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Water use of bottom hole circulation grouting plug is widely used in hydropower station, reservoir engineering curtain, consolidation, backfill, chemical grouting, geological exploration water pressure testing and water shutoff in drilling. And it is also used in the hole pl ing and water shutoff of coal bed, gas testing and discharge. It can be used repeatedly for 30 - 50 times. Water use of bottom hole circulation grouting plug has three holes: the first one is used to inject water or air into it to make the rubber hose inflated, the second one is used to inject cement and the third one is used to discharge the water or gas produced in the cement injection process.

Application of water use of bottom hole circulation grouting plug:

• Water use of bottom hole circulation grouting plug is widely used in hydropower station, reservoir engineering curtain, consolidation, backfill, chemical grouting.
• It is used in geological exploration water pressure testing and water shutoff in drilling.
• It is also used in the hole pl ing and water shutoff of coal bed, gas testing and discharge.

• 3、 Main technical parameters:

  Sealing hole diameter 30-2000mm (can be processed according to user requirements)

  Working pressure 1-8MPa (can be processed according to user requirements)

  Working flow: 3-4.5 tons per hour

  Hole sealing depth 1-8000m

  SIZE	I.D(mm)	O.D(mm)	Expansion Range(mm)	Aperture(mm)	W.P(Mpa)	T.P(Mpa)	B.P(Mpa)
  φ16-2	16±0.5	30±1.5	50  +8/-2	40	8	16	32
  φ16-4	16±0.5	36±1.5	50  +8/-2	40	20	30	40
  φ19-2	19±0.5	36±1.5	60  +8/-2	45	8	16	32
  φ19-4	19±0.5	40±2.0	60  +8/-2	45	20	30	40
  Φ22-2	22±0.5	39±2.0	80  +8/-4	50	6	12	24
  Φ22-4	22±0.5	45±2.0	80  +8/-4	50	20	30	40
  Φ25-2	25±0.5	42±2.0	90  +8/-4	65	6	12	24
  Φ25-4	25±0.5	48±2.0	85  +8/-4	55	16	24	32
  Φ32-2	32±0.5	50±2.0	90  +8/-4	60	6	12	24
  Φ32-4	32±0.5	54±2.0	90  +8/-4	60	16	24	32
  Φ38-2	38±0.5	55±2.0	95  +8/-4	65	5	10	20
  Φ38-4	38±0.5	60±2.0	95  +8/-4	65	16	24	32
  Φ45-2	45±0.5	63±2.0	100  +8/-4	75	4	8	16
  Φ45-4	45±0.5	69±2.0	100  +8/-4	75	16	24	32
  Φ51-2	51±0.5	69±2.0	110  +8/-4	90	4	8	16
  Φ51-4	51±0.5	75±2.0	110  +8/-4	90	16	24	32
  Φ64-2	64±0.5	84±2.0	120  +8/-4	100	3	6	12
  Φ64-4	64±0.5	90±2.0	120  +8/-4	100	8	12	16
  Φ76-2	76±0.5	94±2.0	130  +8/-5	110	3	6	12
  Φ76-4	76±0.5	99±2.0	130  +8/-5	110	8	12	16
  Φ89-2	89±0.5	109±2.0	140  +8/-5	130	3	6	12
  Φ102-2	102±0.5	122±2.0	160  +8/-5	150	3	6	12