Description
Crosses according to OST 1 13863-81 – the design feature lies in the compression nut (made of steel 30KhGSA) and the manufacture of steel grade 30KhGSA.
Description
OST 1 13863-81 Thrust crosses with compression nuts
Crosses according to OST 1 13863-81 – the design feature lies in the compression nut (made of steel 30KhGSA) and the manufacture of steel grade 30KhGSA.
Description of product design features
Material:
- crosspiece – steel grade 30HGSA;
- compression nut – steel grade 30HGSA.
Maximum operating and ambient temperature for the through-cross – 250 oS.
Coating:
- through crosspiece – cadmium (Kd9.phos.ox.);
- compression nut – cadmium (Kd6.phos.ox.gfzh) is carried out in our own electroplating shop.
An example of the name and designation of a crosspiece with a compression nut to a pipeline with an outer diameter of Dn = 10 mm from steel grade 30HGSA:
Through-through cross with compression nut 10-OST 1 13863-81
Instead of the normal 5719А
Product applications
Frogs with compression nuts are used in many industries. An increased demand for products, in particular, is observed in the aircraft industry, where such crosses are used for reliable connection of pipelines along the outer cone in liquid and gas systems of aircraft (helicopters).