Normalizing, Annealing, Quenching Tempering

Applications

Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc.

Surface

Transparent anti tust oil,yellow anti rust oil,black paint,or clients request

 

Delivery
 

Selling units

Single item

Single package size

20X15X10 cm

Single gross weight

15.000 kg

 

Lead Time
 

Quantity (pieces)

1 - 200

> 200

Lead time (days)

20

To be negotiated

 

 

Packaging & Shipping

 

Customized Packaging
We accept customized packaging, can print your logo or brand on the label and box.
Export Packaging
We use export cartons/steel frames for packaging, and put marks on them to protect long-distance transportation.

Shipping

For large-volume orders: We cooperate with several international freight companies to provide you with the best shipping services.

For samples and small-volume orders: We ship via international express companies such as TNT, FedEx, UPS and DHL.

 

 

FAQ

 

Q: Can you make the product as per client's requirement?

A: Yes, we can make it with your exact requirement.

Q: What are your payment terms?

A: T/T (30% as deposit, the rest 70% will be paid before delivery), L/C at sight.

Q: Can I visit your factory before the order?

A: Yes, welcome to our factory to check the quality.

Q: Where is your nearest loading port?

A: Shanghai, Qingdao or Tianjin, China.

Q: How can you guarantee the quality or any warranty?

A: If any quality problems during use, all the products can be returned or according to consumer's requests.

Q: Do you accept small quantity order?

A: Of course we do.

Q: Can we choose different material?

A: Yes, the material can be chose according to your requirement.

Q: And what is your shipment and delivery time?

A: By sea or air. Normally 7 to20 Days for delivery, according to your order quantity.

Zhejiang Chengjiu Pipeline Co., Ltd. is one of the most professional pn flanges manufacturers and suppliers in China, specialized in providing high quality customized service. We warmly welcome you to buy high-grade pn flanges from our factory. For price consultation, contact us.

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