Weld tee

This standard applies to welded equal bore tees made of carbon and low alloy steel for pipelines of thermal power plants, to a nominal pressure of 4 MPa (40 kgf / cm2), at a working fluid temperature of up to + 425 ° C. According to this standard, welded equal bore tees are made, with a diameter from 76 mm to 1620 mm. The standard complies with the requirements of PB 10-573-03 “Rules for the Construction and Safe Operation of Steam and Hot Water Pipelines”, approved by the Gosgortekhnadzor of the Russian Federation.