Oil and gas seal

Casing secondary BT seal

BT Seal is a static seal that is used to seal rough casing and tubing. It is constructed from an elastomer with anti-extrusion spring bonded within it. Springs are available in stainless steel, elastomer could be HNBR or NBR.

  • Brand:

    JST Seals
  • Item NO.:

    SBT/EBT
  • Payment:

    T/T
  • Product Origin:

    China
  • Shipping Port:

    Guangzhou
  • Order(MOQ):

    50
  • Product Detail

Casing secondary BT seal


BT Seal is a static seal that is used to seal rough casing and tubing. It is constructed from an elastomer with anti-extrusion spring bonded within it. Springs are available in stainless steel, elastomer could be HNBR or NBR.  


It is mainly used for the secondary sealing between the casing head and the bottom of the tubing head. Generally, the pressure of one BT seal is less than or equal to 5000PSI, and the two BT seals can be used for high pressure. The pressure through injection molding shall not be higher than the extrusion strength of the casing.


Advantages:

Anti-high pressure and Anti-extrusion.


Working Conditions
Temperature range
Pressure
Medium
-50°C~121°C
≤15000PSI
 Oil, water, Gas, H2S, CO2 etc


Nominal Wellhead Casing
Inch MM Inch MM
3.500 88.90 9.625 244.48
4.000 101.60 9.875 250.83
4.500 114.30 10.000 254.00
4.750 120.65 11.750 298.45
5.000 127.00 11.875 301.63
5.500 139.70 13.375 339.73
5.750 146.05 13.625 346.08
6.000 152.40 14.000 355.60
6.250 168.28 16.000 406.40
7.000 177.80 18.625 473.08
7.650 193.68 20.000 508.00
7.750 196.85 24.000 609.60
8.625 219.08 30.000 762.00
9.000 228.60


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    If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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