Plastics piping systems. Elastomeric-sealing-ring-type socket joints of unplasticized poly(vinyl chloride) (PVC-U) for use with PVC-U pipes. Test method for leaktightness under negative pressure— 10 стр.
Plastics piping systems. Elastomeric-sealing-ring-type socket joints for use with plastic pressure pipes. Test method for leaktightness under negative pressure, angular deflection and deformation— 14 стр.
Plastics piping systems. Elastomeric-sealing-ring-type socket joints for use with plastic pressure pipes. Test method for leaktightness under negative pressure, angular deflection and deformation— 14 стр.
