This malleable iron street Elbow A197 NPT is manufactured in accordance with ASTM standards. It is used for 90° turning connection in narrow spaces of piping systems, with one male thread and one female thread for compact and convenient installation. Made of high-quality black heart malleable iron with high-temperature annealing, it features good toughness, high strength and impact resistance. With high-precision threads and reliable sealing, it is available in black, electro-galvanized or hot-dip galvanized finish, corrosion-resistant and easy to install, widely used in water, gas, steam, fire protection and various low-pressure industrial fluid piping systems.
Standard: ASTM A197
Type: Street Elbow A197 NPT
Material: Black Heart Malleable Iron
Pressure Class: 150LB / 300LB
Temperature Range: -20℃ ~ 230℃
Thread Standard: NPT / BSP
Surface Treatment: Black / Electro-galvanized / Hot-dip Galvanized
Applicable Media: Water, hot water, oil, gas, compressed air, fire water, low-pressure steam
| SIZE | A (MM) | B (MM) | |
| 1/8″ | DN6 | 17.5 | 25.4 |
| 1/4” | DN8 | 20.6 | 30.2 |
| 3/8” | DN10 | 24.1 | 36.6 |
| 1/2” | DN15 | 28.5 | 41.2 |
| 3/4” | DN20 | 33.3 | 48 |
| 1” | DN25 | 38.1 | 54.4 |
| 1 1/4” | DN32 | 44.5 | 62.2 |
| 1 1/2” | DN40 | 49.3 | 68.3 |
| 2” | DN50 | 57.2 | 82.8 |
| 2 1/2” | DN65 | 68.6 | 98 |
| 3” | DN80 | 78.2 | 114.6 |
| 4” | DN100 | 96.3 | 144.5 |
| 6” | DN150 | 130.3 | 203 |
Fire Protection Systems: Turning connection in narrow spaces of sprinkler networks
Water Supply & Drainage: Turning installation for compact layout of building pipelines
HVAC & Heating: Turning connection for boiler and radiator system pipelines
Industrial Pipelines: Turning transition in narrow spaces of compressed air and steam pipelines
Gas Engineering: Turning connection for compact layout of gas pipelines
Marine & Mining: Male-female turning installation for low-pressure fluid pipelines
Inspect the street Elbow A197 NPT before installation to ensure no cracks, deformation and intact threads
Clean impurities on threads of fittings to ensure clean connection
Wind PTFE tape clockwise or apply pipe thread sealant on male threads
Tighten the Elbow A197 NPT evenly with a wrench to proper sealing, avoid overloading
Pressure test after installation; put into use only after confirming no leakage
Regularly check the Elbow A197 NPT for leakage, looseness and corrosion
Apply anti-rust treatment in outdoor or humid environments to extend service life
Replace in time if cracks, thread slipping or seal failure occurs
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OEM is available. We can customize the product according to your specific requirements, including logo printing and packaging design.
The MOQ is 500 pieces. For customized products with special sizes or surface treatments, the MOQ may vary.
After order confirmation and receipt of the advance payment, we will arrange production. Generally, the products can be ready for shipment within 15-20 working days. Once dispatched, we will notify you and provide all necessary documents for customs clearance.
All products are 100% new and undergo strict quality inspections, including pressure testing and dimensional checks, before delivery. We use sturdy wooden crates or cartons to ensure the products are well-protected during transportation.
Yes, we provide detailed installation instructions in English and other major languages. Our technical support team is also available for online consultation and guidance if needed.
Sales Inquiry:
Provide contact information for sales inquiries.
Email: [email protected]
Phone: +86 13012223295
If you have any questions regarding product installation, commissioning, operation or maintenance, please contact our technical support team for professional assistance:
Email: [email protected]
