Hydraulic Cement Valve
Key words:
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Key words:
Hydraulic Cement Valve
Classification:
Hydraulic Cement Valve
The Sunrise Hydraulic Cement Valve is a cement accessory that provides cementing ports between the inside of the casing or liner and the annulus. The valve is opened and closed by apply hydraulic pressure to the string.
Once plug the casing or liner below the valve and apply pressure to the inside of the casing or liner. This will shear the opening shear screws and shift the piston down, and provide a communication path between the valve ID and the annulus. A rubber element prevents the annulus cement slurry from flowing back into the string.
After the cement slurry is pumped, a wiper closing plug will seat in the valve. Pressure applied inside the casing or liner then shifts the closing sleeve down, and blocks the communication path. The closing sleeve contains a C-Ring which permanently locks the sleeve in the closed position. The wiper closing plug and some parts of the valve are designed with an anti-rotation feature to allow easy drill-out of the plug and seat.
Features：
● The annular pressure can temporarily close the ports.
● Rubber element design prevents backflow of cement slurry.
● The opening piston is protected from inside or outside interference by the body.
● The closing sleeve is permanently locked in the closed position with the C-Ring.
● Easy drilling material and anti-rotation design allow the internal parts to be drilled out.
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Jingzhou Sunrise Energy Technology Co., Ltd.
Address: B- 5, Yinhu Industrial Park, Shashi District, Jingzhou City, Hubei Province
Telephone: 86-716-8263197
Mailbox:sales@sunriseet.com(Sales)
zdd@sunriseet.com(Personnel)
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