Type A Wafer Butterfly Valve Specifications: 1) Size: DN50 (2") ~ DN600 (24") 2) Pressure: PN10; PN16; 125LB 3) Material: a) Body: ductile iron, cast iron, stainless steel, carbon steel b) Disc: plated ductile iron, aluminum bronze, stainless steel c) Stem: stainless steel d) Seat: NBR, EPDM, FKM, CR 4) Standards: a) Valve design to: API609 b) Valve test to: API598, GB13927 c) Face to face: API609 d) Flange drilled is according to: GB/T17241, ANSI B16.42, ANSIB 16.1, and EN1092-2 Features: a) Small in size and light in weight; easy in installation and maintenance; can be mounted wherever needed b) Small torque of operate, energy saving c) Flow curve tending to straight line. Excellent regulation performance d) Long service life. Standing the test of tens of thousands opening/closing operation e) Perfect sealing without leakage under the pressure test f) Wide selection of materials, applicable for various mediums Inner packing: Plastic package Outer packing: Wooden cases