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PVDF TUFF GUARD™ Gauge Isolators (Also known as Gauge Guards, Diaphragm Seals)
Viton® Diaphragm, 1/4" Vent (Viton® O-Ring) Instrument Fem NPT x 1/4" Fem NPT Inlet Connection
Protects and Isolates Pressure Sensing Instruments

  • Viton® Diaphragm
  • PVDF Material meets FDA, USDA, and USP standards
  • Diaphragm is Convoluted for Accurate Pressure Transmission (Lower Spring Rate)
  • Stainless steel reinforced instrument connection. Integrally molded into plastic. "Unbreakable!"
  • Reinforced process connection with compressive spoke ribs to transfer the tensile stress into compression.
  • Wall thickness meet or exceed ANSI Schedule 120
  • Sufficient displacement to handle the required volumetric displacement of all instrument sizes and pressure ranges
  • Self Venting Internal Shape for "Easy Filling"
  • Fill/Bleed port provision, reinforced through upper chamber to allow for threaded connections in vacuum fill processing
  • Integral wrench provisions for field service and maintenance. Diaphragm is Replaceable
  • Low Profile Design eliminates Dead Volume
  • 3 year product warranty


N/A PVDF, Viton Diaphragm

Instrument x Process Conn.

N/A 1/2" Vent x 1/2" Female NPT


N/A 300 psi

Shipping Note

N/A We will let you know the shipping charges once we receive the order.
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