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Fire Protection Galvanized Steel Threaded Pipe SCH40 – Sprinkler & Hydrant Systems

Product Description

1. Material & Standards(材质与标准)

  • Material: Carbon Steel

  • Grades: ASTM A53 Gr.B / A106 Gr.B (SCH40)

  • Standards: ASTM A53 / A106

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

  • Coating: Hot-Dip Galvanized (Zinc ≥ 610g/m², Salt Spray Resistance > 1,000 hrs)

2. Key Specifications(主要规格参数)

  • Size Range: 1/2" to 8" (DN15 to DN200)

  • Wall Thickness: SCH40

  • Pressure Rating: ≤ 1,000 PSI (6.9 MPa) for Fire Protection Systems

  • Thread Type: BSPP (Parallel Thread, ISO 228-1) – Requires Washer/Gasket for Sealing

  • Corrosion Resistance: Galvanized coating for long-term outdoor and humid environment use

3. Features & Benefits(特点与优势)
Leak-Proof Design – BSPP threads with washers ensure reliable sealing
Corrosion-Resistant – Hot-dip galvanization protects against rust in humid/fire-prone environments
Wide Compatibility – Fits standard sprinkler and hydrant piping systems
Durable & Reliable – SCH40 thickness ensures pressure resistance and mechanical strength

4. Applications(适用范围)

  • Sprinkler Systems

  • Fire Hydrant Piping

  • Commercial & Residential Fire Protection

  • Industrial Fire Safety Installations

5. Certifications(认证)

  • Mill Test Certificate (MTC)

  • ISO 9001 Certified

  • Hydrostatic & Ultrasonic Tested

1. Material & Standards

  • Material: Carbon Steel

  • Grades: ASTM A106 Gr.B (High-Temperature), A53 Gr.B (General Use), API 5L X42 (Oil & Gas)

  • Standards:

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

    • Pipe: ASTM A106/A53/API 5L

    • Coating: EN 10240 (Hot-Dip Galvanized)

2. Key Specifications

  • Size Range: 1/8" to 12" (DN6 to DN300)

  • Wall Thickness: SCH40, SCH80, or Custom

  • Pressure Rating: ≤ 1,000 PSI (6.9 MPa) for Low-Pressure Systems

  • Thread Type: BSPP (Parallel Thread, ISO 228-1) – Requires Washer/Gasket for Sealing

  • Coating: Hot-Dip Galvanized (Zinc ≥ 610g/m², Salt Spray Resistance > 1,000 hrs)

3. Features & Benefits

✔ Leak-Proof Design – BSPP threads pair with flat washers for reliable sealing
✔ Corrosion-Resistant – Galvanized coating ideal for humid/outdoor environments
✔ Wide Compatibility – Matches European/Asian hydraulic and plumbing systems
✔ Smooth Flow – Seamless construction reduces turbulence

4. Applications

  • Water Supply & Drainage

  • Compressed Air Systems

  • Low-Pressure Oil/Gas Lines

  • Industrial Machinery Connections

5. Certifications

  • Mill Test Certificate (MTC)

  • ISO 9001, API 5L PSL1

  • 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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