Marquest Scientific Tuff Guard Gauge Isolators

Products

Pure Water, Institutional & Lab Piping

Marquest Scientific’s new line of gauge and instrument isolators are engineered to provide total protection and isolation of corrosive & ultra pure fluids while offering a design with the most rugged features in the industry. Stainless steel reinforcement of the instrument connection to prevent fracturing associated with metal to plastic threads. This stainless steel reinforcing component is integrally molded into the Upper Chamber to completely surround the full length of the female thread and is for all practical purposes “unbreakable”.

• Available in PVC, CPVC, Polypropylene, & PVDF.
• Diaphragms in PTFE, Teflon, Viton and EPDM
• Connection Sizes: 1/4″ x 1/2″, 1/4″ x 1/4″, 1/2″ x 1/2″
• Instrument x Process Female, NPT/BSP Connections
• Solvent Cement Socket Process Joint

• 250 psi rating for PVC & CPVC, 170 psi for PP, and 250 psi for PVDF
• PVC, CPVC available with Solvent Socket Connection, PVDF available with metric fusion sockets.
• Standard Instrument Connection is 1/4″ Female NPT. 1/2″ Female NPT available “TG-55”

GAUGE RANGE	1/4" FEMALE NPT INLET	1/2" FEMALE NPT INLET
PVC TEFLON DIAPHRAGM
No Gauge	TG-22T-PVC	TG-25T-PVC
0-15psi	TG-22T0155B-PVC	TG-25T0155B-PVC
0-30psi	TG-22T0305B-PVC	TG-25T030SB-PVC
0-60psi	TG-22T0605B-PVC	TG-25T0605B-PVC
0-100psi	TG-22T1005B-PVC	TG-25T1005B-PVC
0-160psi	TG-22T1605B-PVC	TG-25T1605B-PVC
0-200psi	TG-22T2005B-PVC	TG-25T2005B-PVC
0-300psi	TG-22T3005B-PVC	TG-25T3005B-PVC
CPVC TEFLON DIAPHRAGM
No Gauge	TG-22T-CPV	TG-25T-CPV
0-15psi	TG-22T0155B-CPV	TG-25T0155B-CPV
0-30psi	TG-22T0305B-CPV	TG-25T0305B-CPV
0-60psi	TG-22T0605B-CPV	TG-25T0605B-CPV
0-100si	TG-22T1005B-CPV	TG-25T1005B-CPV
0-160psi	TG-22T1605B-CPV	TG-25T1605B-CPV
0-200psi	TG-22T2005B-CPV	TG-25T2005B-CPV
0-300psi	TG-22T3005B-CPV	TG-25T3005B-CPV
POLYPROPYLENE. TEFLON DIAPHRAGM
No Gauge	TG-22T-PPR	TG-25T-PPR
0-15psi	TG-22T0155B-PPR	TG-25T0155B-PPR
0-30psi	TG-22T030SB-PPR	TG-25T030SB-PPR
0-60psi	TG-22T0605B-PPR	TG-25T0605B-PPR
0-100psi	TG-22T1005B-PPR	TG-25T1005B-PPR
0-160psi	TG-22T1605B-PPR	TG-25T1605B-PPR
0-200psi	TG-22T200SB-PPR	TG-25T2005B-PPR
0-300psi	TG-22T3005B-PPR	TG-25T3005B-PPR
PVDF TEFLON DIAPHRAGM
No Gauge	TG-22T-PVD	TG-25T-PVD
0-15psi	TG-22T015SB-PVD	TG-25T0155B-PVD
0-30psi	TG-22T030SB-PVD	TG-25T030SB-PVD
0-60psi	TG-22T060SB-PVD	TG-25T0605B-PVD
0-100psi	TG-22T1005B-PVD	TG-25T1005B-PVD
0-160psi	TG-22T160SB-PVD	TG-25T1605B-PVD
0-200psi	TG-22T200SB-PVD	TG-25T200SB-PVD
0-300psi	TG-22T3005B-PVD	TG-25T3005B-PVD