Dixon SV30HD 1/2 in. Brass Heavy Duty, High Capacity Safety Pop-Off Valve 30 PSI

The Dixon SV30HD Heavy Duty, High Capacity Safety Pop-Off Valve is designed to protect compressors, compressed air systems, and un-fired pressure vessels from overpressure by venting excess air automatically. Constructed from all brass with a stainless steel ball and soft seat, it provides reliable operation up to 400 °F (204 °C). With a preset 30 PSI pressure setting and 1/2 in. male NPT connection, it supports flow rates up to 73 SCFM. Certified to ASME, National Board, and CSA B51-03 standards, it delivers dependable safety in heavy-duty industrial pneumatic applications.

Features

• Automatically vents excess air to prevent overpressure.
• Durable all-brass construction with stainless steel ball and soft seat.
• Operates reliably up to 400 °F (204 °C).
• Factory preset 30 PSI opening pressure for system protection.
• Flow capacity up to 73 SCFM for high-capacity applications.
• Certified to ASME, National Board, and CSA B51-03 standards.

Specifications

• Connection: 1/2 in. Male NPT
• Pressure Setting: 30 PSI
• Flow Capacity: Approximately 73 SCFM
• Temperature Range: Up to 400 °F (204 °C)
• Material: Brass body with stainless steel ball and soft seat
• Weight: 1.3 lb
• Standards: ASME, National Board, CSA B51-03 Certified
• Application: Heavy-duty industrial pneumatic overpressure protection