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UL FM Certified Malleable Iron Equal Tee Factory and Suppliers in China
Premium UL and FM certified Equal Tees from a leading China factory. Our professional suppliers provide high-grade malleable iron fittings for residential and industrial plumbing systems to direct flow of gases and liquids with maximum precision.
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Our UL and FM certified Equal Tees are engineered for high-performance fluid and gas distribution, specifically designed to connect two piping components to direct flow with maximum precision. Manufactured from high-grade malleable iron, these tees serve as critical branching components in residential, commercial, and industrial plumbing and heating systems, ensuring leak-proof reliability under demanding conditions.

Combining rigorous certification standards with superior casting techniques, our Equal Tees provide a seamless transition for pipelines. With a wide range of sizes from 1/8" to 8" and available in black or hot-dipped galvanized finishes, these fittings are optimized for durability, corrosion resistance, and strict adherence to NPT and BSP international threading standards.

Detailed Parameters

MaterialMalleable IronCasting TypeTEE ConnectionFemaleShapeEqual
Working Pressure10kg/cm²Available Sizes1/8" to 8" Threading StandardsNPT, BSPSurface FinishBlack / Hot-dipped Galvanized
CertificationsUL, FM, NSF, ISO9000OriginHebei, China ApplicationPlumbing & HeatingComponent TypePipe Fitting
Weight (1/8")46.1 GramsWeight (8")35,900 Grams Max Dimension165.1 mmCase Qty (1/8")600 pcs
Pressure RatingStandard GradeCorrosion ProtectionGalvanized Option BrandPCompatibilityIndustrial Piping

Key Advantages

Global Certifications

Fully UL and FM certified, meeting the strictest international safety and fire protection standards for industrial use.

Long-Term Durability

High-strength malleable iron casting ensures exceptional wear resistance and structural integrity over time.

Precision Threading

Precise NPT and BSP female connections guarantee a tight, leak-proof seal and easy installation.

Versatile Applications

Ideal for branching gas and liquid flows in residential, commercial, and heavy industrial heating systems.

Anti-Corrosion Finish

Available in hot-dipped galvanized coatings to prevent rust and extend service life in humid environments.

Comprehensive Sizing

Extensive size range from 1/8" to 8", catering to everything from small-scale plumbing to massive industrial lines.

Product Gallery

Management Platforms

Quality Control

Rigorous ISO9000 quality management ensuring every piece meets strict dimensional tolerances.

Technical Support

Expert guidance on selecting the correct NPT/BSP fittings for your specific pressure requirements.

Certification Audit

Regular UL and FM audits to maintain the highest safety ratings for fire protection systems.

Supply Chain Optimization

Efficient logistics from Hebei, China to global markets, ensuring timely delivery of bulk orders.

Inventory Tracking

Comprehensive size tracking from 1/8" to 8" to ensure consistent stock availability.

Material Sourcing

Premium grade malleable iron procurement to ensure superior casting and structural strength.

Investment Return Comparison

FeatureStandard Malleable TeeOur UL/FM Certified TeeEconomic Impact
CertificationBasic ISOUL, FM, NSF, ISO9000Lower Insurance Premiums
Corrosion LifeStandard BlackHot-dipped Galvanized50% Lower Maintenance
Leakage RateModerateUltra-Low (Precision Thread)Reduced Product Loss
Installation SpeedStandardHigh-Precision FitFaster Project Completion
System Lifespan5-10 Years15-25 YearsLower Replacement Costs

Frequently Asked Questions

Q: What is the difference between NPT and BSP threads for these tees?

NPT (National Pipe Tapered) is primarily used in North American standards, while BSP (British Standard Pipe) is common in Europe and Asia. We provide both to ensure global compatibility.

Q: Why are UL and FM certifications important for pipe fittings?

UL and FM certifications guarantee that the fittings have undergone rigorous safety and pressure testing, which is often a mandatory requirement for fire sprinkler systems and industrial insurance.

Q: Can these Equal Tees be used for high-pressure gas lines?

Our tees are rated for a working pressure of 10kg/cm², making them suitable for a wide range of residential and commercial gas and liquid distribution systems.

Q: What are the benefits of Hot-dipped Galvanized finish over Black finish?

Hot-dipped galvanizing provides a thick protective zinc layer that significantly increases resistance to rust and corrosion, ideal for outdoor or humid industrial environments.

Q: What is the size range available for the Equal Tee?

We offer a comprehensive range from as small as 1/8" (17.5mm) up to 8" (165.1mm) to support various piping scales.

Q: Are these fittings suitable for potable water systems?

Yes, our products carry NSF certification, which ensures they are safe and suitable for use in potable water applications.

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