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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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Product
Description
Add to Project
GG050CP23TXL
Range Gauge – 100 psi – PTFE 70/30 Glycerin Filled
GGS050CP52
Plated 15 – 60 psi Pressure Switch – 70/30 Glycerin Filled
GGS050CP52T
Plated 15 – 60 psi Pressure Switch – PTFE – 70/30 Glycerin Filled
GGS050CP57
Plated 40 – 150 psi Pressure Switch – 70/30 Glycerin Filled
GG050C32T
Premium Gauge – 60 psi – PTFE – 70/30 Glycerin Filled
GG050C33T
Premium Gauge – 100 psi – PTFE – 70/30 Glycerin Filled
GG050C33TF
Premium Gauge – 100 psi – PTFE – 150# Flange – 70/30 Glycerin Filled
GG050C35OSS
Premium Gauge – 300 psi – Viton – 316SS Top – 70/30 Glycerin Filled
GG050C24T
Range Gauge – 200 psi – PTFE – 70/30 Glycerin Filled
GG050C0
Gauge
116171867