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Borehulltetting

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Borehole seal BLV 34

Borehole seal BLV 34

for borehole Ø 34-45 mm, total length 315 mm, inflation hose length 170 mm, sealing lip valve, connecting thread inside G1/2", steel lower part

3 Show Variants

Borehole seal BLV 43

Borehole seal BLV 43

for borehole Ø 43-70 mm, total length 480 mm, inflation hose length 330 mm, sealing lip valve, connecting thread inside G1/2", polymer lower part

3 Show Variants

Borehole seal BLV 55 burst pressure 25 bar

Borehole seal BLV 55

burst pressure 25 bar, for borehole Ø 55-75 mm, total length 350 mm, inflation hose length 170 mm, inner-tube valve, adapter connecting thread G1" inside, polymer lower part

Borehole seal BLV 55

Borehole seal BLV 55

for borehole Ø 55-87 mm

9 Show Variants

Borehole seal BLV 85

Borehole seal BLV 85

for borehole Ø 85-155 mm, total length 640 mm, inflation hose length 500 mm, sealing lip valve, connecting thread inside G1", M56x2-LH outside (left-handed thread), locking ring, polymer lower part

3 Show Variants

Borehole seal BLV 135 burst pressure 25 bar

Borehole seal BLV 135
burst pressure 25 bar

for borehole Ø 135-210 mm, total length 1.045 mm, inflation hose length 660 mm, sealing lip valve, connecting thread inside G1½", polymer lower part

Borehole seal BLV 170

Borehole seal BLV 170

for borehole Ø 170-250 mm, total length 1.165 mm, inflation hose length 760 mm, sealing lip valve, connecting thread inside G2", polymer lower part

3 Show Variants

extension

for borehole seal, aluminum tube Ø 20 x 3 mm, external thread M20x2 x 15 mm long

3 Show Variants

Steel sleeve M20x2

Steel sleeve
M20x2

galvanized, hexagon, AF30 x 30 mm long

Double nipple G1/2“ to M20x2

Double nipple
G1/2" to M20x2

steel galvanized, AF22 x 40 mm long, free passage Ø 14 mm

Borehole seal BLV 90 burst pressure 50 bar

Borehole seal BLV 90
burst pressure 50 bar

for borehole Ø 90-155 mm, total length 640 mm, inflation hose length 400 mm, burst plug 50 bar, tube valve connecting thread outside M56x2LH (left-handed thread), polymer lower part

Adapter

for borehole seal BLV 90, polymer, Ø 80 x 100 mm, M56x2LH inside (left-handed thread) to internal thread NQ

Adapter

for borehole seal Ø 90 mm, aluminium, Ø 75 x 100 mm, M56x2LH inside (left-handed thread) to internal thread NQ

Adapter

for borehole seal Ø 90 mm, steel, Ø 70 x 100 mm, M56x2LH inside (left-handed thread) to internal thread NQ

Borehole seal BLV 56 Burst pressure 50 bar

Borehole seal BLV 56
Burst pressure 50 bar

for borehole Ø 56-87 mm, total length 605 mm, inflation hose length 440 mm, connecting thread outside G1", sealing plug

Adapter

connection with the thread ring (67941), steel Ø 70 x 75 mm, M60x2-LH inside (left-hand thread) to NQ inside

Threaded ring M60x2LH outside to interal thread G1“

Threaded ring M60x2LH outside
to interal thread G1"

steel, M60x2LH outside (left-handed thread)

BOREHULLUKKING

Pakkere med plastslanger brukes hovedsakelig i gruvedrift og tunnelbygging for borehulltetting eller fylling. Gjennom borehullukkingen blir omkringliggende fjell (hulrom) injisert med mineralske materialer for stabilisering.

Bodeninjektion mit Blaehpacker, Hydraulik, Bohrlochverschluss

Ground injection with
Inflatable packers, Hydraulic packers, Borhole seals

PDF german/english

PDF german/french

Bruksområder

Jordstabilisering på forskjellige dybder
Stabilisering av løs grunn
Stabilisering av oppsprukket grunnfjell
Injeksjoner i bygningskomponenter
Injeksjoner i bakken under bygningskomponenter
Tettinger
Permanent lukking av borehull
Løfteinjeksjoner
Leteboring innen gruvedrift

Fordeler og nytte

Enkel og pålitelig tetting av borehullet
Stor utvidelsesmuilighet i dyppakkerslangen
Kan brukes på forskjellige dybder
Brukte plastborehulllukkinger kan lett bores ut ved behov
Plastfôringer hindrer skader på utvinningsverktøyet

Borehole seal

Borehole seal

Tube valve

Sealing lip valve

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