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Dublin
No-purge device provides larger sample volume, a full 1 liter, in 2" and larger wells. (NO COLLAR REQUIRED)
Disposable. Fits in 2" Schedule 80 and larger wells. Standard material = virgin 4 mil PE. Tensile strength 15-25 lb.
If using this size bag in 2-inch, Schedule 80, please do not use the spring clips.
(Schedule 80 pipe has the same 2" outside diameter as Schedule 40 pipe (2") however the wall thickness of Schedule 80 pipe is thicker which reduces the internal diameter of the well pipe) (The majority of 2" monitoring well pipe is Schedule 40)
Absolute maximum volume obtainable without spilling 1.2 liters
LAYFLAT | FILLED | FILLED | FILL | |
WIDTH | LENGTH | DIAMETER | VOLUME | STROKE |
2.75" | 38" | 1.75" | ~1000 ml |
38" |
Fill stroke is the length of the sampler when used in 1.5-inch to 2-inch wells. It will be longer for larger diameter wells. Alternative method of recovery is recommended for use in larger wells - see link below.
LAYFLAT | FILLED | FILLED | FILL | |
WIDTH | LENGTH | DIAMETER | VOLUME | STROKE |
2.5" | 30" | 1.5" | ~600 ml |
30"*
|
Fill stroke is the length of the sampler when used in 1.5-inch to 2-inch wells. It will be longer for larger diameter wells. Alternative method of recovery is recommended for use in larger wells - see link below.
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REQUIRED/RELATED ACCESSORIES |
DETAILS | ARTICLES OF INTEREST RELATED TO THIS PRODUCT |
2-inch Spring Clip - recommended for the top of the HydraSleeve |
Don't use Spring Clips in 1.5" wells or when there are obstacles |
Spring Clip Instructions Alternative Attachment without spring clips |
Minimum 4-ounce bottom weight | Very shallow wells - less than 100 | |
Recommended 5-ounce bottom weight |
If the well is more than 250 feet deep, or there are obstacles down hole, you may want to use heavier than 5 ounces. Also stringing multiple sleeves on one tether requires heavier weight. |
Weight Selection Chart |
Top Weight 16-ounce Note: Additional bottom weights must be used with all top weights. |
Needed for short water columns less than 5.5 feet. Compresses the HS-2 to within 6 inches off the bottom of the well. Must have 3.5 feet of saturated screen to fill completely using the top weight |
Topic of Top Weights Alternative method of recovery - oscillating HydraSleeves during retrieval |
Tether available in 500, 1000, and 2000-foot rolls. Marked sequentially in feet along the length of the line. |
About our tether. | |
Sand Weight Clips - for attaching the bottom of HydraSleeves to the tether. Typical for multiple sleeve deployment. |
About bottom (sand weight) clips | |
How to shorten HydraSleeves for less sample volume |