Fixed ball valve is mainly suitable for pharmaceutical, food, gas, chemical industry, environmental protection, oil, urban construction, metallurgy and other industries, including resistance to sulfur series products are suitable for the hydrogen sulfide corrosion medium, serious and impurities on the number of long distance natural gas pipeline. Fixed ball Industrial Valves structure features unique seat sealing structure: the ball before sealing structure; After the ball sealing structure; Before, the ball after the ball sealing structure; Full size structures or reducing structure; Automatic pressure relief structure; Locking devices. Seal of emergency rescue; Fire prevention structure; Put the corrosion; Extension rod device; Anti-static structure; The body of the discharge device; Sulfide stress cracking resistance. Fixed ball valve torque table size pressure PN ( MPa） CLASSDNin1。 62. 54. 06. 410. 0150300400600900150025005022530501001905799/168228390589652 /25060100200360///////8036580150300460122212/360512831157710041251402504007701923354675729461524196512552503004506501050///////150634040058589019802745446509121784293455012008485680996150032808321250180621775910721511786250108101140169025605250110517362638309310137111281322230012131018702800429072001502238829294282141411610320075350141910274041106320986019463224391774581886624518/4001628604150630097501450031645139630793102240029630/450184500650089001350016900379361947609146392854440918/50020586078001200018660190004769782696232001142427//55022/////5695945411651247854327665351/60024892013210203803182042500752912958159003122647580//65026/////869314394177273518452486//700281332019380306704802058000983215620201823898756210//75030/////1117218703230864183260849//8003224000354205520068830820001249421030259854519965244//85034/////2114831558330004840170355//90036349605287082700134000/22987341703604552262///1000404342066700102820162210/26059391154339060197///105042/////28149424145030065496///120048/////427767186880302118938///135054/////7027691238116000144342///140056/////85654108550129900169230///150060///116000122820178200216270///　　若使用防腐内件，用于清洁润滑介质的阀门，扭矩可降低20%; If the medium such as slurry, particulate medium harsh medium and used in oxygen, torque may need to increase 50%. Nominal pressure (fixed ball valve performance specification performance specification MPa） Pressure levels ( MPa） 1. 62. 54. 06. 410. 015030040060090015002500 test pressure ( MPa） Strength test 2. 43. 756. 09. 615. 02. 937. 5810. 015. 022. 537. 563. 1 0 sealing test. 762. 754. 47. 0411. 02. 075. 527. 3111. 0316. 527. 546. 0 2 pressure test. 6 mpa applicable temperature - 196℃~550℃（ Working condition of different temperature, choose different material) Applicable medium type such as water, steam, oil, natural gas, liquefied petroleum gas resistance type sulfur containing H2S, CO gas, oil, etc
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