Free Sample CuNi 70/30 Forged SW Flange ASME B16.5 CL150 Seawater Pipe

Product Specification

Free Sample CuNi 70/30 Forged SW Flange ASME B16.5 CL150 Seawater Pipe

1. Product Description

CuNi 70/30 Forged Socket Weld Flange is manufactured from high-quality copper-nickel alloy (UNS C71500) through hot forging process. It features a socket weld connection with Raised Face sealing surface, produced in accordance with ASME B16.5 standard, Class 150 pressure rating. Designed for seawater pipe systems, this flange offers excellent corrosion resistance in marine environments. We offer free samples for customer evaluation, allowing you to check quality and specifications before placing bulk orders. The socket weld design ensures easy installation and reliable sealing, making it a trusted choice for shipbuilding, offshore platforms, and industrial seawater piping applications.

2. Key Product Parameters

3. Product Applications

• Ship seawater cooling systems

• Offshore platform water service piping

• Seawater desalination plants

• Coastal power plant cooling circuits

• Heat exchanger connections

• Marine fire water systems

• Deck wash and bilge piping

• Water circulation systems

4. Product Advantages

1. Free Sample Available: We provide free samples for 1/2" to 2" sizes, so you can inspect product quality, dimensions and workmanship before placing a bulk order.

2. Excellent Seawater Corrosion Resistance: CuNi 70/30 alloy forms a natural protective layer in seawater, ensuring long service life in marine environments.

3. Hot Forged Quality: Manufactured by hot forging, providing dense grain structure and good mechanical strength.

4. Natural Anti-Fouling: Copper content helps reduce marine organism attachment, keeping pipes cleaner.

5. Easy Installation: Socket weld design simplifies pipe fitting and welding, saving installation time and labor.

6. Reliable Sealing: Raised Face design provides effective sealing with suitable gaskets.

7. ASME B16.5 Standard: Manufactured to strict tolerances, ensuring fit with standard pipes and fittings.

8. Low Maintenance: Self-forming protective film eliminates the need for extra coatings.

5. Product Functions

• Provide reliable socket weld connection for seawater piping

• Ensure leak-proof sealing in saltwater service

• Withstand Class 150 working pressure safely

• Allow easy disassembly for maintenance

• Connect seawater pipes to pumps, valves and equipment

6. User Instructions

Sample Evaluation:

1. Upon receiving free sample, check packaging condition first.

2. Inspect flange surface, dimensions and markings.

3. Measure key dimensions to verify ASME B16.5 compliance.

4. Conduct material verification if needed.

5. Contact us for any questions before placing bulk order.

Pre-Installation Preparation:

1. Inspect each flange for transport damage.

2. Verify size, class and material grade against drawings.

3. Clean socket bore and sealing face thoroughly.

4. Use dedicated tools for CuNi material.

Installation Steps:

1. Insert pipe fully into socket, then withdraw 1.6mm for expansion gap.

2. Ensure pipe is square to flange face.

3. Tack weld at 4 positions around hub.

4. Complete fillet weld using TIG with ERCuNi filler.

5. Use argon shielding gas throughout.

6. Keep welding temperature moderate.

7. Clean weld area after each pass.

Post-Installation:

1. Visual inspection of all welds.

2. Pressure test as per requirements.

3. Check for leakage at all joints.

7. Product Precautions

1. Store in dry, ventilated indoor area.

2. Keep separated from carbon steel.

3. Handle with care, avoid dropping.

4. Do not use with ammonia media.

5. Always use argon shielding when welding.

6. Use dedicated tools for CuNi work.

7. Control seawater flow velocity within reasonable limits.

8. Shipping Information

9. Payment Information

10. Packaging Information

11. Purchase, Return & After-Sales Service

How to Get Free Sample:

1. Contact us with required size and specification.

2. Confirm sample availability and delivery details.

3. Sample shipped for your evaluation.

4. Place bulk order after quality confirmation.

Return & Exchange:

• Quality issues: notify within 30 days, replacement or refund provided.

• Non-quality returns: within 15 days, unused and original packaging, customer bears freight.

After-Sales:

• Warranty: 12 months from shipment.

• Technical support available for product questions.

• Quick response within 24 hours.

• 1. Are you trading company or manufacturer ?
  We are manufacturer ,You can see the certification.
  2. How long is your delivery time?
  Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
  3. Do you provide samples ? is it free or extra ?
  Yes, we could offer the sample for free charge but need pay the cost of freight.
  4. What is your terms of payment ?
  Payment<=1000USD, 100% in advance. Payment>=1000USD, 50% T/T in advance ,balance before shippment.