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Borehole seals

Borehole seal Ø 31

for borehole Ø 34-45 mm, total length 315 mm, inflation hose length 170 mm, burst pressure 25 bar, sealing lip valve, connecting thread inside G1/2", steel lower part
67210-25

Borehole seal Ø 31

for borehole Ø 34-45 mm, total length 315 mm, inflation hose length 220 mm, burst pressure 40 bar, sealing lip valve, connecting thread inside G1/2", steel lower part
67210-40

Borehole seal Ø 31

for borehole Ø 34-45 mm, total length 315 mm, inflation hose length 220 mm, burst pressure 50 bar, sealing lip valve, connecting thread inside G1/2", steel lower part
67210-50

Borehole seal Ø 40

for borehole Ø 43-70 mm, total length 480 mm, inflation hose length 380 mm, burst pressure 25 bar, sealing lip valve, connecting thread inside G1/2", polymer lower part
67242-25

Borehole seal Ø 40

for borehole Ø 43-70 mm, total length 480 mm, inflation hose length 380 mm, burst pressure 40 bar, sealing lip valve, connecting thread inside G1/2", polymer lower part
67242-40

Borehole seal Ø 40

for borehole Ø 43-70 mm, total length 480 mm, inflation hose length 380 mm, burst pressure 50 bar, sealing lip valve, connecting thread inside G1/2", polymer lower part
67242-50

Borehole seal Ø 52

for borehole Ø 55-87 mm, total length 350 mm, inflation hose length 220 mm, burst pressure 25 bar, sealing lip valve, connecting thread inside G1", polymer lower part
67252-25

Borehole seal Ø 52

for borehole Ø 55-87 mm, total length 350 mm, inflation hose length 220 mm, burst pressure 40 bar, sealing lip valve, connecting thread inside G1", polymer lower part
67252-40

Bohrhole seal Ø 52

for borehole Ø 55-87 mm, total length 610 mm, inflation hose length 500 mm, tube valve with burst pressure 25 bar, integrated adaptor (clockwise detachable) with connecting thread G1/2" inside, lower part of polymer
67257-25

Bohrhole seal

for borehole Ø 55-87 mm, total length 610 mm, inflation hose length 500 mm, tube valve with burst pressure 40 bar, integrated adaptor (clockwise detachable) with connecting thread G1/2" inside, lower part of polymer
67257-40

Bohrhole seal

for borehole Ø 55-87 mm, total length 610 mm, inflation hose length 500 mm, tube valve with burst pressure 50 bar, integrated adaptor (clockwise detachable) with connecting thread G1/2" inside, lower part of polymer
67257-50

Borehole seal Ø 52

for borehole Ø 55-87 mm, total length 525 mm, inflation hose length 400 mm, burst pressure 25 bar, sealing lip valve, connecting thread inside G1/2" and G1", polymer lower part
67262-25

Borehole seal Ø 52

for borehole Ø 55-87 mm, total length 525 mm, inflation hose length 400 mm, burst pressure 40 bar, sealing lip valve, connecting thread inside G1/2" and G1", polymer lower part
67262-40

Borehole seal Ø 52

for borehole Ø 55-87 mm, total length 525 mm, inflation hose length 400 mm, burst pressure 50 bar, sealing lip valve, connecting thread inside G1/2" and G1", polymer lower part
67262-50

Borehole seal Ø 80

for borehole Ø 85-155 mm, total length 640 mm, inflation hose length 500 mm, burst pressure 25 bar, sealing lip valve, connecting thread inside G1", M56x2-LH outside (left-handed thread), locking ring
67327-25

Borehole seal Ø 80

for borehole Ø 85-155 mm, total length 640 mm, inflation hose length 500 mm, burst pressure 40 bar, sealing lip valve, connecting thread inside G1", M56x2-LH outside (left-handed thread), locking ring
67327-40

Borehole seal Ø 80

for borehole Ø 85-155 mm, total length 640 mm, inflation hose length 500 mm, burst pressure 50 bar, sealing lip valve, connecting thread inside G1", M56x2-LH outside (left-handed thread), locking ring
67327-50

Bohrlochverschluss Ø 165

for bore hole Ø 170-250 mm, total length 1,165 mm, inflation hose length 900 mm, burst pressure 20 bar, hose valve, connection thread G2" inside
67350-20
Borehole seal Ø 86

Borehole seal Ø 86

for borehole Ø 91-155 mm, total length 640 mm, inflation hose length 500 mm, burst plug 50 bar, tube valve connecting thread outside M56x2LH (left-handed thread), polymer lower part
67315-50
Hinweis
Easy drilling because many parts are made of polymer (clamps made of aluminium).
Field of application e.g. raise-boring for pumped storage hydropower plant.
Adapter

Adapter

for borehole seal Ø 86 mm, polymer, Ø 80 x 100 mm, M56x2LH inside (left-handed thread) to internal thread NQ
67950
Hinweis
Right-handed removeable, on application of M56x2LH (left-handed thread)
Adapter

Adapter

for borehole seal Ø 86 mm, aluminium, Ø 75 x 100 mm, M56x2LH inside (left-handed thread) to internal thread NQ
67952
Hinweis
Right-handed removeable, on application of M56x2LH (left-handed thread)
Adapter

Adapter

for borehole seal Ø 86 mm, steel, Ø 70 x 100 mm, M56x2LH inside (left-handed thread) to internal thread NQ
67956
Hinweis
Right-handed removeable, on application of M56x2LH (left-handed thread)
Borehole seal Ø 53

Borehole seal Ø 53

for borehole Ø 56-87 mm, total length 605 mm, inflation hose length 540 mm, tube valve connecting thread outside G1", sealing plug
67265
Hinweis
Only for sealing the bore holes.
Not for injection. Robust version because all pieces (except inflation hose) are made of steel.
Adapter

Adapter

for borehole seal Ø 70, steel, Ø 70 x 75 mm, M60x2LH inside (left-handed thread) to internal thread NQ
67940
Threaded ring

Threaded ring

for borehole seal Ø 53, steel, M60x2LH outside (left-handed thread) to interal thread G1"
67941
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