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Technical Articles
October 4, 2018

Compact Gauge Guards / Diaphragm Seals / Instrument Isolators Series GGME

 

 

Information:

  • Polypropylene bodies for excellent chemical compatibility and temperatures to 185° F (85° C). The upper half (instrument side) is glass-filled polypropylene; the lower half (process side) is 100% natural, unpigmented virgin polypropylene.
  • Available with or without gauge (dual in PSI and bar). When ordered with gauge, an economical 2″ black steel case with brass connection is standard.
  • Increase product reliability and reduce system downtime caused by failure of instruments not isolated by seals.
  • Compact size makes these isolators ideal for limited space installations.
  • Exceptionally low unit cost – now makes it feasible to protect even moderate priced instruments.
  • Compact size makes these isolators ideal for limited-space installations.
  • Liquid pressures to 200 PSI with ±4% accuracy. Choice of Buna-N or FKM (Viton) seal will handle most applications.
  • Use with gauges, transducers, and pressure switches.
  • Simple to fill and install.
  • Hermetically-sealed uni-body construction – molded body avoids possibility of dangerous leaks.
  • For use with highly aggressive or ultra-pure liquids.
  • Diaphragm safety – If the gauge or instrument fractures or is removed from the guard while the system is pressurized, the diaphragm will automatically seal against leakage to the atmosphere.

Dimensions:

ggme_dimensions.gif

When ordered with gauge, factory supplied gauge face size is 2″.


Pressure Ratings:

Maximum Pressure Ratings

Temperature Liquids
 PSI (Bars)
Gases
 PSI (Bars)      PSI (Bars)
  70 – 100°F (21 – 38°C) 200 (13.8) 100 (6.90)
100 – 185°F (38 – 85°C) 200 (13.8)   30 (2.07)

Maximum Temperature is 185°F (85°C)

 


Specifications and Model Numbers:

 

Type of Service Available Gauge Ranges
PSI  – –  (Bars)

Process
Connection
Diaphragm  Material Gauge Guards
Model Numbers
Pressure or Vacuum Without Gauge Natural Polypropylene Buna-N FKM GGMEB1-PP 
GGMEV1-PP
Vacuum
0-30°Hg — 0-1.01 VAC Natural Polypropylene Buna-N 
FKM
GGMEB000-PP 
GGMEV000-PP
Pressure 0-15 PSI — 0-1.04 (Bars) Natural Polypropylene Buna-N 
FKM
GGMEB015-PP 
GGMEV015-PP
Pressure 0-30 PSI — 0-2.07 (Bars) Natural Polypropylene Buna-N 
FKM
GGMEB030-PP 
GGMEV030-PP
Pressure 0-60 PSI — 0-4.14 (Bars) Natural Polypropylene Buna-N 
FKM
GGMEB060-PP 
GGMEV060-PP
Pressure 0-100 PSI — 0-6.90 (Bars) Natural Polypropylene Buna-N 
FKM
GGMEB100-PP 
GGMEV100-PP
Pressure 0-160 PSI — 0-11.04 (Bars) Natural Polypropylene Buna-N 
FKM
GGMEB160-PP 
GGMEV160-PP
Pressure 0-200 PSI — 0-13.8 (Bars) Natural Polypropylene Buna-N 
FKM
GGMEB200-PP 
GGMEV200-PP

 

Gauge Guards Homepage

 

CAD Files

GGME in STEP format

Helpful Links

.PDF file Click here for .pdf file of Series GGME catalog page.

.PDF file Click here for Installation & Maintenance Instructions.

Main Gauge Guard Page this provides an overview of all True Blue instrument isolators; might be the page you used to click to this one.

Series GGM this is the full-sized gauge guard. In most applications, this larger unit is unecessary, but the fact that it is offered in a variety of plastics — including a plastic diaphragm — makes it better suited for certain applications. In addition, the GGM diaphragm seal is offered with a special acrylic gauge shield, which is essential in harsh chemical environments.

Series GGMU this is the high-purity, zero deadleg gauge guard.