Groundwater Samplers

  • The Solinst 407 Bladder Pump has a durable PTFE bladder ideal for dedication, and ensures no air/water contact during groundwater sampling. Inexpensive, disposable LDPE bladders are also available for short term applications.

  • The 408 Double Valve Pump (DVP) is a gas drive pump suitable for low flow and medium flow applications of almost any depth and narrow diameters. It is available in 316 stainless steel in 1.66” or 5/8” diameters (42 mm or 16 mm).

  • The 464 Electronic Control Unit regulates the supply of compressed gas to pneumatic Bladder Pumps and Double Valve Pumps. It uses 4 AA batteries and provides 125 psi (250 psi unit also available). Fully automatic preset sample mode options, and up to 99 unique user-created flow rates can be saved. The Controller can also be operated manually, and without batteries.

  • The 410 Peristaltic Pump operates to the suction lift limit, allowing vacuum pumping or pressure delivery of liquids or gases. It is ideal for vapor or water sampling from shallow wells and surface water. The Pump has reversible flow, a variable pumping rate and allows the use of either 3/8″ or 5/8″ (10 mm or 16 mm) silicone tubing. The power cable clips to any 12 volt DC supply. It can deliver from 40 ml/min to almost 3.5 liters/min. The pump is water resistant, very compact and simple to use, with a handle and one easy-access control.

  • The 425 Discrete Interval Sampler is excellent for obtaining no purge groundwater samples from below product layers, within product layers, and for sampling at discrete depths in a well. It is pressurized with a hand pump before entering the well. No water flows through the sampler on the way down the well. When the pressure is released, the sampler fills directly from the sampling zone.

  •  The 404 Inertial Pump is ideal for dedication. The pump includes a simple footvalve and length of polyethylene tubing, which is very inexpensive. Sampling to depths of 100 ft (30 m) can be performed by hand. The Inertial Pump is suitable for purging, sampling and developing wells. It easily handles heavily

404 Inertial Pump Operation
408 Double Valve Pump (DVP)
410-PersistalticPump