1/2'' to 6'' Galvanized Malleable Iron Pipe Fitting Backnuts for Pipeline in Water Supply

• Customization: Available
• After-sales Service: Onlie
• Connection: Female/Male
• Head Code: Round
• Thread Distribution: Internal Thread
• Surface: Polish
• Material: Iron
• Technics: Casting
• Application: Building Water Supply and Drainage, Fire Protectio
• Customized: Customized
• Certification: TUV, FM/UL/SNI/Abnt/ISO 9001/ISO 14001
• Warranty: 10 Years
• Height: 1/8"-6"
• Pressure: Low Pressure
• Pipe Features: No Additional Features
• Pipe Class: 150
• Thread Types: NPT or BSPT
• Working Pressure: 2.5 MPa
• Working Temperature: -20-200 Celsius Degree
• Connection Method: Thread Connecting
• Standard: En10242/DIN2950/ISO228
• Sample: Provided Freely
• Transport Package: Carton + Pallet
• Specification: 1/8"-6"
• Origin: Hebei, China

Product Description

ABOUT US

Maitolead Group is a leading integrated manufacturer in the pipeline industry, operating four specialized production facilities:
Malleable Iron & Grooved Pipe Fittings Factory
Valve Manufacturing Factory
Steel Pipe Production Factory
Carbon Steel & Stainless Steel Pipe Fittings and Flanges Factory
We supply complete piping solutions for fire protection systems, HVAC installations, municipal water supply, and oil & gas applications.
All major product lines are FM Approved and UL Listed, meeting stringent international safety standards. With strong manufacturing capacity and centralized supply coordination, we provide flexible delivery schedules tailored to both standard and time-critical projects.
Maitolead Group has established long-term cooperation with clients across Saudi Arabia, the United Arab Emirates, the Philippines, Spain, Chile, and other global markets. Our products have been successfully installed in landmark projects such as Beijing Daxing International Airport, Guangzhou Tower, and Riyadh Hospital Projects.
We are committed to delivering certified quality, reliable performance, and consistent value to engineering contractors and distributors worldwide.

size	1/8''-6''
Material	malleable iron
standard	ISO 5922/ISO 049/ISO 7-1,ISO 228/EN 1562:1997,EN 10242:2003/DIN 2950/1692/2999,ANSI/ASTM A197/A197M ANSI/ASME B16.3, B16.14,  B16.39
certifacate	FM/UL/CE/ABNT/SNI/SIRM/TSE/ISI
Surface Treatment:	Nature Black/Hot  Dip Galvanized/Eletro  Galvanized/
work pressures	PN25/2.5Mpa/363PSI/class150/25bar
Max Temperature:	200°C (392°F)
Tensile Strength:	≥350MPA
Elongation:	≥10%
Hardness:	≤HB150

Factory production

Main production process

FAQ

1. Product Certifications & Standards
Q1: Are your products compliant with international certifications (e.g., UL, FM, CE)?
A: Yes, our core products hold the following certifications:
 
Fire Protection Products: UL/FM
Pipes & Valves: CE-PED 
Seismic Bracing: UL/FM
Regional certifications available (e.g., SASO for Saudi Arabia, GOST for Russia) upon request.
 
Q2: Can you provide third-party test reports or certification documents?
A: Absolutely! We supply with each shipment:
 
Factory inspection reports (material composition, pressure test data)
 
Original certifications (ISO 9001, lab accreditation)
 
2. Export Packaging & Logistics
 
Q3: Is your export packaging suitable for long-distance shipping or extreme climates?
A: We use 3-level protective packaging:
 
Anti-rust treatment: Vacuum sealing + anti-corrosion oil (metal parts)
 
Reinforced packaging: Moisture-proof wooden crates/steel strapping (<10% humidity)
 
Container solutions: Desiccants/shock-absorbing fillers (loading guidance video available)
 
Q4: Do you support EXW/FOB/CIF/DDP Incoterms?
A: Flexible options:
 
EXW (pickup at factory): Client arranges logistics
 
FOB (major Chinese ports): Includes export clearance
 
CIF/DDP: Partner with preferred freight forwarders (door-to-door quotes available)
 
Q5 What is your production and delivery timeline?
A:Standard products: 15-20 days (after order confirmation)
 Customized products: 25-30 days (subject to drawing approval)

 Q6: Can you provide complete customs clearance documents?
A: Each shipment includes:
 
Commercial Invoice
 
Packing List
 
Certificate of Origin (CO/Form F)
 
Material Test Certificate (MTC)
 
Special documents upon request