Gauge Diaphragm Seal Stainless Steel


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Gauge Diaphragm seals are used for media isolation meaning it enables the guage media to be isolated from the line media but still give an accurate pressure reading. It does this by having a diaphragm in between the line media and the gauge media which flexes with pressure fluctaution to enable it to be transmitted to the guage. It also enables the gauge to do higher meida temperaures as it is isolated. The gauge side should be filled with glycerine or silicone oil taking care to bleed out any air bubbles. The diaphragm itself is actaully a stainless steel below with a PTFE body oring. Ideal for corrosive, contaminated, hot or viscous medias.

Model Size Size (mm) Media Pressure Media Temperature
GAUDS-02 1/4" BSP 8 0 to 40 BAR -20°C to 180°C
GAUDS-03 3/8" BSP 10 0 to 40 BAR -20°C to 180°C
GAUDS-04N 1/2" NPT 15 0 to 40 BAR -20°C to 180°C


Gauge Dampener

Model F D H dM d Hex
GAUDS-02 1/4" BSP 97 75 56 10 24
GAUDS-03 3/8" BSP 97 75 56 10 24
GAUDS-04N 1/2" NPT 97 75 56 10 24

All dimensions in mm unless shown otherwise. 

Size 1/4" to 1/2"
Body 316 Stainless Steel
Function Guage Diaphragm Seal
Connection Male to Female
Factory Accredited CE, ISO 9001, TUV

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