Marquest Scientific, Inc.
Marquest Scientific, Inc.
2950 Airway Avenue, Bldg C-5
Costa Mesa, California U.S.A.
Tel: (714) 491-9191
Toll Free: (866) 452-2349
Fax: (714) 491-9199
Email: sales@marquestscientific.com
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Series TG TUFF GUARD™ Gauge Isolators, (Also known as Gauge Guards, Diaphragm Seals)
PVC, CPVC, & PP, & PVDF Gauge Guards w/ Wika 213.53 2.5" Dia. Stainless Case - Brass Internals, Glycerin Filled Gauge Case
Assembly Internals Aqueous Glycerin Filled. Silicone Oil, Mineral Oil, Ethylene Glycol, or Halocarbon Fills available. Please contact us for ordering info.

  • Gauge Installed is U.S. Made Wika 213.53 Glycerin Filled, Stainless Case, Brass Internals. Accuracy is +-2.5% of span
  • Modified PTFE Diaphragm Standard, Viton or EPDM Available
  • Diaphragm is Convoluted for Accurate Pressure Transmission, Lower Spring Rate.
  • Stainless steel reinforced instrument connection. Integrally molded. "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 limited warranty


PLEASE CLICK ITEM # BELOW TO VIEW ADDITIONAL SPECIFICATIONS & DOWNLOADS!

Product Image
Unit of Measure
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Item #

Inlet Connection

Materials

Installed Gauge

List Price

TG-25SE160SB-PVC N/A 1/2" Socket N/A PVC, EPDM Diaphragm N/A 0-160 PSI, SS, Brass $200.95
TG-25SE200SB-PVC N/A 1/2" Socket N/A PVC, EPDM Diaphragm N/A 0-200 PSI, SS, Brass $200.95
TG-22ST030SB-CPV N/A 1/4" Socket N/A CPVC, PTFE Diaphragm N/A 0-30 PSI, SS, Brass $264.50
TG-22ST060SB-CPV N/A 1/4" Socket N/A CPVC, PTFE Diaphragm N/A 0-60 PSI, SS, Brass $264.50
TG-22ST100SB-CPV N/A 1/4" Socket N/A CPVC, PTFE Diaphragm N/A 0-100 PSI, SS, Brass $264.50
TG-22ST160SB-CPV N/A 1/4" Socket N/A CPVC, PTFE Diaphragm N/A 0-160 PSI, SS, Brass $264.50
TG-22ST200SB-CPV N/A 1/4" Socket N/A CPVC, PTFE Diaphragm N/A 0-200 PSI, SS, Brass $264.50
TG-25ST030SB-CPV N/A 1/2" Socket N/A CPVC, PTFE Diaphragm N/A 0-30 PSI, SS, Brass $264.50
TG-25ST100SB-CPV N/A 1/2" Socket N/A CPVC, PTFE Diaphragm N/A 0-100 PSI, SS, Brass $264.50
TG-25ST160SB-CPV N/A 1/2" Socket N/A CPVC, PTFE Diaphragm N/A 0-160 PSI, SS, Brass $264.50
TG-25ST200SB-CPV N/A 1/2" Socket N/A CPVC, PTFE Diaphragm N/A 0-200 PSI, SS, Brass $264.50
TG-22SVH030SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-30 in-Hg, SS, Brass $301.95
TG-22SV015SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-15 PSI, SS, Brass $269.95
TG-22SV030SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-30 PSI, SS, Brass $269.95
TG-22SV060SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-60 PSI, SS, Brass $269.95
TG-22SV100SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-100 PSI, SS, Brass $269.95
TG-22SV160SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-160 PSI, SS, Brass $269.95
TG-22SV200SB-CPV N/A 1/4" Socket N/A CPVC, Viton Diaphragm N/A 0-200 PSI, SS, Brass $269.95
TG-25SVH030SB-CPV N/A 1/2" Socket N/A CPVC, Viton Diaphragm N/A 0-30 in-Hg, SS, Brass $301.95
TG-25SV015SB-CPV N/A 1/2" Socket N/A CPVC, Viton Diaphragm N/A 0-15 PSI, SS, Brass $269.95
TG-25SV030SB-CPV N/A 1/2" Socket N/A CPVC, Viton Diaphragm N/A 0-30 PSI, SS, Brass $269.95
TG-25SV060SB-CPV N/A 1/2" Socket N/A CPVC, Viton Diaphragm N/A 0-60 PSI, SS, Brass $269.95
TG-25SV100SB-CPV N/A 1/2" Socket N/A CPVC, Viton Diaphragm N/A 0-100 PSI, SS, Brass $269.95
TG-25SV160SB-CPV N/A 1/2" Socket N/A CPVC, Viton Diaphragm N/A 0-160 PSI, SS, Brass $269.95
TG-22SEH030SB-CPV N/A 1/4" Socket N/A CPVC, EPDM Diaphragm N/A 0-30 in-Hg, SS, Brass $301.95
Unit of Measure
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