Circle Seal Popoff Valve 1/8 inch Male MNPT - 5 PSI Cracking Pressure - Nickel Plated Brass

• System overpressure protection
• Storage tanks
• Freon® recovery systems
• Medical equipment
• Refrigeration & heating equipment
• Measuring & dispensing pumps
• Communications equipment
• Process control instruments
• R&D pilot plants
• Vacuum pump safety

• Pop off pressure relief valve
• Factory preset
• Accurate set pressure
• 100% seat leakage tested
• Zero leakage

Note: Proper filtration is recommended to prevent damage to sealing surface.

• Size: 1/8 in. MNPT
• Hex: 1/2 in.
• Body Material: Nickel-plated brass
• Cap Material: Brass
• O-Ring Material: Viton®
• Cracking Pressure: 5 PSIG
• Cracking Pressure Tolerance: +/- 5%
• Operating Pressure: 0.5 to 150 PSIG (0 to 10 bar)
• Temperature Range: −20° F to 400° F (−29° C to +204° C)
• Proof Pressure: 400 PSIG (28 bar)
• Burst Pressure: 500 PSIG (34 bar)

500 Series Flow Charts

500 Series Dimensions

For Your Safety: It is solely the responsibility of the system designer and user to select products suitable for their specific application requirements and to ensure proper installation, operation, and maintenance of these products. Material compatibility, product ratings and application details should be considered in the selection. Improper selection or use of products described herein can cause personal injury or property damage.