Glc

DOUBLE FLANGED TYPE BUTTERFLY VALVE

Head loss will be lower because of Dual parallel joist structure for disc.
Stainless steel seat, it fixed on the valve’s body by means of special cement.
Dentate rubber Seal ring can be easy to imbed in disc without bolts or other things. Meanwhile, also it is looks very simple and can be replaced easily without disassemble for the disc &shaft, but it gives the good seal for the valve.
Drop-tight even if the disc over ±1°or not .
US patent design’s eccentric taper pin instead of the traditional key can be connecting with the disc and the shaft very well.
Self-lubrication bearing for the shaft, the friction is very small when the valves operated. And that is oil free design.
Structural design complies with BS5155.
Flange drilling can acc to BS4505 section3.2, ANSI B16.1 Class125/150 or DIN2501 PN10 / PN16 or JIS B2210 10K.

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