PTFE lined butterfly valve belongs to the type of centerline sealing butterfly valve. Its sealing principle is to rely on the lining plastic covered on the butterfly plate. The smooth sealing surface has extremely high surface roughness. The corresponding valve body is also covered with lining plastic, which also has smoothness. sealing surface and extremely high surface roughness.
Performance Range:
DN
DN50~DN2400;2”~96”
PN
PN2.5~PN25;CLASS150
Valve body & butterfly plate material
Carbon steel / Stainless steel
Lining material
PFA\ETFE\FEP\UHMWPE\PO
Working temperature
-20℃~200℃
Design & manufacturing standard
HG/T 3704,GB/T26144, API609, DIN3354, JIS B2032
Structure & length standard
HG/T 3704,GB/T12221,ASME B16.10, DIN3202, JIS B2002