PEEK V stacks for downhole tool
The V Stack seal assembly is comprising a top adapter or anti-extrusion ring.
(1).Vee Rings;
(2).and a bottom adapter;
(3).In the assembly the energizing axial force is transferred between the individual packing rings so that each ring is pressed into positive contact with the mating hardware surface. Special material grades are available for a large variety of working conditions.
The seal stack material could be PEEK, modified PTFE and spring.
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Benefits:
1. Very robust seal
2. Multiple sealing lips for positive seal
3. Easy replacement in the field with split rings
4. Extensive range of sizes
5. Can be used with poor counter surfaces
6. Operating temperatures of -49°F to +500°F / - 45°C to +260°C depending on the elastomer
7. Compatible with virtually all media
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Working Conditions
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Working Pressure
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Temp range
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Working Medium
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≤12.5kPsi
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40~350F
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gas and water
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Size:
3.5", 4.5"
