<pre id="dynxt"></pre><tr id="dynxt"></tr>
    <table id="dynxt"><strike id="dynxt"></strike></table><p id="dynxt"></p>

    <table id="dynxt"><ruby id="dynxt"></ruby></table>
  1. Unionlever (Group) Petroleum Equipment Co.,Ltd.

    Drop-in Check Valves

    Drop-in Check Valve

     

    Drop-in check valve is an internal preventor. When blowout is going to happen, the Kelly should be removed immediately and the check pressure valve assembly should be put into the water hole and then pumped downward to the required place. Thus, the blowout can be prevented. The valve body connect on the drilling stem, Drop-in check valve is ball and seat of heavy duty, if only drop in the valve core at the mouth of the well, it turn into the valve body. 









     

    Type

    O.D. of Valve Core Assembly
    mm(inch)

    Sub Body

    Connection
    API

    OAL
    mm(inch)

    O.D.
    mm(inch)

    I.D.
    mm(inch)

    FT105-1

    36(1-27/64)

    105(4-1/8)

    37.6(1-31/64)

    NC31

    574(22-39/64)

    FT105-2

    39(1-17/32)

    105(4-1/8)

    40.5(1-19/32)

    NC31

    572(22-1/2)

    FT111-1

    36(1-27/64)

    111(4-3/8)

    37.6(1-31/64)

    NC31

    569(22-13/32)

    HY121-1

    54(2-1/8)

    121(4-3/4)

    56(2-13/64)

    NC38

    805(31-11/16)

    FT121-2

    51(2)

    121(4-3/4)

    53(2-3/32)

    NC38

    794(31-1/4)

    FT127-1

    52(2-3/64)

    127(5)

    54_2-1/8)

    NC38

    794(31-1/4)

    FT127-2

    51(2)

    127(5)

    53(2-3/32)

    NC38

    799(31-29/64)

    FT159-1

    68(2-43/64)

    159(6-1/4)

    70(2-3/4)

    NC46

    867(34-1/8)

    FT162-1

    69(2-23/32)

    162(6-3/8

    71(2-51/64)

    NC50

    872(34-21/64)

    FT165-2

    67(2-41/64)

    165(6-1/2)

    69(2-23/32)

    NC50

    871(34-19/64)

    FT168-1

    68(2-43/64)

    168(6-5/8)

    70(2-3/4)

    NC50

    867(34-1/8)

    FT178-1

    74(2-29/32)

    178(7)

    76(3)

    HT55

    986(38-13/16)

    FT190-1

    78(3-5/64)

    190(7-31/64)

    80(3-5/32)

    5-1/2FH

    906(35-43/64)

    HY203-1

    84(3-5/16)

    203.2(8)

    86(3-3/8)

    NC56

    907(35-45/64)

    FT203-2

    67(2-41/64)

    203.2(8)

    69(2-23/32)

    6-5/8REG

    883(34-49/64)

    FH241-1

    114(4-31/64)

    241.3(9-1/2)

    116(4-9/16)

    7-5/8REG

    975(38-3/8)

    ←[Previous:] [Next:]→

    天天看影院