Updraft

O-ring G

Oリング G(固定用)の寸法

This series is for static seals only. Do not use it for dynamic seals.

Diagram: Vòng chữ O O-ring G
表示する寸法
Show tolerances
Designation numberO-ring itselfHousing (cylindrical face)Housing (flat face)
Inside diameter d1Cross-section d2Outside diameter (reference)d3, d5d4, d6b1
None
b2
1 piece
b3
2 pieces
r1
Max.
E
Max.
Back-up
Spiral
Back-up
Bias cut
Back-up
Endless
z
Min.
SqueezeSqueeze ratio [%]d8
For external pressure
d7
For internal pressure
b4hr1
Max.
z
Min.
SqueezeSqueeze ratio [%]

Notes

  • References
    • JIS B 2401-1(2012)
    • JIS B 2401-2(2012)
    • JIS B 0401-1(2016)
    • JIS B 0401-2(2016)
  • The tolerances are for NBR. Multiply by 1.5 for VMQ and ACM, and by 1.2 for FKM and HNBR.
  • The back-up ring thickness is for PTFE. The groove width depends on how many are fitted: b1 (none), b2 (one) or b3 (two).

Related pages

O-rings — O-ring G — O-Ring Dimensions | Updraft - Mechanical Engineering Calculators