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CLD Series Low Pressure Diaphragm Metering Pump
Brand: Williams Chemical Metering PumpsThe pneumatic diaphragm metering pump consists of a liquid chamber and an air chamber separated by a diaphragm. In the liquid chamber, the suction (inlet) and discharge (outlet) ports have check valves that control the direction of the fluid flow.
A pipe nipple connects the controller to the pump air chamber. In the air chamber, the air/gas power supply from the controller enters and exhausts through the pipe nipple connector.
When the controller exhausts the air/gas supply, the liquid suction pressure and the return spring force the diaphragm backwards. The diaphragm stops when the end of the diaphragm stem, which is attached to the air chamber side of the diaphragm, collides with the end of the stroke adjuster.
Features- Simple design
- Easy to maintain
- Intrinsic safety of pneumatic operation
- Stroke length and stroke rate adjustment
- High flow turndown
- Corrosion resistant construction
- All 316 Stainless Steel or TFE wetted parts
- Ease of installation
- Recommended for discharge pressures below psi:100 (kPa: 689.5, bar: 6.895)
Specifications
Diaphragm Material
- PTFE
Enclosure, Body Material
- 316 Stainless Steel
Flow Rate
- Maximum
Materials of Construction
- Pneumatic Section, Controller, Relay: 316 Stainless Steel
O-Ring Material
- FKM
Operating Temperature
- 316 Stainless Steel, PTFE: 4° to 85° C (40° to 185° F)
Pressure Range
- Discharge Pressure Below psi: 100 (kPa: 689.5, bar: 7)
Wetted Materials
- 316 Stainless Steel
- PTFE