Coal Seam Water Injection Hole Sealing Device

Product Specifications

Prod Model:	1/2"-2"
Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Size:	1/2"-2"
Place Of Origin:	China
Temperature:	-40-120c
T.P:	8-30 MPa
Brand Name:	Coal Seam Water Injection Hole Sealing Device
Name:	Coal Seam Water Injection Hole Sealing Device
W.P:	1-8 MPa
B.P:	16-40MPa
Hole Radius:	45-90mm
Model Number:	1/2"-2"
Material:	Nitrile Rubber
Color:	Black
Capability:	Rubber Hose for Sand and Grit Blasting

Product Description

Coal seam water injection hole sealing device

1.Application :
Coal injection,dust-fall,coal pressure reduction,coal-crack,methane drainage,ctc.
2.Fuction :
1).Moisture enters into coal mass,releasing some gas,and reducing the gas content in the      coal body.

2).It can reduce the 80% dust,improve workers' working environment,and completely
    eradicate dust explosion accidents when water injection reaches the desired impact.
3).Wetting coal mass to prevent the spontaneous ignition of coal body.

4).High pressure water injection,breaking coal mass,reducing cost,and enhancing the
     workers's feeling of safety

5).Use the hole sealing device to efficiently prevent the gas stress and explosion.
3.Structure:
It is madeof high pressure expansion hose,safety valve,and rapid-acting coupling.
4.Echnical Parameter:

Hole-sealing diameter:30~120mm(also can be processed according to customers's needs )
Working pressure:1-8MP(processed according to the customers's needs)
Start-up pressure of the safety valve:0.4-0.5Mpa
Working flow:4-4.5 tons of water per hour
Depth of hole-sealing:1m-8m
Expansion coefficient of the hose:60%-100%
5.Oparation method and notes
1.It is very simple and convenient to use the device.It only needs to connect the device with the
watercourse on the operation field,put the device into the drill hole Under certain pressure
the hose will expand to come to purpose of hole sealing and coal breaking.
2.The device can be used for several times repeatedly.To unload pressure after water injection
it can restore to its original state,and then take out the hole device.
3.Forbiding to insert and retrieve the hole device with pressure.
4.Allow no person in front of the working device.

Sheet of the coal seam water injection hole sealing device

Type Specification	Inside Diameter mm	Outer Diameter mm	Outside diameter mm	Hole Radius mm	WorkingPressure On Free State mpa	Pressure-resistant strength of working state mpa
						test pressure	burst pressure
FKSS-reinforce-19	19±0.5	40±260	+8 -2	45	20	30	40
FKSS-reinforce-19	22±0.5	48±280	+8 -4	50	20	30	40
FKSS II-22	22±0.5	39±280	+8 -4	50	6	12	24
FKSS II-32	32±0.5	50±290	+8 -4	60	6	12	24
FKSS II-38	38±0.5	55±295	+8 -4	65	5	10	20
FKSS II-45	45±0.5	63±200	+8 -5	75	4	8	16
FKSS II-51	51±0.5	70±210	+8 -5	90	4	8	16