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

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• EPDM Diaphragm
• PVC Material meets FDA, USDA, and USDA 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