Tri-Offset Metal Seat Flange End Butterfly Valve (Bi-direction)

Features:1. The butterfly valve adopts a unique design structure with bidirectional metal sealing, and the eccentric S-shaped valve seat sealing surface can limited improve the valve's lifespan.2. Low operating torque, rotating 90 ° to open and close, and easy to switch.3. Low flow resistance, good hydraulic characteristics, flow characteristics approximately in a straight line, bi-directional sealing, and no special requirements for installation direction.4. The seal is reliable, and the Maximum life span can be 25000 times of switching.  Product typeSwitch valveProductdescriptionTri-Offset Butterfly ValveModelDs343H/X/WSizeNPS 2"~72"(DN50~DN1800)Operating temperature -196ºC~593ºCOperating pressureCLASS 150~900 (PN20~PN150)MaterialA216 WCB,WCC; A217 WC6,WC9,C5,C12,C12A,CA15; A351 CF8,CF8M,CF3,CF3M,CF8C,CN3MN,CK3MCUN,CN7M; A352 LCB,LCC;A494 CW-6MC,CU5MCuC,M35-1;A890 4A(CD3MN),5A(CE3MN),6A(CD3MWCuN); ASME B 148 C95800,C95500 .etcstandardAPI 609,AWWA C504,ASME B16.34Face to faceASME B16.10Connecting endASME B16.5,ASME B16.47,ASME B16.25Test standardAPI 598,ISO 5208Operationhandwheel , worm wheelwheel,electric , pneumaticApplication fieldswater works, power plant, steel smelting, chemical industry, environmental protection system, apply to adjust the flow. Other remark 1small size, portability, easily to be repaired. Other remark 2Triple eccentric structure design, sealing face will leave when it open, it prevents mechanical wear, increase of service life.  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1