Inverted pressure balance lubricated plug valve acc. to ANSI is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry, pharmacy, chemical fertilizer, electric power industry etc under nominal pressure of CLASS150-900LBS and working temperature of-29-180°C.

Zhejiang Xuandong Valve has a high precision CNC machine tools and processing center, advanced equipment, sophisticated technology and strict and perfect quality management system, and gathered professional technical elite and high level of science and technology team, make full use of new technology, new technology, new materials to ensure the stability and reliability of products.