Pressure Indicators

Pneu-Hydro’s pressure indicator offers easy to read evidence of the presence or absence of pneumatic pressure in a control circuit. When pressure rises to approximately 14 psi, a solid green band shows through the window. If the pressure drops below 8 psi, a red and white striped band appears. The colors are reflective for visibility in lighted surroundings. The striped section provides added recognition of system status under dimly lit conditions or for color-blind personnel.

The unit mounts through a 1-3/4” diameter hole and in panels from 17 gauge to 3/16” thick.

The indicator is constructed of 316 stainless steel and satisfies NACE MRO175 standard.

Specifications

Operating pressure ranges

 

Working pressure

250 psig

Proof pressure

500 psig

Cv

.035

Operating temperature ranges

 

Ethylene Propylene seal

-65° to 300°F (-53° to 148°C)

Buna-N seals

-40° to 250°F (-40° to 121°C)

Viton seals

-20° to 450°F (-29° to 232°C)

Ordering Information

1/8 NPT Connection

1/4 NPT Connection

Viton

Buna-N

Ethylene Propylene

Viton

Buna-N

Ethylene Propylene

433774

433774-A

433774-EPDM

433775

433775-A

433775-EPDM

 

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