Ductile Iron EPDM Lined Wras Industrial Control Double Eccentric Flange Butterfly Valve

                                 D342X/D343X Resilient seat flanged butterfly valvePurposeThe butterfly valve is suitable for use in metallurgy, chemical power, municipal engineering and medium such as water, oil and air pipeline, as cutting fluid and adjust medium flow rate, etc. Features1. This butterfly valve structure design novelty, overall size is small, light weight. 2. Disc plate with double eccentric, opening and closing is rapid, convenient operation. 3. Disc plate with double eccentric, No sliding friction between disc plate and the sealing ring, sealing surface wear resistance long service life, reliable sealing, easy to adjustWorking principleRotate the butterfly valve handwheel, through the worm worm gear transmission, drive the stem disc plate with in the scope of 90 degrees to rotate, the disc plate is in open or closed, achieve the goal of on and off or cut off the medium. Executive standardDesign and manufacture standard: GB12238-2008Flange connection dimension: GB/T9113.1, GB/T 17241.6Structural length: GB/T 12221Pressure test: GB/T13927Main part materialsBody-Ductile iron /Cast steelValve disc - Ductile iron / Cast steelValve stem- Stainless steelSeal ring - NBR/EPDM/Fluorine rubberPacking-Flexible graphite/V-type rubber padTechnical Datesheet PN1.01.6150BLMPaDN50-2000mmSuitable Temperature