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Desulfuration butterfly valve
● Brief
Desulfurization dedicated butterfly valve is my company under current domestic FGD system design products. To meet the limestone and gypsum slurry grout corrosion, and the valve stem plate using a special corrosion-resistant alloys, high-valve seat wear rubber meet the large number of suspended particles in the liquid on the valve seat erosion. Therefore products with high wear-resistance and anti-corrosion of high. The product is designed to address user requirements, targeted and high reliability. Suitable Mediums: sulfur dioxide, lime slurrypaste, process water and other corrosive media.
● Technical DATA
Nominal Diameter DN(mm)：50(2”)~1000(40”)、50（2”）~800(32”)
Nominal Pressure PN(MPa)：1.0~1.6
Testing Pressure (MPa)：Shell:1.5~2.4 Sealing:1.1~1.76
Suitable Mediums:Fresh water、Sewage、Sea、Water、Air、Steam、Food、Medicine、Oils、Acids、etc.
Working Temperature: -35~+150
● Meterial Of Main Parts
（Parts name） | （Material） | |||||||||||
（Body） | （Ductile iron, steel, stainless steel) | |||||||||||
（Butterfly Plate） | (Special wear resistant rubber,2507,1.4469,1.4529 duplex steel, alloy HC Harrington) | |||||||||||
（Seat） | (Special wear resistant rubber,EPDM,VITON) | |||||||||||
（Stem） | （416,316,2507,1.4469,1.4529，dual-phase steel,alloy HC Harrington) | |||||||||||
（Packing) | （Polymer PTFE） | |||||||||||
butterfly valve | Maximale Einsatzb edingungen | |||||||||||
浸水部件 | 材料 | 适用尺寸 | PH值 | 氯含量 | 温度（℃） | 应用 | ||||||
Parts water | Materials | Applicable size | Chlonne(ppm) | Tempe rature | Apply | |||||||
阀板 | 1.4529不锈钢 | DN40-DN150 | 〉5.0 | 〈5.000 | 35 | 水、石灰石、工艺用水 | ||||||
Stainless Steel | ||||||||||||
1.4469不锈钢 | DN200-DN1200 | 〉5.0 | 〈5.000 | 35 | Water,limestone,water technology | |||||||
Stainless Steel | ||||||||||||
SAF2507超级 双重表面质量S3，按DIN | DN40-DN1200 | 〉3.0 | 〈30.000 | 55 | 洗涤浆液、Gipsum浆液、废水、工艺用水 | |||||||
SAF2507 super double the quality of the surface of S3,according to DIN | Serous washing,Gipsum serous waste, process water | |||||||||||
Disc | 9-4602耐蚀镍基合金 C22c表面质量S3，按DIN | DN40-DN1200 | ≥2.5 | 〈50.000 | 55 | 洗涤浆液、Gipsum浆液、废水、工艺用水 | ||||||
9-4602 corrosion resistance of nickel-based alloys C22c quality of the surface of S3,according to DIN | Serous washing,Gipsum serous waste, process water | |||||||||||
Hostalen Gur | DN50-DN1000 | 0 | 〈150.000 | 80 | 洗涤浆液、Gipsum浆液、废水、工艺用水 | |||||||
Serous washing,Gipsum serous waste, process water | ||||||||||||
阀座 | EPDM弹性体 | DN40-DN1200 | ≥2.5 | 〈150.000 | 见上述 | 全部 | ||||||
Seat | Elastomer | See above | All | |||||||||
（阀衬） valve liring | CSM弹性体 Elastomer | DN40-DN1200 | ≥0 | 〈150.000 | 见上述 See above | 全部 All | ||||||
