Npt ANSI B16.11 Threaded Steel Flange
TECHNICAL DESCRIPTION
Unions are connecting elements that provide a removable connection between pipes of the same diameter and threaded ends.
Dimensions: G1/2″ – G2″
The NPT ANSI B16.11 Threaded Steel Flange is engineered for high-pressure industrial applications, offering exceptional durability and leak-proof performance. Manufactured in compliance with ANSI B16.11 standards, this flange ensures precise threading and compatibility with NPT (National Pipe Taper) fittings, making it ideal for pipelines in oil and gas, chemical processing, and water treatment systems. Its robust steel construction provides superior resistance to corrosion, temperature fluctuations, and mechanical stress, guaranteeing long-term reliability in demanding environments.Key features include:Material: High-grade carbon steel for enhanced strength and corrosion resistanceStandards: Fully compliant with ANSI B16.11 specificationsThread Type: NPT (National Pipe Taper) for secure, tight connectionsPressure Rating: Suitable for high-pressure systems up to specified ANSI limitsApplications: Ideal for oil and gas, chemical, petrochemical, and industrial plumbingThis flange is designed for easy installation and maintenance, reducing downtime in critical operations. It is available in various sizes and pressure classes to meet diverse industrial requirements. Whether for new installations or retrofitting existing systems, this product delivers unmatched performance and safety, backed by rigorous quality testing.

Materials
| No. | DETAILS | MATERIALS |
|---|---|---|
| 1 | Hollander | steel A105 |
| other steels - on request | ||
| stainless steels - upon request |
Features
| SPECIFICATION | |
|---|---|
| Standard | ANSI B16.11 |
| Pressure | 3000 LBS (200 bar) |
| Thread standard | NPT |
| dimensions (mm) | |||||||
|---|---|---|---|---|---|---|---|
| DN | NPT thread | A | B min | C min | E min | L2 | kg |
| 8 | 1/4" | 43 | 32 | 18 | 3.2 | 10.21 | 0.140 |
| 10 | 3/8" | 48 | 36 | 19 | 3.2 | 10.36 | 0.200 |
| 15 | 1/2" | 51 | 43 | 21 | 4.0 | 13.56 | 0.350 |
| 20 | 3/4" | 57 | 50 | 24 | 4.8 | 13.86 | 0.425 |
| 25 | 1" | 64 | 60 | 25 | 4.8 | 17.34 | 0.650 |
| 32 | 1 1/4" | 70 | 70 | 29 | 5.6 | 17.93 | 0.975 |
| 42 | 1 1/2" | 79 | 78 | 30 | 5.6 | 18.38 | 1,260 |
| 50 | 2" | 89 | 95 | 37 | 6.4 | 19.22 | 2,010 |










