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Round Bottom Ceramic Cups

Round Bottom Cup with Neck Top
Round Bottom Neck Top Cups
Soilmoisture Equipment manufacture a range of Round Bottom Ceramic Cups with necks suitable for connecting to tensiometers and other similar equipment for the measurement of soil water potential. The Round Bottom Cup with Tapered Neck Top is available in one size, but in four different pressure and flow castings:
  • 1/2 Bar Standard Flow
  • 1 Bar Standard Flow
  • 1 Bar High Flow
  • 2 Bar High Flow
The Round Bottom Cup with Neck Top is available in three outside diameters and different flow castings, suitable for applications in research and development:
  • 48.26 mm (1.471″) Outside Diameter
    • 1 Bar Standard Flow
    • 1 Bar High Flow
    • 2 Bar Standard Flow
    • 3 Bar Standard Flow
    • 5 Bar Standard Flow
  • 9.525 mm (1.900″) Outside Diameter
    • 1/2 Bar Standard Flow
    • 1 Bar Standard Flow
    • 1 Bar High Flow
  • 54.102 mm (2.375″) Outside Diameter
    • 1 Bar High Flow

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SKU: SEC-13-RB Category: Brand:

Each size is available with a selection of pressures and flow rates:

Air Entry Value Flow Rate Bubbling Pressure (psi) Approximate Porosity (% Vol.) Saturated Hydraulic Conductivity (cm/sec) Maximum Pore Size (µm) Flow Through ¼ Inch Plate (ml/hr/cm2/14.7 Psi)
0.5 Bar Standard 7 to 9 50% 3.11 x 10-5 6.0 180
1 Bar High 19 to 28 45% 8.6 x 10-6 2.5 50
1 Bar Standard 20 to 30 34% 7.56 x 10-7 1.7 5.0
2 Bar Standard 38 to 45 32% 6.30 x 10-7 1.1 4.2
2 Bar High 32 to 42 38% 6.93 x 10-7 1.3 4.6
3 Bar Standard 46 to 70 34% 2.5 x 10-7 0.7 1.6
5 Bar Standard 80 31% 1.21 x 10-7 0.5 0.7

Round Bottom Cup with Tapered Neck Top, 22.225 mm diameter

  • 1/2 Bar Standard Flow
  • 1 Bar Standard Flow
  • 1 Bar High Flow
  • 2 Bar High Flow
Pressure and Flow Length Wall Thickness
13.11.F (0655X01-B0.5M2) 1/2 Bar Standard Flow 69.850 mm 2.540 mm
13.11.1 (0655X01-B01M1) 1 Bar Standard Flow 69.850 mm 2.540 mm
13.11.1H (0655X01-B01M3) 1 Bar High Flow 69.850 mm 2.540 mm
13.11.2H (0655X01-B02M2) 2 Bar High Flow 69.850 mm 2.540 mm

Round Bottom Cup with Neck Top

37.3634 mm diameter

  • 1 Bar Standard Flow
  • 1 Bar High Flow
  • 2 Bar Standard Flow
  • 3 Bar Standard Flow
  • 5 Bar Standard Flow
Pressure and Flow Length Wall Thickness
13.6.1 (0653X06-B01M1) 1 Bar Standard Flow 74.930 mm 2.413 mm
13.6.1H (0653X06-B01M3) 1 Bar High Flow 74.930 mm 2.413 mm
13.6.2H (0653X06-B02M2) 2 Bar Standard Flow 74.930 mm 2.413 mm
13.6.3 (0653X06-B03M1) 3 Bar Standard Flow 74.930 mm 2.413 mm
13.6.5 (0653X06-B05M1) 5 Bar Standard Flow 74.930 mm 2.413 mm

48.26 mm diameter

  • 1/2 Bar Standard Flow
  • 1 Bar Standard Flow
  • 1 Bar High Flow
Pressure and Flow Length Wall Thickness
13.1.F (0653X01-B0.5M2) 1/2 Bar Standard Flow 60.452 mm 2.388 mm
13.1.1H (0653X01-B01M3) 1 Bar Standard Flow 60.452 mm 2.388 mm
13.1.2H (0653X01-B02M2) 1 Bar High Flow 60.452 mm 2.388 mm
13.2.F (0653X02-B0.5M2) 1/2 Bar Standard Flow 60.452 mm 3.962 mm
13.2.1H (0653X02-B01M3) 1 Bar Standard Flow 60.452 mm 3.962 mm
13.2.2H (0653X02-B02M2) 1 Bar High Flow 60.452 mm 3.962 mm
13.7.1H (0653X07-B01M3) 1 Bar High Flow 254.000 mm 3.962 mm

9.525 mm diameter

  • 1 Bar High Flow
Pressure and Flow Length Wall Thickness
13.5.1H (0653X05-B01M3) 1 Bar High Flow 54.102 mm 3.175 mm

Support Documents

Porous Ceramics: Applications Application Notes Download
Porous Ceramics: Physical Properties Brochure Download
Porous Ceramics Information: Our Mixes Brochure Download
Porous Ceramics: Importance of Porous Materials How To Articles Download
Porous Ceramics: General information Brochure Download

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