Our Galvanized Malleable Iron Round Caps are engineered for high-performance termination of piping systems across diverse industrial applications. Manufactured from premium black heart malleable iron and treated with a professional hot-dipped galvanized finish, these caps provide an airtight and leak-proof seal, ensuring the integrity of your pipelines against internal pressure and external environmental factors.
Designed to meet stringent global standards including ISO, ANSI/ASME, and DIN, these round caps are ideal for transporting water, oil, air, steam, and gas. With superior tensile strength and corrosion resistance, they offer a reliable solution for both commercial and industrial piping networks where durability and safety are non-negotiable requirements.
Detailed Parameters
| Material | Black Heart Malleable Iron | Standards | ISO5922, ANSI/ASME A197, DIN1692 |
|---|---|---|---|
| Size Range | 1/4” – 6” (as per ISO49, ANSI B16.3) | Thread Types | ISO7/1, ANSI/ASME B1.20.1, DIN2999 |
| Tensile Strength | ≥33kg/mm² (≥350mpa) | Elongation | ≥8% to 10% |
| Working Pressure | 1.6MPA (16KG/CM²) | Test Pressure | 2.5MPA (25KG/CM²) |
| Surface Finish | Hot Dipped Galvanized / Black | Hardness | <HB150 |
Key Advantages
Corrosion Resistance
The hot-dipped galvanized coating provides a robust shield against rust in water, air, and steam environments.
Extended Lifespan
High-grade malleable iron ensures exceptional durability and resistance to wear and tear over long-term use.
High Tensile Strength
Engineered to withstand significant mechanical stress, preventing deformation under operational pressure.
Leak-Proof Sealing
NPT and ISO tapered threads create tighter seals than straight threads, minimizing leakage risks.
Global Compatibility
Fully compliant with BSI, ANAB, ISO9001, and FM certifications for worldwide project acceptance.
Versatile Application
Perfectly suited for oil, gas, water, and steam pipelines across various industrial sectors.
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Quality Control
Strict adherence to ISO9001 and CIQ standards for zero-defect production.
Precision Engineering
Advanced molding and threading processes ensuring exact dimensional accuracy.
Testing Rigor
Every batch undergoes 2.5MPA pressure testing to ensure operational safety.
Customization
Capability to produce according to buyer's specific drawings and technical designs.
Logistics Efficiency
Export-standard packing with options for pallets and double woven bags.
Fast Delivery
Optimized supply chain ensuring shipment within 30-45 days post-deposit.
Investment Return Comparison
| Feature | Standard Iron Fittings | Our Galvanized Malleable Fittings |
|---|---|---|
| Corrosion Rate | High (Fast Rusting) | Very Low (Galvanized Protection) |
| Installation Speed | Moderate | Fast (Precision Tapered Threads) |
| Maintenance Cycle | Frequent Replacements | Long-term Stability |
| Pressure Rating | Variable/Low | Stable 1.6MPA Working Pressure |
| Total Cost of Ownership | Higher (due to leaks/rust) | Lower (due to durability) |
Frequently Asked Questions
Black fittings are untreated and suitable for gas or oil where corrosion is not a primary concern, while galvanized fittings are hot-dipped in zinc to prevent rust, making them ideal for water and steam applications.
Our products are manufactured in accordance with ISO5922, ANSI/ASME A197, and DIN1692, and are certified by ISO9001, SGS, BV, and CCIC.
They are widely used in the construction and manufacturing industries for piping networks transporting water, air, steam, oil, and gas.
Yes, we accept buyer's drawings and designs to produce customized fittings that meet specific project requirements.
We use National Pipe Taper (NPT) and ISO threads which create a wedge-like seal, and every product is tested at 2.5MPA to ensure no leaks occur under pressure.
Normal delivery time ranges from 30 to 45 days after the receipt of the deposit, depending on the quantity and specifications.
