... PN 1.25, S4/PN1.6, S3.2/PN2.0, S2.5/PN 2.5, S2/PN3.24) According to ... DIN: 8078 / 80775) Colors: white, gray, green, orange1) Healthy and ... from minimum thermal conductivity5) Lightweight, convenient to transport and handle, good for labor-saving6) Smooth inner walls ... -757- 23384648 13535798893 Fax:0086-757-23384618 2.0 MPa hot water and cold water for ppr pipe