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  • Universal Double Poppet Safety Valve - Male

Maximum Safety in a double-poppet safety valve with two independent seals. The safest safety valve. Only Universal uses an independent shear section for easy replacement. No need to remove the top poppet as with competitive products. Also, no need to buy an expensive replacement poppet top. This reduces the chance of fire and contamination. This unique three piece design allows for two independent seals which increases safety and reduces future labor and replacement costs.


Maximum safety in a double-poppet safety valve with two independent seals.


  • Pressure relief (upper poppet) to prevent pressure build-up
  • Both poppet and seats are completely independent of the shear section, so when sheared the valve assures a 100% liquid tight seal
  • The single link design provides ease of operation and reduced maintenance
  • An air test port allows line testing without breaking the integrity of the line
  • Raised bosses provide secure anchoring
  • Optional model 522DP with 2" external male threads for easy connection to secondary containment piping


  • Zinc-plated cast iron body and top
  • Stainless steel spring, shaft, and reset nut
  • Buna-N seal

Universal Double Poppet Safety Valve - Male

  • Brand: Universal
  • Product Code: 521DP-RM-15
  • Availability: In Stock
  • $182.27

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