Lockdown screw packing for casing head

Lockdown screw seal is used mainly in geothermal applications, HNBR packing with stainless steel caps provide superior performance over metal pressure seals.

Lockdown screw packing for casing head

Lockdown screw packing seal is used mainly in geothermal applications, HNBR packing with stainless steel caps provide superior performance over metal pressure seals.

JST’s lockdown screw packing seal will effectively seal the bolts that secure and position tubing and casing hangers and joints.

The U-shaped packing consists of a metal Jack firmly bonded to the NBR or HNBR or FKM / FPM filler.

It uses HNBR with metal end cap, which is suitable for L-X, HH, PSL 3
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Advantages:

  1. Easy to install and remove
  2. Replaces V packing
  3. Excellent sealing performance
  4. Good extrusion resistance

Working Conditions

-46°C~177°C ≤20000 PSI Oil, water, Gas, H2S, CO2 etc NBR/HNBR/FKM Stainless Steel

Size:

JST ESD series can replace the Vee Packing design and match with the Vee Packing standard groove.If you have special/customized groove dimension,please contact our engineers to choose the suitable dimension for you.

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