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
PVC Gauge Isolators, Gauge Guards w/out Gauge
Protect and Isolate Pressure Sensing Instruments

  • Modified PTFE Diaphragm Standard, Viton or EPDM Available
  • Diaphragm is Convoluted for Accurate Pressure Transmission.
  • 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 product warranty

PLEASE CLICK ITEM # BELOW TO VIEW ADDITIONAL SPECIFICATIONS & DOWNLOADS

TG-25-PVC
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Item #

Materials

Instrument x Process Conn.

Max PSI

List Price

TG-22TXXX-PVC N/A PVC, PTFE Diaphragm N/A 1/4" Vent x 1/4" Female NPT N/A 250 PSI $87.95
TG-25TXXX-PVC N/A PVC, PTFE Diaphragm N/A 1/4" Vent x 1/2" Female NPT N/A 250 PSI $87.95
TG-22VXXX-PVC N/A PVC, Viton Diaphragm N/A 1/4" Vent x 1/4" Female NPT N/A 250 PSI $89.95
TG-25VXXX-PVC N/A PVC, Viton Diaphragm N/A 1/4" Vent x 1/2" Female NPT N/A 250 PSI $89.95
TG-22EXXX-PVC N/A PVC, EPDM Diaphragm N/A 1/4" Vent x 1/4" Female NPT N/A 250 PSI $89.95
TG-25EXXX-PVC N/A PVC, EPDM Diaphragm N/A 1/4" Vent x 1/2" Female NPT N/A 250 PSI $89.95
TG-55TXXX-PVC N/A PVC, PTFE Diaphragm N/A 1/2" Vent x 1/2" Female NPT N/A 250 PSI $96.95
TG-55VXXX-PVC N/A PVC, Viton Diaphragm N/A 1/2" Vent x 1/2" Female NPT N/A 250 PSI $98.50
TG-55EXXX-PVC N/A PVC, EPDM Diaphragm N/A 1/2" Vent x 1/2" Female NPT N/A 250 PSI $98.50
TG-25STXXX-PVC N/A PVC, PTFE Diaphragm N/A 1/4" Vent X 1/2" Socket N/A 250 PSI $87.95
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