meibiao gate valve in sale

American standard Gate Valve 

flange connection API American standard cast steel Gate valve is suitable for pipelines with ANSI Class 150～2500 and working temperature less than 600℃, such as oil, chemical and thermal power plants, to cut off or connect the pipeline medium. 
Applicable media: water, oil, steam, etc. 

Operation modes are: manual, gear transmission, electric, pneumatic, etc.

Product structure features

1. Products are designed and manufactured according to API standards, with reliable sealing and excellent performance, and can be used with imported equipment.
2.600Lb or more gate and valve seat seals are made of stellite cobalt-based cemented carbide by surfacing welding, which is wear-resistant, high temperature-resistant, corrosion-resistant, scratch-resistant and has long service life. 
3. The valve stem has good corrosion resistance and scratch resistance after quenching and tempering and surface nitriding treatment. 
4. Wedge-type elastic gate structure is adopted, and rolling bearings are arranged in medium and large caliber, so that opening and closing are easy. 
5. The valve body has a complete variety of materials, and the packing and gasket are reasonably selected according to actual working conditions or user requirements, which can be applied to various working conditions of pressure, temperature and medium.
6.1500LB, 2500LB middle cavity adopts pressure self-tightening sealing structure. The sealing performance increases with the increase of internal pressure, and the reliability is high. 7. The reverse seal is made of stainless steel threaded seal seat or austenitic stainless steel surfacing on the body. The reverse seal is reliable, and the replacement and maintenance of packing can be carried out without stopping the machine, which is convenient and fast and does not affect the operation of the system.