Available in stainless steel or PVC, Model 407 Bladder Pumps provide consistent, accurate, reliable groundwater samples in all applications. Ensuring no air/water contact during operation, pumps are ideal for VOC sampling. Teflon® bladders are ideal for dedication. Inexpensive polyethylene bladders are also available. Bladder Pumps are effective even in angled boreholes, to depths of 500 ft (150 m), and are excellent for low flow groundwater sampling.
High Quality Pumps Providing Representative Samples
Ideal for VOC groundwater sampling
Excellent for low flow purge and sampling
Available in stainless steel or PVC
Durable Teflon bladder
Optional disposable LDPE bladders
Portable or dedicated
® Teflon is a registered trademark of Dupont Corp.
The Model 464 Pump Control Unit manually or automatically regulates the supply of compressed air to Pneumatic Pumps. Pre-set sample modes allow easy operation and up to 99 user-created flow rates can be saved to its memory.
Model 408 Double Valve Pumps are positive displacement gas drive pumps that provide high and low flow groundwater sampling, without the use of a bladder. Representative groundwater samples are produced, ideal for VOC sampling.
