CLD Low Pressure Diaphragm Pump

The CLD Pneumatic diaphragm metering pump consists of a liquid chamber and an air chamber separated by a diaphragm

The CLD is a pneumatic driven low-pressure diaphragm metering pump designed for use in low pressure chemical injection applications such cooling towers and low-pressure processes where isolation of the chemical is required.

  • Simple design
  • Easy to maintain
  • Intrinsic safety of pneumatic operation
  • Stroke length and stroke rate adjustment
  • High-flow turndown
  • Corrosion resistant construction
  • All 316 SS or TFE wetted parts
  • Ease of installation
Models Diaphragm Size (Inch) Maximum Volume GPH/LPH Maximum Discharge Pressure* Air to Fluid Pressure Strokes Per Minute (SPM) Volume Per Stokes (cc) Standard Diaphragm Material (STD) Maximum Air Supply Maximum Air Usage At Max Volume Approx. shipping Weight
PSI Bar
Simplex PSI Bar PSI Bar SCF/D SCM/D Lbs. Kg.
CLD100-316-TFE  1  0.75/2.8  80 5.52 100.80 1-45 1.0 TFE 100  6.9  20  0.64  7.0  3.1
CLD200-316-TFE  2  10.0/37.8  98 6.76 100.98  1-45 14.0 TFE 100  6.9  255  5.78  9.12  4.1
CLD400-316-TFE  4  45.0/170.3  93 6.41 100.93  1-45 63.0 TFE 100  6.9  1200  27.30  17.25  7.8
CLD100-TFE-TFE  1  0.75/2.8  75 5.17 100.75  1-45 1.0 TFE 100  6.9  20  0.64  6.0  2.7
CLD200-TFE-TFE  2  10.0/37.8  93 6.41 100.93  1-45 14.0 TFE 100  6.9  255  5.78  7.25  3.2
CLD400-TFE-TFE  4  45.0/170.3  90 6.20 100.90  1-45 63.0 TFE 100  6.9  1200  27.30  11.5  5.2

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