• AS568 Buna O-Rings

OneMonroe’s PTFE O-Rings are designed for applications demanding unparalleled chemical resistance, extreme temperature tolerance, and longevity. Crafted from high-quality PTFE (Polytetrafluoroethylene), these O-rings are well-suited for challenging environments that would compromise other materials. The AS568 standard sizing ensures compatibility across a wide range of applications, from industrial machinery to specialized equipment in chemical processing and food manufacturing. OneMonroe’s commitment to quality means that every PTFE O-ring offers a secure, leak-proof seal that withstands high pressures, making them indispensable for rigorous applications where performance and reliability are essential.

The unique properties of PTFE make these O-rings ideal for environments exposed to aggressive chemicals, solvents, and extreme temperatures. Unlike traditional rubber or elastomer O-rings, PTFE O-rings retain their integrity in high-temperature applications, withstanding ranges from -328°F to 500°F (-200°C to 260°C). This resilience ensures that the O-rings remain effective in sealing processes under the most demanding conditions. Additionally, PTFE’s non-stick properties mean these O-rings experience minimal friction and wear, which prolongs their lifespan and helps reduce maintenance downtime.

At OneMonroe, we understand that no two projects are identical, and our extensive inventory of AS568 PTFE O-rings provides a solution for nearly every industry need. Whether you’re working in aerospace, medical technology, or heavy-duty industrial applications, our PTFE O-rings offer reliable, long-lasting performance. We prioritize quality in every O-ring we produce, ensuring each piece delivers a precise fit and secure seal. With OneMonroe’s PTFE O-rings, you gain not only an exceptional product but also a partner committed to meeting the highest standards of excellence in sealing solutions.

For more information, please see: Comparison Properties Chart, PTFE Encapsulated O-rings, Material Shelf Life, and O-ring Groove Design Chart.

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Size Reference - AS568

Product Guides

N/A
195255 		N/A 0.070 in1.78 mm N/A N/A 31.47 mm1.239 in N/A 0.003 in0.08 mm N/A 0.011 in0.28 mm N/A -026 N/A Seal Guides
N/A
195256 		N/A 0.070 in1.78 mm N/A N/A 33.05 mm1.301 in N/A 0.003 in0.08 mm N/A 0.011 in0.28 mm N/A -027 N/A Seal Guides
N/A
195257 		N/A 0.070 in1.78 mm N/A N/A 34.65 mm1.364 in N/A 0.003 in0.08 mm N/A 0.013 in0.33 mm N/A -028 N/A Seal Guides
N/A
195258 		N/A 0.070 in1.78 mm N/A N/A 37.82 mm1.489 in N/A 0.003 in0.08 mm N/A 0.013 in0.33 mm N/A -029 N/A Seal Guides
N/A
195259 		N/A 0.070 in1.78 mm N/A N/A 41.00 mm1.614 in N/A 0.003 in0.08 mm N/A 0.013 in0.33 mm N/A -030 N/A Seal Guides
N/A
195260 		N/A 0.070 in1.78 mm N/A N/A 44.17 mm1.739 in N/A 0.003 in0.08 mm N/A 0.015 in0.36 mm N/A -031 N/A Seal Guides
N/A
195261 		N/A 0.070 in1.78 mm N/A N/A 47.35 mm1.864 in N/A 0.003 in0.08 mm N/A 0.015 in0.38 mm N/A -032 N/A Seal Guides
N/A
195262 		N/A 0.070 in1.78 mm N/A N/A 50.52 mm1.989 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -033 N/A Seal Guides
N/A
195263 		N/A 0.070 in1.78 mm N/A N/A 53.70 mm2.114 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -034 N/A Seal Guides
N/A
195264 		N/A 0.070 in1.78 mm N/A N/A 56.87 mm2.239 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -035 N/A Seal Guides
N/A
195265 		N/A 0.070 in1.78 mm N/A N/A 60.05 mm2.364 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -036 N/A Seal Guides
N/A
195266 		N/A 0.070 in1.78 mm N/A N/A 63.22 mm2.489 in N/A 0.003 in0.08 mm N/A 0.018 in0.46 mm N/A -037 N/A Seal Guides
N/A
195267 		N/A 0.070 in1.78 mm N/A N/A 66.40 mm2.614 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -038 N/A Seal Guides
N/A
195268 		N/A 0.070 in1.78 mm N/A N/A 69.57 mm2.739 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -039 N/A Seal Guides
N/A
195269 		N/A 0.070 in1.78 mm N/A N/A 72.75 mm2.864 in N/A 0.003 in0.08 mm N/A 0.020 in0.50 mm N/A -040 N/A Seal Guides
N/A
195270 		N/A 0.070 in1.78 mm N/A N/A 75.92 mm2.989 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -041 N/A Seal Guides
N/A
195271 		N/A 0.070 in1.78 mm N/A N/A 82.27 mm3.239 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -042 N/A Seal Guides
N/A
195272 		N/A 0.070 in1.78 mm N/A N/A 88.62 mm3.489 in N/A 0.003 in0.08 mm N/A 0.024 in0.61 mm N/A -043 N/A Seal Guides
N/A
195273 		N/A 0.070 in1.78 mm N/A N/A 94.97 mm3.739 in N/A 0.003 in0.08 mm N/A 0.027 in0.69 mm N/A -044 N/A Seal Guides
N/A
195274 		N/A 0.070 in1.78 mm N/A N/A 101.32 mm3.989 in N/A 0.003 in0.08 mm N/A 0.027 in0.69 mm N/A -045 N/A Seal Guides
N/A
195275 		N/A 0.070 in1.78 mm N/A N/A 107.67 mm4.239 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -046 N/A Seal Guides
N/A
195276 		N/A 0.070 in1.78 mm N/A N/A 114.02 mm4.489 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -047 N/A Seal Guides
N/A
195277 		N/A 0.070 in1.78 mm N/A N/A 120.37 mm4.739 in N/A 0.003 in0.08 mm N/A 0.030 in0.76 mm N/A -048 N/A Seal Guides
N/A
195278 		N/A 0.070 in1.78 mm N/A N/A 126.72 mm4.989 in N/A 0.003 in0.08 mm N/A 0.037 in0.94 mm N/A -049 N/A Seal Guides
N/A
195279 		N/A 0.070 in1.78 mm N/A N/A 133.07 mm5.239 in N/A 0.003 in0.08 mm N/A 0.037 in0.94 mm N/A -050 N/A Seal Guides
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