Barksdale

UNS-PA or PP (Formerly Series BLS-7)

  • Convenient side mount
  • Compact size for easy installation
  • Ideal for small tanks and vessels
  • Durable yet economical
  • Broad media compatibility
  • Hermetically sealed reed switches
  • Polyamid (Nylon) or Polypropylene Wetted Parts
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Barksdale's UNS-PA/PP family of level solutions are ideal for applications requiring a side-mounted switch. With their compact design, they are suitable for use in small tanks and vessels, as well as larger tanks where top mounting is not an option. A choice of polyamid (nylon) or polypropylene wetted parts allows for broad media compatibility and assures trouble-free operation over a wide range of media temperatures. Switch polarity can be changed from normally open to normally closed by simply rotating the assembly 180 degrees. For applications requiring a durable yet economical side-mounted level switch, the UNS-PA/PP is the solution.

Specifications

General Specifications*

Switch Rating: 230 VAC / 3.0 A / 60 VA/W
Switch Configuration*: Normally open or normally closed; switch can be changed by inverting the assembly 180°
Wetted Parts: Nylon (Blue – PA) or Polypropylene (Red – PP)
Electrical Connection: 1 meter, PVC cable length; 2-conductor, Max 2 x 0.34mm2 (22 awg)
Mounting Element:
External Type:
Internal Type:
1/2” NPT thread
Threaded with jam nut for 5/8” diameter hole (M16x2 metric HD) with silicon gasket
Min. Fluid Specific Gravity: 0.7 g/cm3 – Nylon 0.65 g/cm3 – Polypropylene
Protection Class: IP54
Approvals:
UL/CSA:
PENDING
Max. Operating Temperature:
Nylon Versions:
Polypropylene Versions:
-4 to +248°F (-20 to+120°C)
-4 to +194°F (-20 to +90°C)
Operating Pressure: 70 psig @ 70°F (5 bar at 21°C)
Mounting Position: Horizontal
Max. Starting Torque: 23.6 in/lbs (external mount)
Weight: Approx. 40 grams (1.4 oz.)

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