This standard applies to seamless welded equal and transition tees made of carbon and low alloy steel with technical requirements in accordance with GOST 17380.
Pressure
up to 10 MPa (100kgf/cm2)
Temperature
from -70°С to 450°С
materials
steel 20, 09G2S
Dimensions
Dn from 45 to 426 mm, with wall thickness from 2.5 to 18 mm. Tees are used for pipelines for various purposes, including those controlled by regulatory authorities.