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Gauge & Instrument Guards

Griffco diaphragm gauge guards and instrument isolators are designed to enhance the performance of chemical feed systems. The addition of gauges to the system ensures optimal pressures are maintained. Diaphragm isolators protect instruments against chemical attack. Also known as diaphragm isolators.

Available Sizes

1/4″, 3/8″, and 1/2″ (NPT, BSPT, Socket, Union, Flange)
Gauge Port Size: 1/4″

No Gauge
0 – 160 psi (Standard)

Economy Gauge
Brass Case w/Brass Connection
0 – 60 psi

Mid-Range Gauge
304 SS Gauge Case w/Brass Connection
0 – 100 psi

Premium Gauge
304 SS Gauge Case w/316 SS Connection
(Glycerin Filled)
0 – 200 psi

PVC (Max Temp: 140°F / 60°C)
CPVC (Max Temp: 190°F / 87°C)
Polypropylene (Max Temp: 190°F / 87°C)
PTFE
PVDF (Max Temp: 300°F / 150°C)
316L SS
Alloy 20

Top
Noryl®

O-Ring

Viton®

Connections

Standard: Viton®
Optional: PTFE, Hypalon®, Kalrez®

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GG050S23XL

Range Gauge – 100 psi – Viton – 70/30 Glycerin Filled

GG050S24XL

Range Gauge – 200 psi – Viton – 70/30 Glycerin Filled

GG050S11

Gauge – 160 psi – 70/30 Glycerin Filled

GG050S12

Gauge – 60 psi – 70/30 Glycerin Filled

GG050S12T

Gauge – 60 psi – PTFE – 70/30 Glycerin Filled

GG050S13

Gauge – 100 psi – 70/30 Glycerin Filled

GG050S13T

Gauge – 100 psi – PTFE – 70/30 Glycerin Filled

GG050S14

Gauge – 200 psi – 70/30 Glycerin Filled

GG050S14T

Gauge – 200 psi – PTFE – 70/30 Glycerin Filled

GG050S34HFXLSPECIAL

Flanged – No Gauge – Customer will provide gauge (Wika 4″ Premium Glycerin Filled – Special

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