Double Flanged Butterfly Valve

Novel and reasonable design, special structure. light,  Easy instllation and mintenance. lt can be mounted wherever needed. Tiny operative moment. quick 90 degrees on-off operation. Miniminzed operating torque, energy saving. Flow curve tending to straight line. Excellent regulation performance. Long servie life. Standing the test of tens of thousands opening/closing operation. Bubbles-tight sealing with no leakage under the pressure test. Wide selection of materials,  applicable for various medeium.