Description
Series: DA/DS Bourdon Tube Pressure Switches
Model: DAW-7033-153-9
Brand: Dwyer, USA
Description:
- DA in Integral Weather – Proof Enclosure, Switch Type (Matl/Hsg Prefix) – Snap Switch, Bourdon Tube Material – Brass, Housing – Flanged with Bottom Connection, Circuit 9-64, SPDT, Range 10-300 psig
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 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 ranges 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); Explosionproof: 8 lb (3.5 kg).
- Agency Approvals: CSA, FM, UL (mercury switch units are not CE approved).
Product Applications:
- Compressors
- Mechanical HVAC or process equipment
- Pump control
