What's New

Update standard size
New language versions (Chinese, Taiwanese).
Optimizations and performance improvements.

App Description

GMORS O-Ring Master is the completed tool for standard rubber seal sizes.
When you use this APP, you don't need to have internet and catalog. Except O-Ring sizes, it also includes the search functions of X-Ring and Back-Up Ring.
Otherwise, you can also use O-Ring Housing to choose suitable O-Ring in your application.

Main functions are as follows:

Dimension Search:O-Ring, X-Ring and Back-Up Ring.
- MM and Inch are both available.
- Full standard O-Ring series: AS568, BS 4518, GB/T 3452.1, JIS B2401 P, JIS B2401 G, JIS B2401 S, JIS B2401 V, SMS 1586 and METRIC.
- Collocated Back-Up for AS-568 O-Ring.
- Substitutable O-Ring sizes within tolerance are available.

O-Ring Housing: Piston Sealing、Rod Sealing and Face Sealing.
- MM and Inch are both available.
- Support calculation for both Static and Dynamic sealing applications (Face sealing is with static calculation only).
- Up to 7 O-Ring standards ( AS568, METRIC, JIS B2401 P/G/S/V, JASO F404, GB/T 3452.1, BS 4518 and SMS 1586) for most of size requirement of different groove design.

iPhone Screenshots

(click to enlarge)

O-Ring Master screenshot 1 O-Ring Master screenshot 2 O-Ring Master screenshot 3 O-Ring Master screenshot 4 O-Ring Master screenshot 5

App Changes

  • January 12, 2016 Initial release
  • January 18, 2016 New version 1.01
  • August 19, 2016 New version 1.0.2
  • June 15, 2019 New version 2.2
  • July 15, 2020 New version 2.3
  • September 16, 2023 New version 3.2

Other Apps From GE MAO RUBBER INDUSTRIAL CO., LTD.

Material Master