HH-class wellhead equipment and gas production tree


Reference standards: API 6A, ISO10423, GB/T22513,

NACE 0175


This product is suitable for use in working conditions with high content of corrosive media such as hydrogen sulfide.

The materials used in the device are all special corrosion-resistant materials.


Product Features

Applied in Puguang, Yuanba, Uzbekistan, Kazakhstan and other regions in Sichuan

Working pressure up to 105MPa, HH-NL, PU, PSL3G, PR2

H2S content up to 65%, CO2 content up to 35%

All-metal sealing device is suitable for high pressure resistance, corrosion resistance, and harsh working conditions


Applied in Puguang, Yuanba, Sichuan, Uzbekistan, Kazakhstan and other regions


105MPa Working pressure up to 105MPa, HH-NL,PU,PSL3G,PR2
65% H2S content up to 65%
35% CO2 content up to 35%