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Product Feature :
1.This product has logical structure,reliable seal,excellent performance and nice design.2.The seal surface is build-up welding with Co hard alloy,which is attrition-resistant,corrosion-resistant and good friction-resistant.3.The stem quenched and tempered,and its surface is treated by nitriding treatment, thus it has good corrosion-resistant and friction-resistant.4.It has double seal capability,thus is more reliable.5.The stem may show the position of lift, thus it is clearer.6.The part material,flange and butt weld and dimension may be selected according to current operating conditions and users'requirement,so that meeting the requirement of various engineering.7.Suitable temp:-20°C-350°C.8.Suitable medium:water,steam,oil.
Product Specification / Models :
Structure formation:BB-BG-OS&Y.Driving maner:Hand-operated/Pneumatic.Design standard:DIN3356.Face to face:DIN3202.Flange ends:DIN2543-2545.
Application :
petroleum industry,chemical industry,pharmacy industry,electric power industry etc.
