Technical specifications, material options, flow characteristics and installation guidelines for the ZZY series self‑actuated pressure control valve.
The ZZY series self‑actuated pressure control valve uses the energy of the controlled medium to drive the actuator, allowing precise pressure regulation without external power. It is suitable for gas, liquid and steam applications where pressure reduction, stabilization or relief is required.
The document provides standard specifications, material choices, flow coefficients, connection standards and detailed installation instructions, helping users select the appropriate valve size, pressure rating and execution type for their process. This manual is written in Chinese.