Description
Product Overview
The PRO EDGE Hard Seat Safety Relief Valve is engineered to provide precise pressure regulation for demanding industrial pneumatic applications. Constructed from high‑quality brass, the valve offers excellent corrosion resistance and long‑term durability, ensuring consistent performance even in harsh environments. It features a preset relief setting of 200 psi and a flow capacity of 168 SCFM, making it suitable for a wide range of air‑driven equipment. The compact 2‑inch height design (0.69 × 0.69 × 2 in) allows for easy integration into existing systems, while the 1/4 NPT inlet and NPT outlet threads provide a secure, leak‑free connection. Certified to ASME standards and manufactured in the United States, this valve delivers the reliability and safety required by professional technicians and engineers.
![[Product front view showing all components]](https://www.donutsrus.store/wp-content/uploads/2026/07/7e1ebcde25a843b18f92dd8344426408.jpg)
Usage
This relief valve is ideal for use in a variety of industrial settings, including manufacturing plants, automotive workshops, and any facility that relies on compressed air systems. It excels in applications where precise pressure control is critical, such as air‑powered tools, pneumatic actuators, and blow‑off stations. The valve’s robust brass construction and wide operating temperature range of –65 °F to 400 °F enable it to function reliably in both cold‑storage environments and high‑heat processes. Its yellow‑coded body provides immediate visual identification, helping maintenance personnel quickly locate and service the valve. Whether you are upgrading an existing system or installing a new line, the valve’s straightforward 1/4 NPT connections simplify installation and reduce downtime.
Why Choose Us
Choosing the PRO EDGE Hard Seat Safety Relief Valve means selecting a product backed by rigorous quality assurance and a commitment to customer satisfaction. Each valve undergoes thorough testing to verify its pressure rating, flow capacity, and leak‑free performance before leaving the factory. Our U.S. manufacturing facilities adhere to strict ASME guidelines, guaranteeing that every unit meets or exceeds industry standards. In addition, we provide responsive technical support and a straightforward return policy, ensuring that you receive the assistance you need throughout the product lifecycle. By investing in this valve, you benefit from reduced maintenance costs, extended equipment life, and enhanced safety for your workforce.
Key Features
- Robust brass construction delivers long‑lasting durability and corrosion resistance.
- Preset 200 psi relief setting provides reliable pressure protection for critical equipment.
- High flow capacity of 168 SCFM ensures efficient air release without bottlenecks.
- Compact 2‑inch design fits easily into tight spaces and standard pneumatic panels.
- Dedicated customer support and easy replacement process minimize downtime.
FAQ
What does the 1/4 NPT inlet size mean?
The 1/4 NPT inlet refers to a National Pipe Tapered thread with an outside diameter of 0.540 inches. This standard size allows the valve to connect seamlessly with most pneumatic tubing and fittings used in industrial applications.
Can this valve be used in high‑temperature environments?
Yes. The valve is rated for an operating temperature range from –65 °F up to 400 °F, making it suitable for both cold‑storage and high‑heat processes without compromising performance.
Is the valve compatible with other brands besides Ingersoll Rand?
While the valve is designed as a direct replacement for the Ingersoll Rand 31385693 model, its standard NPT connections make it compatible with a wide range of pneumatic systems from various manufacturers.
How do I verify the valve’s pressure setting?
The valve is preset at 200 psi. For verification, you can use a calibrated pressure gauge to confirm the set point before installation, ensuring it matches your system’s safety requirements.
What warranty does the valve include?
All PRO EDGE Hard Seat Safety Relief Valves come with a one‑year limited warranty covering manufacturing defects, providing peace of mind and confidence in the product’s quality.




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