Butterfly Valve

TECHNICAL PARAMETERS
Nominal Diameter:DN50 to DN1200  2 inch~48 inch
Pressure Rating:PN10, PN-25,PN40, ANSI150, ANSI300
Connection Type:Wafer, Lug, Flanged
Working Temperature: -40℃ -160℃-40℉ - 320℉ for PTFE seat
-40℃-+425℃-40℉-797℉ for metal seat
For temperature exceeds the above ranges, please consult Linuo factory.
Design and manufacture standard: AP1609, GBT 12238
Face-to-face dimensions standard:AP1609 for flanged type, GB T 12221, EN558.1 for wafer and lug type.
Seat tightness:Control valve---ANSI-FCI 70.2-2006 Class V
On-Off Valve--ISO 5208 rate D for metal seat, ISO 5208 rate A for soft seat.