Pressure/Temperature Sensors

Series TG, TUFF GUARD™ Gauge Guard Isolator Assembly, 1/4" Vented FPT Instrument Port, 1/2" FPT Process Inlet Port, PTFE/FKM Diaphragm, PVC Body, With Wika 212.53 Gauge, 0 - 30 inHg Vacuum

Item #TG-25CH030SB-PVC
  • Provides a compatible, protective barrier between process fluids and instruments
  • Adds system reliability by eliminating instrument failures
  • Stainless steel reinforcement of the instrument connection to prevent fracturing associated with metal to plastic threads - integrally molded into port
  • Integral wrench provisions for field service
  • Diaphragms in modified PTFE, Viton®, EPDM and composite PTFE/FKM for each application
  • Upper/lower chambers in PVC, CPVC, GFPP and PVDF
  • Premium brand instrument options - made in the USA
  • Displacement capacity for up to 4" diameter gauges and large fill volume sensors
  • Self-venting, 1/4" and 1/2" female NPT instrument connection with Viton® O-ring instrument seal
Marquest Scientific TUFF GUARD™ complete line of gauge and instrument isolators are engineered to provide total isolation of all instruments from corrosive and ultra pure fluids while offering a design with the most rugged features in the industry.

TUFF GUARD™ gauge and instrument isolators are ideal for the following markets and applications:

  • Wastewater Treatment
  • Semiconductor Manufacturing
  • Chemical Plants
  • Chemical Feed Systems
  • Food & Beverage
  • Wet Processing
  • Chemical Odor Control
  • PCB Manufacturing
  • Pharmaceutical Processing

Additional Documents:

per: EA
Call for Availability
Accuracy± 2.5% of Span Accuracy
CategoryInstrumentation
Connection Size1/2" Female NPT
Connection TypeVented Female NPT
Diaphragm MaterialPTFE/FKM
Gauge Fill LiquidGlycerin Filled
MaterialPVC Body Gauge Guard/304SS Case/Brass Internals Gauge
Maximum Media Operating Temperature14° F to 140° F
ManufacturerMarquest Scientific
MountLower Mount Gauge
Pressure Rating0 - 30 inHg Vacuum
SeriesTG-SB
Size2-1/2" Dial
Type of productGauge Guard with Gauge Assembly