Bladder Pumps

Geotech Portable Bladder Pumps

Geotech's portable bladder pumps were designed with input from field technicians who actually do the sampling! Single turn release heads and quick change bladders have been incorporated for quick in-the-field bladder changes and easy decontamination. Custom hose barbs allow the pump to be suspended without the need for tubing clamps.

• Constructed of 316 Stainless Steel
  For unsurpassed durability and truly
  representative samples
• Portable turnkey systems available
  Everything you need to quickly and efficiently sample your site
• Single turn release housings
  No special tools or training required to service
  the pump
• Quick-change bladder configuration
  Bladders can be easily exchanged without tools
  by sliding back the Teflon® collars
• Extra bladders are readily available
  Available in Teflon® and Polyethylene
  (1.66" pump only)
• Bonded tubing
  In Polyethylene and Teflon® lined Polyethylene
  by the foot or by the roll
• Compatible
  with the GeoControl Pro & Geocontroller II
  Logic Units

Geotech Portable Bladder Pump Specifications
Geotech Portable Bladder Pump Manual

Geotech Bladder Pumps

Together with the USGS, Geotech designed the
original bladder pump for groundwater quality and pollution monitoring. They can pump to the surface from as deep as 1000 feet with minimal agitation for the best representative samples. True low flow capability for less
agitation

• Proprietary resin grade virgin PTFE bladder
  for long life
• Constructed of #316 SS for durability
• Economical PVC models are available
• Dedicated or portable turnkey systems
• Designed for wells as small as .75"
• Optional screened intake extends bladder life
• Optional Drop-Tube assembly available for sampling from greater depths
• Limited lifetime warranty on dedicated
  stainless steel systems

Geotech Bladder Pump Specifications
Geotech Bladder Pump Manual

Marschalk Aquarius II Bladder Pumps

The Marschalk Aquarius II Bladder Pumps have a long track record for reliability and versatility in the field. The Aquarius II is an excellent choice for low-flow purging and sampling.

• Constructed of #316 stainless steel
• Unique bladder support structure maximizes efficiency and bladder life
• Field serviceable bladder
• Drop tube and stand-off intake options available
• Dedicated or portable turnkey systems
• Optional screened intake extends bladder life
• Compatible with both Marschalk and Geotech controllers

Marschalk Aquarius II Bladder Pump Specifications
Marschalk Aquarius II Bladder Pump Manual

Geocontroller 2 with optional draw-down control for low flow sampling

Geotech Geocontroller 2

Geotech’s Geocontroller 2 utilizes advanced electronic logic to control both high rate purging and gentle low
flow sampling. Simple to use, accurate microprocessor controlled on/off timers are utilized to recreate expert techniques for low-flow sampling. The Geocontroller 2 high-pressure solenoid activated valve delivers even in the deepest sampling applications.

The Geocontroller 2 can be used with any bladder pump system with the use of simple quick-connect adapters.

• Microprocessor controlled
• Operates on 115V AC or 12V DC
• Rugged water tight case
• High pressure operation to 300 psi
• Low flow sampling
• Built-in pressure regulator and gauge
• High accuracy timers
• Adjustable fill rate control
• Simple to use
• Designed for trouble free operation
• Includes in line water trap
• Low flow sampling draw-down option for
  Geotech bladder pump systems

Geotech Geocontroller 2 Specifications
Geotech Geocontroller 2 Manual

geocontrol PRO™ with optional carrying case

geocontrol PRO™ with optional draw-down
control for low flow sampling

Geotech geocontrol PRO™

The geocontrol PRO™ is the newest addition to Geotech’s long tradition of exceptional quality controls
and bladder pumps.
The ultra reliable mini-compressor inside allows you to sample from depths to 180 feet! No more lugging heavy, dirty, and noisy compressors into the field or those dangerous nitrogen cylinders. The geocontrol PRO saves you time, saves your back and saves you money!

• Compact and Portable – Can be shipped or back packed anywhere, controller weighs 8 pounds!
• Controls all portable bladder pumps, dedicated bladder pumps, and most air lift pumps on the market today.
• Built-in high performance air compressor –
  Allows sampling from depths of 180 feet.
• Operates from 12V DC car battery –
  Ask about our portable rechargeable battery.
• Push/Pull tubing fitting for easy tubing change
  Bonded tubing in polyethylene and Teflon® lined polyethylene available by the foot or by the roll.
• Ask about our complete line of low flow sampling kits – Including water quality meters and flow cells.
• Optional AC Adapter available
  

Geotech geocontrol PRO Specifications
Geotech geocontrol PRO Manual

Marschalk 59000 & 59500
Pump Controllers

The Marschalk 59000 and 59500 controllers are the latest addition to the Geotech line of innovative sampling
products. Designed specifically for pneumatically operated pumps, both controllers offer features
necessary for success in the field, and a low submergence option is available for the 59000.

• Low flow sampling for all bladder pumps.
  Consistent, uniform flow rates to <25 mis/min.
• Develop, purge, and sample a well without
  modifying or removing the pump.
• Pump low yield wells to within 2-3 inches of
  the bottom.
• Automatic operation – solid state timers
  provide an unmatched degree of precision and
  accuracy for setting and maintaining set cycle
  times, whether in seconds, minutes, or hours.
• Model 59500 Standard Submergence, 2 Cycle
  version, also available.
• Highest quality components – extensively
  field tested for over 20 years in hundreds of
  applications worldwide.
• Weatherized construction, with O-ring seal for
  protection in adverse environments.
• All connections for air lines and power are
  located on the outside of the enclosure to
  enable operation with the cover closed.

Marschalk Pump Controllers Specifications
Marschalk Pump Controllers Manual

Geosmart Dedicated Bladder Pump Sampling Systems

Custom manufactured to your specifications, pumps are secured in place with your choice of well caps and tubing. Geosmart pumping systems save you installation time and virtually eliminate the potential of cross contamination as compared to portable systems. Consider the cost of routine equipment blanks, decontamination time, wear and tear on your equipment and then decide if Geosmart is right for you.

Why dedicated Geosmart Systems?

• Installs in 10 minutes or less
  Systems are cut to length, pre-assembled and individually packaged for easy installation
• More representative data
  Eliminates the risk of cross contamination and is
  an EPA approved method for VOC collection
• Saves time!
  No need to decontaminate since you are not
  moving pumps from well to well
• Low flow sample rates

Customize your Geosmart system to your application

• Well caps for a variety of applications and budgets. Custom well cap and fitting options available upon request.
• Tubing is available in a variety of sizes & materials: Polyethylene, Teflon® lined poly, Teflon®,
  PVC nylobraid
• Teflon® coated stainless steel safety cable

Geosmart Dedicated Sampling System Specifications