Stone carving refers to the art of creating a visual and touchable artistic image with a certain space by using various kinds of carved and engraved stones to reflect social life and express the artist's aesthetic feelings, emotions and ideals.
Common stone carving materials include granite, marble, bluestone, sandstone, etc. Stone is hard and weathering resistant, and is the main material of large-scale memorial sculpture.
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Buried gate valve scope of application
Buried gate valve, the drive can be used manually, worm gear, pneumatic, electric, connection options flange, the structure can be used buried, sealing structure optional soft seal, hard seal, pressure range PN0.1-2.5Mpa , The nominal diameter of DN50-600mm, the material can be cast iron, cast steel, stainless steel. Due to the wide range of valves used, the same valve in different situations and working conditions have different collocation. Buried-type gate valve scope: Buried-type gate valve valve with the overall plastic deformation deformation effect to achieve a good sealing effect, to overcome the general valve seal poor, leakage and rust phenomenon, more effective space-saving installation. It can be widely used as regulating and intercepting device in fluid lines such as tap water, sewage, construction, petroleum, chemical, food, medicine, textile, electricity, shipping, metallurgy and energy system.