A48Y Full Open Safety Valve with Wrench Spring

A48Y is suitable for equipment and pipelines handling steam, air, and other mediums with operating temperatures of ≤350℃. A44Y is used for equipment or pipelines handling air, oil, and other mediums with operating temperatures of ≤300℃, serving as an overpressure protection device.

Flanged connections, standard up to PN≤64MPa, follow JB/T-94 Series 1. Above PN≥6.4MPa, adhere to JB/T-94 Series 2 standard.