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Supplier: Precision Polymer Engineering Ltd.
Description: components using high-purity elastomer materials. Fully molded O-rings v's jointed (spliced) O-rings Jointed O-rings are manufactured from extruded elastomer cord that is joined by bonding the two ends together. Jointed O-rings have inherent
- Cross-section: 0.1968505 to 0.787402 inch
- Outside Diameter (OD): 59.05515 to 98.42525 inch
- O-ring Hardness (Durometer): >90 durometer, 40 durometer, 50 durometer, 55 durometer, 60 durometer, 65 durometer, 70 durometer, 75 durometer, 80 durometer, 85 durometer, 90 durometer
- Synthetic Rubbers: Ethylene propylene rubber (EPR, EPDM, EP,EPT), Fluoroelastomer (FKM), Fluorosilicone (FVMQ, FMQ, FPM, FSI), Nitrile Rubber (NBR, HNBR, HSN ), Perfluoroelastomer (FFKM, FFPM), Silicone Rubber (SiR)
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Supplier: Precision Polymer Engineering Ltd.
Description: The EnDura® range of elite elastomer materials has been specifically developed by PPE for use in downhole, surface and subsea oilfield equipment and offers excellent Explosive Decompression (ED) or Rapid Gas Decompression (RGD) resistance. The range includes material grades that
- O-ring Hardness (Durometer): >90 durometer, 70 durometer, 75 durometer, 80 durometer, 85 durometer, 90 durometer
- O-ring Size: "AS568" standard sizes (001-475), "AS568-" boss gasket sizes (901- and up), British Standard metric sizes, JIS standard sizes
- Synthetic Rubbers: Ethylene propylene rubber (EPR, EPDM, EP,EPT), Fluoroelastomer (FKM), Perfluoroelastomer (FFKM, FFPM)
- Features: Other Rubber Material
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Supplier: Precision Polymer Engineering Ltd.
Description: applications such as exploration and completion equipment operating or stored in sub-zero temperatures. Perlast® ICE elastomers can be fully molded into standard and non-standard sized O-rings (up to 2.5m/8ft diameter) and custom shapes. Key attributes: Operating temperature: -46°C to
- Outside Diameter (OD): 96 inch
- O-ring Size: "AS568" standard sizes (001-475), "AS568-" boss gasket sizes (901- and up), British Standard metric sizes, JIS standard sizes, Other
- O-ring Hardness (Durometer): 55 durometer, 60 durometer, 65 durometer, 70 durometer, 75 durometer, 80 durometer, 85 durometer, 90 durometer
- O-ring Features: FDA Approved or 3A Sanitary Classification
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Supplier: TFC Ltd.
Description: elasticity over an extended service life Does not suffer from explosive decompression Radiation resistant Cross section from 0.8mm to 12.5mm Available in circular, race track, oval and other shapes Typical Applications All applications where the use of elastomer seals is restricted by
- Seal Type: O-Ring
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Supplier: Precision Polymer Engineering Ltd.
Description: The EnDura® range of elite elastomer materials has been specifically developed by PPE for use in downhole, surface and subsea oilfield equipment and offers excellent Explosive Decompression (ED) or Rapid Gas Decompression (RGD) resistance. The range includes material grades that
- O-ring Hardness (Durometer): >90 durometer, 75 durometer, 80 durometer, 85 durometer, 90 durometer
- O-ring Size: "AS568" standard sizes (001-475), "AS568-" boss gasket sizes (901- and up), British Standard metric sizes
- Synthetic Rubbers: Fluoroelastomer (FKM), Perfluoroelastomer (FFKM, FFPM)
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O-Ring Failure Modes: Explosive Decompression
While O-ring designs are meant to withstand outside influences within the application environment in which they are used, failure is still possible. In this piece, we highlight explosive decompression, including causes, signs and symptoms, resolutions, and prevention tactics.
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Viton O-Rings and Sealing Devices Guide
of hardness, enabling its use in products that meet food-grade or medical-grade standards, as well as compounds that can withstand explosive decompression. This versatility makes Viton an ideal choice for fabricating commercial and industrial O-rings that offer long-term reliability in extreme conditions.
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A Practical Guide to Compressor Technology 2nd Edition
Another problem concerned the explosive decompression of O - rings .
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Equipment and Material Selection to Cope With High Pressure/High Temperature Surface Conditions
In particular explosive decompression of the O ring seal and the wear rates of the internal trim were identified as areas for improvement.
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Elastomers Are Eliminated in High-Pressure Surface-Controlled Subsurface Safety Valves
Historically, extreme pressure reversals may result in explosive decompression of O - rings and T-seals.
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Managing Tubing-Casing-Annulus in ESP Completions for Enhanced Wellbore Integrity and Improved ESP Runlife
● Total GS PVV 142 Appendix 8 “Elastomer O - ring Seals Explosion Decompression Type Testing Procedure”.
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Compressors and Modern Process Applications
On shutdown, a high rate of depressurization can damage these O - rings ( explosive de- compression ) since absorbed gas exits.
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Fractography of metals and plastics
Similarly, explo- sive decompression in rubber O - rings produces fisheye-like ovular patterns on the fracture surfaces (Fig. 7).
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ISA CNTRL VALVES - Control Valves
Also, the rate at which pressure is reduced in a high-pressure application can cause explosive decompression in the O - ring .
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Relative Permeability Experiments of Carbon
Dioxide Displacing Brine & Their Implications for
Carbon Sequestration
Jonathan Levine
The o-rings inside the sensor body have been replaced with Buna-N o-rings due to CO2 permeation causing explosive decompression of the o - rings when system pressure is dropped.