Size：1"- 8".
Class：150 lb -2500 lb.
Temperature：+ 520 ° C.
Code：ASME SECTION I.
Features
The back pressure adjusting system utilizes the flowing steam to build and adjust back pressure, to ensure that lowdown is not more than 4% of set pressure.
Nozzle is welded with body, to make connection stable when it's serviced in the condition of high temperature and high pressure.
Connection of inlet and outlet is flange type, to make installation and maintenance easy.
Perfect guide design provides well alignment, to ensure that the operation of valve is agile and stable.
The selected materials are of high performance, which can be used in high temperature condition.
The nozzle and disc is faced with satellite, and lapped precisely.
Spring is produced through excellent technology, and tested under simulative service condition.
