1. It is widely applied in petrochemical industry , thermal power ,steam etc.pipe systerms.
Applied medium : water , oil , water steam .Temperature:-10℃～120℃
2.Silk female screw structure ensures steady movement and smart operation
3.Wedge disc sealing well
4.Gear worm operation saves labor .
5.simple body shape , good rigidity , low flow resistance
6. Product design follow the national relative standard , satisfying universal requests .
7.parts inside apply first-class wear-resisting copper , high quality stainless steel with errosion-resistance and long use life .