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| Clear Rigid uPVC for rotary core drilling. |
We are able to offer a vast range of transparent uPVC tube of various diameters and lengths, to fit most sizes and types of corebarrel.
Almost all sizes are available ex-stock for next day delivery.
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| Clear Rigid uPVC for windowless sampling. |
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All sizes available ex-stock up to 132mm OD.
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| Coreboxes. |
Solid timber coreboxes are available to suite all core sizes. All standard sizes are available for next day delivery.
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| Clear Rigid uPVC for rotary core drilling. |
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U4/U100 liners for shell and auger sampling. Vaston Parawax is used to seal the U4 liner and preserve samples for long term storage.
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| HDPE Wellscreen and Wellcasing |
Mainly used in the extraction of landfill gas and leacheate, polyethelene has substantial heat tolerance and offers
greater resistance to chemical aggression found in landfill.
We are able to offer a wide range if diameters (up to 1000mm) and wall thicknesses and all casings are threaded male
and female and when joined together give a flush joint. Slots sizes are generally 0.5mm, 1.00mm or 3.00mm.
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| UPVC Wellscreen and Wellcasing |
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Lead free UPVC wellscreen and casing is generally used for water wells, and groundwater monitoring and remediation.
Casings are available in a wide range of diameters from 19mm internal diameter upwards.
Casings are threaded male and female and when joined together give a flush joint. Slots sizes are generally 0.5mm or 1.00mm
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| Gas Monitoring Caps and Methane Heads |
We offer a full range of the above for all diameters of pipework.
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| Borehole Filter Media |
Washed silica sand is available in various grades, packed in 25kg bags.
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| Geotextile Filter |
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All wellscreens can be wrapped with a geotextile filter sock to prevent the ingress of unwanted media into the pipe.
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| Bentonite |
A range of bentonite products are available for borehole plugging and sealing. Some characteristics are as follows:
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Vaston Bentonite Pellets are cylindrical bentonite rods made from 100% natural clay.
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Vaston Bentonite Granules are sodium carbonate activated, mainly used where bentonite needs to be delivered below water.
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Vaston Bentonite Powder is a pale cream coloured sodium carbonate activated bentonite, mainly used in oil well drilling.
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| Protective Borehole Covers |
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Stoptap box (surface box), cast iron with screw locking lid, available in various sizes, the most popular being 6" and 9".
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Upright security covers are solid heavy duty steel with a lockable lid, available in various diameters and lengths.
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Circular well monitoring covers are ductile iron castings fitted with a watertight "O" ring. The most popular sizes are 6" and 10".
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| Bailers |
Vaston Limited stock both PVC and HDPE disposable water bailers. Various diameters are available ex-stock.
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| Pipe Protection Caps |
A massive range of LDPE pipe thread protection caps are available. Please contact us for details.
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