GOST 17375 – Sharply curved tangent pipe bends type 3D (R ≈ 1,5 DN).The bend intends for smooth changing the direction of the pipeline.3D (R=1,5 DN), θ=900С, second performance.
GOST 17375 321 90° LR elbows
| Description of goods | Sharply curved steel seamless bend |
| Sphere of application of goods | The tangent pipe bends intends for smooth changing the direction of the pipeline. |
| It is used to installation of general-purpose pipelines | |
| Compliance to the normative document | GOST 17375-01 |
| Type of goods | 3D (R=1,5 DN), θ=900С, second performance |
| Material | Carbon and low-alloy steel (steel grade 20) |
| Fabrication method | The bend is made of seamless hot-deformed steel pipe (GOST 8732-78) by a method of hot drawing through the horn-shaped core |
| Method of connection to the pipeline | Welding |
| Operation medium | Water, steam, gas |
| Temperature of the operation medium | The range of -40 to +4500С |
| Conditional pressure of the operation medium | The range of 2,5 to 10 MPa (the range of 25 to 100 kgs/cm2) |
| Nomenclature (outer diameter, mm x wall thickness, mm) |
45х3,0 57х3,0 57х3,5 76х3,5 89х3,5 108х3,5 114х3,5 133х3,5 159х4,5 219х5,0 273х7,0* 273х8,0* 325х8,0* 377х10,0* 426х10,0* 530х10,0 (GOST 30753-01, type of the bend: 2D (R=DN), θ=900С)* |