Universal pilot operated safety relief valve: the universal regulating pilot operated safety relief valve 3900 type valve design is adopted for the 3900 valve, which enjoys many obvious characteristics and advantages, like easy maintenance, high reliability and flexibility, high operation efficiency and outstanding performance.

Technical parameters

Inlet dimension: 1" to 10" flange
Outlet dimension: 2" to 10" flange
Nozzle dimension: 14 kinds, D-T
Pressure range: 15psig to 3750psig (689kPa to 36956kPa)
Temperature range: -40°F to 505°F (- 40°C to 263°C )
Certification and certificates: ASE Standard Volumes III and VIII