Pressure and Vacuum Relief Valve, IP67 Aluminum PVRV

Our Pressure and Vacuum Relief Valve provides complete protection for sealed enclosures. This IP67 aluminum PVRV automatically vents overpressure and breaks vacuum to prevent damage to your system.


Technical Parameter


  • Product Type: Two-Way Pressure & Vacuum Relief Valve (PVRV)
  • Models: SYFLC-S10Y / SYFLC-S09
  • Body Material: 6061 Aluminum Alloy (Hardened Surface HV600+)
  • Protection Rating: IP67
  • Flame Retardant Grade: V0
  • Operating Temperature: -40°C to +150°C
  • Pressure Relief Range: 5 – 100 KPA (Tolerance ±3 KPA)
  • Vacuum Relief Range: 5 – 100 KPA (Tolerance ±3 KPA)
  • Installation Torque: 1.0 – 2.0 N·m
  • Certifications: CE, RoHS 2.0
  • Lifespan: ≥10 years

Key Features

  • Dual-Function Protection: Automatically opens to relieve both positive overpressure and negative pressure (vacuum), protecting enclosures from explosion, deformation, or collapse.
  • Automatic Reseating: The valve core automatically closes and reseals after activation, maintaining the system’s IP67 protection and allowing for continued use.
  • Hardened Aluminum Construction: CNC machined from 6061 aluminum alloy with an ultra-hard, anti-corrosion surface treatment (HV600+), offering a lightweight yet durable solution.
  • IP67 Waterproof & Dustproof: When closed, the valve provides a high level of protection against dust and water ingress, ensuring no external contaminants enter the enclosure.
  • Designed for Critical Applications: Ideal for protecting sensitive systems like New Energy Vehicle (NEV) battery packs, large-scale Energy Storage Systems (ESS), power plants, and marine equipment.
  • High Safety Standards: Materials are V0 flame retardant and RoHS 2.0 compliant, ensuring safety and environmental standards are met.

Pressure and Vacuum Relief Valve, IP67 Aluminum PVRV

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