BS 1399-2:1970

Co-operating organizations
Foreword
Specification
1 General
1.1 Scope
1.2 Design of seal
2 Dynamic seal tests
2.1 Number of test seals
2.2 Duration of tests
2.3 Permissible leakage at the seal
2.4 Shaft, housing and seal width dimensions
2.5 Shaft speed
2.6 Test medium and condition
2.7 Test temperature
2.8 Shaft dynamic runout
2.9 Seal housing eccentricity
2.10 Pre-test procedure
2.11 Test procedure
2.12 Post-test procedure
2.13 Classification of dynamic tests
3 Supplementary low-temperature test
3.1 Supplementary low-temperature test
3.2 Classification of supplementary low-temperature
      test
4 Quality control requirements and tests
4.1 Requirements
4.2 Specific gravity test
4.3 Hardness test
4.4 Compression set test
4.5 Fluid immersion test
4.6 Dry heat ageing test
Appendices
A Test report
B Application and seal specification
C Quality control specification and test results
Tables
1 Shaft, housing and seal width dimensions
2 Shaft speed
3 Test medium and condition
4 Test temperature
5 Shaft dynamic runout
6 Seal housing eccentricity
7 Test temperature (low temperature)
8 Shaft dynamic runout (low temperature)

Dynamic tests, supplementary low-temperature test, materials quality control requirements and tests, including classification of tests.