Description
Flanged ends cast steel gate
valve are used to cut or connect the pipe media under nominal
pressure between PN1.6～PN*2.0 MPa (Class**0～Class***0), working
temperatures ≤**0℃ in oil industry, chemical industry,
fossil-fired power plants.
1. Both
design and manufacture are carried out strictly following
GB/T****4, API**0 and API**2. The products feature a reasonable
structure, reliable seal, good performance and nice modeling.
2. Co
hard alloy welded sealing surface, which is wearing resistant,
erosion proof, abrasion proof and long use life.
3. The
surface and the adjusting media of the valve shaft are nitrogenized
so that it is erosion and abrasion resistant.
4. PN≥*5.0
MPa (Class**0), the middle cavity uses a self-tightening sealing
structure to have the sealing performance reinforced along with the
pressure rise so as to ensure the sealing performance.
5. There
is a back seat structure in the valve, so the sealing is
reliable.
6. The
body material and the end dimension can be selected and machined
according to the applications and the requirements of the user’s.
that can satisfies all kinds of working requirements.
