The Model 408 Double Valve Pumps are positive displacement, gas drive pumps providing high quality, consistent samples, and excellent VOC (Volatile Organic Compound) sample results. Pumps available in stainless steel 5/8" diameter, and in either stainless steel or PVC 1.66" diameter. Portable or dedicated versions available. Can be fitted with packers to control groundwater flow and limit purge requirements. Easily disassembled for decontamination in minutes, without any tools.
Bladders ensure no air/water contact during operation, providing representative groundwater samples and excellent VOC sample results. Integra® Bladder Pumps are also EPA approved for low flow groundwater sampling.
The Model 466 Electronic Control
Unit regulates the supply of compressed gas to pneumatic pumps. Simple pre-set sample modes allow easy operation. Low or high flow modes can be chosen and fine-tuned to your desired sampling rate.
