Product Description 

 This device for my company independent research and production, mainly used in gas drilling measure gas flow, gas drilling blowout preventer, gas drilling sealed barb structure can re-use, easy disassembly. The barb structure can withstand the enormous pressure, the greater the pressure seal more tightly, can be firmly in control of the gas in the gas drilling to prevent spewing. 

 Technical parameters 

 Applicable pressure: greater than 40MPa 
 The plugging depth :1-30 meters 
 Pore ??size: 50mm, 75mm, 90mm 
 Inflation pressure :0.3-0 .8 MPa