butterfly valve no back seat
Series F203 butterfly valves designed to comply with MSS SP-67,BS5155 and API 609.
Compatible with GB.ANSI,DIN,BS,JIS flanges.
The seat of series F203 butterfly valve is designed into without back.
The tongue-and -groove seat is lower torque and field replaceable
There is O-ring casted on the seal surface of the seat,negates need for flange gaskets.
Available in size1″to 24″.
Available in wafer type,lug type body.
Available with handles,manual gear operators,and electricorpneumatic actuators.
描述
series F203 wafer type butterfly valve two shaft without back seat sectional view
Series F203 butterfly valves designed to comply with MSS SP-67,BS5155 and API 609.
Compatible with GB.ANSI,DIN,BS,JIS flanges.
The seat of series F203 butterfly valve is designed into without back.
The tongue-and -groove seat is lower torque and field replaceable
There is O-ring casted on the seal surface of the seat,negates need for flange gaskets.
Available in size1″to 24″.
Available in wafer type,lug type body.
Available with handles,manual gear operators,and electricorpneumatic actuators.