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Threaded Coupling – Connect Two Threaded Pipes Securely

Product Description

1. Material & Standards(材质与标准)

  • Material: Carbon Steel / Stainless Steel (Optional)

  • Grades: ASTM A53 / A106 / SUS304 / SUS316

  • Standards: ISO 228-1 (BSPP Parallel Thread)

  • Thread: BSPP or NPT Optional

  • Coating/Finish: Hot-Dip Galvanized or Natural Stainless Finish

2. Key Specifications(主要规格参数)

  • Size Range: 1/8" to 12" (DN6 to DN300) – Compatible with Threaded Pipes

  • Wall Thickness: As per Matching Pipe Standard

  • Pressure Rating: Depends on Connected Pipe Rating

  • Thread Type: BSPP or NPT – Ensures Tight Sealing

  • Corrosion Resistance: Galvanized or Stainless Steel Options

3. Features & Benefits(特点与优势)
Reliable Connection – Easily join two threaded pipes without welding
Leak-Proof Design – BSPP/NPT threads with washers or gaskets for secure sealing
Corrosion-Resistant – Hot-dip galvanization or stainless steel material for durability
Wide Compatibility – Suitable for plumbing, industrial, fire protection, and hydraulic systems

4. Applications(适用范围)

  • Plumbing and Water Supply Systems

  • Fire Protection Piping

  • Industrial Machinery Connections

  • Hydraulic and Compressed Air Systems

5. Certifications(认证)

  • Mill Test Certificate (MTC)

  • ISO 9001 Certified

  • Hydrostatic & Ultrasonic Tested

Frequently Asked Questions (FAQ)

1. Are you a manufacturer or trading company?
We are a manufacturer with our own factory located in Hebei, China.

2. What materials do you offer?

  • Stainless Steel: 304, 304L, 316, 316L, 321, etc.

  • Carbon Steel: ASTM A105, ASTM A350 LF2, Q235, Q345, etc.

  • Alloy Steel: ASTM A182 F11, F22, F5, etc.

3. Which standards do your products comply with?
ASME B16.5, ANSI, ASTM, DIN, JIS, EN, GB — with third-party inspection available.

4. Do you support OEM/ODM customization?
Yes, we provide custom machining, coating, marking, and packaging based on your drawings.

5. What is your minimum order quantity (MOQ)?
MOQ is typically 1 piece for standard items; customized parts may vary.

6. Do you provide free samples?
Yes, free samples for standard sizes are available; buyers cover shipping cost.

7. What is your delivery time?

  • In-stock: 3–5 working days

  • Bulk/custom orders: 10–25 working days

8. How do you ensure product quality?
We perform full inspection: raw material verification, dimensional checks, pressure/leak tests, and surface finish inspection. Third-party testing is available upon request.

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