Elastomers
Test equipment
Pressure testing
Underground
Hydraulic tests
Testing conditions
Pipe couplings
Polymers
Thermoplastic polymers
Pipework systems
Leak tests
Sealing rings
Link: BS EN ISO 13259:2018 Thermoplastics piping systems for underground non-pressure applications. Test method for leaktightness of elastomeric sealing ring type joints
Source: BSI Standards