Cast steel valve series
National standard globe valve is the most commonly used shutoff valve series products, the seat and disc sealing surface with different hardness division is set (Stellite) cobalt-based hard alloy surfacing and become, reliable sealing, high hardness, wear resistance, high temperature resistance, good corrosion resistance, abrasion resistance, long service life.
Basic design specification: GB/T 12234
Test: GB/T 12235 product specification models: J41H, J41W
Size range: DN15 ~ 12
Pressure rating: 1.6 ~ 6.4 MPa
Shell material: carbon steel, stainless steel
Applicable medium: gas, liquid and steam
Operation mode: manual, pneumatic, electric design features Optional flat or round surface disc
Disc and seat sealing surface cobalt-based carbide of different hardness surfacing
Sealing is reliable, high hardness, wear resistance, high temperature resistant, corrosion resistant, long service life
Stem through surface nitriding treatment and conditioning, with good abrasion resistance and abrasion resistance