Developed from 304 grade/316 grade/416 grade stainless steel, cast iron, ductile iron and carbon steel, the Standard Hydraulic Valve with flange connected design is used as essential part of hydraulic oil transferring pipelines under high pressure. The pressure board and plate of this valve is made of best grade stainless steel or copper. The stem part of this valve is made of abrasion proof steel and its surface is treated with epoxy powder to avoid rust formation. Standard grade NBR or EPDM rubber is used as its sealing medium. Equipped with reinforced rubber gasket, bronze ball and stainless steel or copper made seat, this Standard Hydraulic Valve is preferred for its reliable operation, simple installation method, trouble free replacement process and long working life.