Nominal pressure : PN1．6～16MPa，,working temperature: -29～350℃, flammable, explosive, poisonous, toxic fluids, high-temperature heat-conducting oil, ammonia and other media.

Widely used in petrochemical industry, chemical fiber textile, plastic paper, electric power iron and steel, printing and dyeing rubber, natural gas and other gas systems, reliable and safe performance, widely used in ethylene glycol and other industrial fluids. Drive mode: manual、gear、electric、pneumatic, etc.

Structure features

1.       reasonable structure, reliable sealing, double rugged bellows seal design (corrugated pipe + packing) to ensure zero leakage of valve stem. There is no fluid loss, increase safety of equipments. Sealed in compliance with international standards.

2.        the sealing surface welding Co-based alloy, wear resistance, corrosion-resistant, anti-friction performance, long service life

3.       Stem quenched and tempered and surface nitriding treatment, have good corrosion resistance and anti-friction performance; stem lifting Position Indicator, more intuitive