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.



