Description:
cast steel gate valves are widely used in the industries of oil, chemical, medicine-made, fertilizer, electrical power, etc. as on/off control valves for passing or cutting off the medium. The gate is designed as a wedge flexible gate of easy seal and wearing compensation, seal surface is overlaid with wearing resistant hardened alloy; the seat seal surface overlaid with wearing resistant hardened alloy to be matched with gate seal surface; the stem is specially treated to ensure its strength, rigidity, corrosion resistance and abrasion resistance. Our gate valve is with reliable seal, safe use and easy operation. Valves are available in a complete range of body/bonnet materials and trims, which are used for the medium of water, steam, oil product, nitric acid, acetic acid, etc.
 
Applicable Standard
Design Standard:     API **0, BS***4, DIN***2
Face to Face:       ASME B*6.*0, EN **8, DIN***2
End Flange:        ASME B*6.5, ASME B*6.*7, DIN***3
Buttwelding Ends:     ASME B*6.*5, DIN***9
Inspection and Test: API **8, DIN***0
 
Products Range
Size:      2" ~ *4"(DN*0 ~ DN**0)
Rating:    ANSI **0lb ~ **0lb
 
Body Materials:   Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim:  Per API **0 
Operation:  Handwheel, Gear, Electric, Pneumatic, Hydraulic 

Design Features 
Full port design 
OS&Y, outside and screw 
Bolted bonnet, back seal structure 
Flexible wedge, fully guided 
Choice of Solid or split wedge 
Renewable or welded seat 
Extended stem design for low temperature 
Flanged or butt-welding ends