3/4″ Brass Soft Seat Safety Relief Valve – 200 PSI, 786 SCFM
$59.95 on Amazon.com (as of October 18, 2026, 11:11 AM EST) View details ↗
Built for reliability and precision, this **3/4″ NPT Brass Soft Seat Safety Pressure Relief Valve** from **PRO-EDGE Industrial Pneumatics** is engineered to safeguard unfired pressure vessels in demanding industrial applications. Preset at **200 PSI**, it delivers a **high flow rate of 786 SCFM**, ensuring rapid pressure relief when needed. The soft seat design—typically featuring elastomer materials like Silicone or Viton—provides a tight seal to prevent leaks, while the brass construction ensures durability in harsh environments.
Made in the USA, this valve operates efficiently across a wide temperature range of **-65°F to 400°F**, making it suitable for extreme conditions. The **3/4″ NPT thread** (with an outside diameter of **1.050″**) ensures secure, leak-proof connections, and while this model is preset, other PSI and thread sizes are available upon request. Ideal for applications requiring consistent, no-fail protection, this valve meets rigorous industrial standards for safety and performance.
| Pressure Setting | 200 PSI (preset) |
|---|---|
| Flow Rate (SCFM) | 786 |
| Thread Size | 3/4″ NPT (1.050″ outside diameter) |
| Material | Brass (body) with elastomer soft seat (Silicone/Viton-compatible) |
| Operating Temperature Range | -65°F to 400°F |
| Compatibility | Unfired pressure vessels |






