Marquest Scientific, Inc. - PVC Gauge Guards w/out Gauge

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

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Items	TG-22TXXX-PVC PVC Tuff Guard Isolator, 1/4" Vent Fem NPT Instrument x 1/4" Fem NPT Inlet Process, Modified PTFE Diaphragm, No Gauge Installed List Price $87.95 Add To Cart Request Quote	TG-25TXXX-PVC PVC Tuff Guard Isolator, 1/4" Vent Fem NPT Instrument x 1/2" Fem NPT Inlet Process, Modified PTFE Diaphragm, No Gauge Installed List Price $87.95 Add To Cart Request Quote	TG-22VXXX-PVC PVC Tuff Guard Isolator, 1/4" Vent Fem NPT Instrument x 1/4" Fem NPT Inlet Process, Viton Diaphragm, No Gauge Installed List Price $89.95 Add To Cart Request Quote	TG-25VXXX-PVC PVC Tuff Guard Isolator, 1/4" Vent Fem NPT Instrument x 1/2" Fem NPT Inlet Process, Viton Diaphragm, No Gauge Installed List Price $89.95 Add To Cart Request Quote	TG-22EXXX-PVC PVC Tuff Guard Isolator, 1/4" Vent Fem NPT Instrument x 1/4" Fem NPT Inlet Process, EPDM Diaphragm, No Gauge Installed List Price $89.95 Add To Cart Request Quote
Materials	N/A PVC, PTFE Diaphragm	N/A PVC, PTFE Diaphragm	N/A PVC, Viton Diaphragm	N/A PVC, Viton Diaphragm	N/A PVC, EPDM Diaphragm
Instrument x Process Conn.	N/A 1/4" Vent x 1/4" Female NPT	N/A 1/4" Vent x 1/2" Female NPT	N/A 1/4" Vent x 1/4" Female NPT	N/A 1/4" Vent x 1/2" Female NPT	N/A 1/4" Vent x 1/4" Female NPT
Max PSI	N/A 250 PSI

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