O'Rings LLC
"SERVING YOUR SEALING NEEDS SINCE 1981"
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O'Rings are available in a wide range of standard and non-standard sizes.
MATERIALS
aflas
buna/nitrile
epdm
Fluorosilicone
hnbr
neoprene
polyurethane
silicone
TEFLON
urethane
viton

O'RINGS (2-)
Standard AS568 sizes. 
SQUARE RING (SQ-)
Square Rings are available in the standard AS568 O'Ring sizes. Also called rubber washer, This mainly used for shock absorption application or seal the gap in the static fluid.
qUAD rING (4-)
​"Q"Rings/X'Rings are the simplest types of seal with more sealing surface than standard O'Rings. The property of "Q"Ring is improved based on the property of O'Ring. Its standard size is the same as AS 568 standard of O'Ring. Better lubricant retention; increased life for the sealing ring.
With multiple seal points, less squeeze is required to provide an effective seal. Non-circular Cross Section can avoid rolling in reciprocating movement. Available on different compounds and Durometers: Nitrile 70/60/50/40, Viton 75/90, etc.....
metric (M)
Metric O'Ring from variety of sizes 
JIS
JIS B 2401 o-rings are unique, consist of 4 series of sizes for different applications. 
P series: dynamic sealing applications, G series for fixed or static applications, S series for special sizes, and V series for vacuum flange applications.
non standard (5-)
Custom molded size of o-rings.
kits
Kits are available in a variety of standard ranges which are supplied in AS568 and Metric, Nitrile, Neoprene, Viton, Viton Brown, EPDM, Silicone, 900 series and more.
JIS Kit, Fusion Spray rebuild Kit, Face seal Kit, Flange Kit, Plumbers Kit, X-Rings Kit, Square Ring Kit, Back-up Ring Kit
Mini Pick Kit.
back-up ring
Back-Up Ring ring is mainly used to bear greater pressure in cylinder, hydraulic system or valve to keep effective seal function. It is able to prevent O'Ring from extrusion and increase the pressure that O'Ring resist.
teflon
  • Single Turn, Solid
  • Single Turn, Scarf
  • Virgin TFE, Spiral
viton
  •  FKM 90,
buna/nitrile
  • NBR 90
ms specification
  • MS28774
  • MS28782
  • MS27595
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