1f41 Bourdon Tube Pressure Switches/Interrupteurs de pression/Dwyer
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Produits»Dwyer»Interrupteurs de pression
 
Bourdon Tube Pressure Switches (Series DA/DS)
Fabricant: Dwyer
 
1cd1

Pressure Ranges to 8000 psi (551.6 bar)


Customers tell us that this is the best pressure switch made. The Mercoid D Series is one of the world's broadest lines of pressure switches. Whatever your application might be, it is most probable it can be fully satisfied with a D Series pressure switch.

The D Series has extremely high sensitivity and great repeatability. The DA Models are equipped with two external adjustments, one for setting high pressure operating point, the other for setting low pressure operating point. Deadband, the difference between high and low setpoints, is adjustable over the full scale. The DS Models are equipped with a single external adjustment for setting operating point only. The deadband is fixed at a factory setting and cannot be altered in the field. For switches choose between the snap action switch, hermetically sealed snap action switch and hermetically sealed mercury switch.

Bourdon Tube Pressure Switches
 

SPECIFICATIONS

Wetted Materials:
Brass, 403 SS, or 316 SS.

Temperature Limit: 180°F (82°C).

Pressure Limit: Maximum pressure of the operating range.

Enclosure Rating: General purpose, weatherproof or explosion-proof.

Repeatability: ±1% of full operating range, ±1.5% on DS-7300 models.

Switch Type: SPST mercury switch, SPDT mercury switch, SPDT snap switch, or SPDT hermetically sealed snap switch. Other circuit types available.

Electrical Rating: See chart on "Ordering" page.

Electrical Connections: Screw terminal.

Conduit Connection: General purpose: 1/2" hole for conduit hub. Weatherproof: 1/2" conduit hub. Explosion-proof: 3/4" female NPT.

Process Connection: General purpose and weatherproof: 1/4" male NPT; 1/2" male NPT on range 15S and 16S. Explosion-proof: 1/2" male NPT and 1/4" female NPT.

Mounting Orientation: Vertical.

Set Point Adjustment: Thumbscrew.

Weight: General purpose: 4 lb (1.8 kg). Weatherproof: 6 lb (2.7 kg). Explosion-proof: 8 lb (3.5 kg).

Deadband: See chart on "Ordering" page.

Agency Approvals: CE, UL, CSA, FM


 

 Ressources
Fichier PDF – requiert Adobe Reader Fiche technique
Fichier PDF – requiert Adobe Reader DA-Mecury Installation & Operation Manual
Fichier PDF – requiert Adobe Reader DA-Snap Switch Installation & Operation Manual
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 Bourdon Tube Pressure Switches
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