Reference:
2100000000167
Compact and durable pump for representative groundwater sampling.
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Ask for informationThe portable 0.675" (17 mm) bladder pump in stainless steel is designed for precise sampling of groundwater and other environmental liquids, ensuring representative and contamination-free samples. Its bladder-type pump system allows fluid extraction without direct contact with mechanical components, minimizing chemical alteration and turbulence during sampling.
Manufactured from high-quality stainless steel, this pump offers excellent resistance to corrosion, chemicals, and demanding field conditions. Its portable format and reduced diameter make it particularly suitable for small-diameter wells, facilitating its use in environmental, hydrogeological, and remediation sampling campaigns.
It is an ideal solution for environmental technicians, hydrogeologists, and laboratories, providing reliability, durability, and ease of operation in field and laboratory work.
It operates using a pneumatic system of inflating and deflating an internal bladder, which drives the liquid to the surface without direct contact with mechanical components. This method ensures controlled flow, minimal disturbance, and maximum sample quality, making it especially suitable for chemical analysis and demanding environmental studies.
What is a 0.675" (17 mm) portable bladder pump used for?
The 0.675" (17 mm) stainless steel portable bladder pump is used for groundwater sampling in piezometers/monitoring wells, allowing for representative samples with flow control.
The main function of a Bladder Pump is to extract groundwater samples without altering their chemical characteristics, especially when analyzing:
Is the 0.675" bladder pump suitable for low flow sampling?
Yes. The 0.675" (17 mm) portable bladder pump is suitable for low flow sampling, as it allows extraction at a stable flow rate and reduces the alteration of parameters such as DO, pH, conductivity, and turbidity.
Low Flow sampling is possible by adjusting the pressure and cycle time to achieve very low and stable flow rates ideal for environmental sampling.
What is the outer diameter and minimum well I.D.?
The 0.675" (17 mm) bladder pump has an outer diameter of 0.675" (17 mm) and requires a minimum well inside diameter of 0.75" (19 mm)
What is the maximum sampling depth?
The 0.675" (17 mm) Portable Stainless Steel Bladder Pump has a maximum sampling depth of 200 ft (61 m), as stated in the technical specifications.
Can the 0.675" bladder pump be used for hydrocarbons or VOCs?
Yes, the portable 0.675" bladder pump is specially designed for low flow, particularly for VOCs.
Also (BTEX, TPH, etc.), as long as a bladder/membrane compatible with the target compounds and sampling protocol is selected.
What air pressure does a 0.675" portable bladder pump require?
The 0.675" (17 mm) Portable Stainless Steel Bladder Pump requires a minimum operating pressure of 5 psi (0.3 bar) above static head and typically operates up to 100 psi (7 bar), in accordance with manufacturer specifications.
What materials is the pump made of?
The 0.675" (17 mm) Portable Stainless Steel Bladder Pump is constructed with a 316 stainless steel housing and features a bladder made of polyethylene (PE) or optional PTFE.
Does compressed air contact the sample?
In the 0.675" (17 mm) Portable Stainless Steel Bladder Pump, compressed air does not come into contact with the sample, as the internal bladder isolates the drive air from the groundwater.
What is the volume per cycle and expected flow rate?
The 0.675" (17 mm) Portable Stainless Steel Bladder Pump has a volume per cycle of 0.5 oz (15 mL). Flow rate depends on depth, submergence, and controller configuration, with example values around 10 oz/min (0.3 L/min) under reference conditions.
Is the 0.675" bladder pump suitable for a 0.75" monitoring well?
The 0.675" (17 mm) Portable Stainless Steel Bladder Pump is specifically designed for wells with a minimum inside diameter of 0.75" (19 mm), making it suitable for small-diameter monitoring wells used in groundwater investigations.
In which applications is a 0.675" bladder pump used?
The 0.675" Portable Bladder Pump in Stainless Steel is used in groundwater sampling campaigns in small diameter piezometers, especially when controlled low flow sampling protocols are applied.
Why choose a 0.675" bladder pump instead of a larger diameter pump?
The 0.675" (17 mm) Portable Stainless Steel Bladder Pump is selected when well diameter is limited or when access constraints prevent the use of larger pumps such as 0.85" or 1.66" models.
