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詳細(xì)介紹
一、不銹鋼焊接止回閥概述：
啟閉件靠介質(zhì)流動(dòng)和力量自行開啟或關(guān)閉，以防止介質(zhì)倒流的方向流動(dòng)，以防止發(fā)生事故。止回閥按結(jié)構(gòu)劃分，可分為升降式止回閥，旋啟式止回閥和蝶式止回閥三種。升降式止回閥可分為立式和臥式兩種。旋啟式止回閥分為單瓣式、雙瓣式和多瓣式三種。蝶式止回閥為直通式、以上幾種止回閥在連接形式上可分為螺紋連接、法蘭連接和焊接三種。
二、不銹鋼焊接止回閥主要零部件參數(shù)： 主 要 零 部 件 閥體、閥蓋、搖桿 WCB CF8 CF8M WC6、WC9 閥瓣 WCB堆Cr13或硬質(zhì)合金 CF8堆硬質(zhì)合金 CF8M堆硬質(zhì)合金 WC6、WC9堆硬質(zhì)合金 閥座 25堆Cr13或硬質(zhì)合金 304堆硬質(zhì)合金 316堆硬質(zhì)合金 20Cr1MoV堆硬質(zhì)合金 墊片 軟鐵、XB450 聚四氟乙烯 聚四氟乙烯 不銹鋼+耐酸石棉纏繞墊 螺栓 35CrMoA 35CrMoA 35CrMoA 25Cr1Mo1V 螺母 45 45 45 35CrMoA 主要參數(shù) 適用介質(zhì) 油品、水、蒸汽 硝酸類 醋酸類 油品、水、蒸汽 適用溫度 ℃ ≤425 ≤200 ≤200 ≤550
三、不銹鋼焊接止回閥型號(hào)參數(shù)：
型號(hào) 公稱 通徑 NPS(in) 壓力級(jí) Class 主要結(jié)構(gòu)尺寸(mm) 閥體 材料 性能規(guī)范 D D1 L L1 H 適用溫度(℃) 適用介質(zhì) SFH-64C150C 2" 150 203 170 WCB ≤425 水、油品、蒸氣等 " 3" " 241 185 " " " " 4" " 292 215 " " " " 6" " 356 260 " " " " 8" " 495 300 " " " " 10" " 622 350 " " " " 12" " 699 400 " " " " 14" " 787 450 " " " " 16" " 864 480 " " " " 18" " 978 540 " " " " 20" " 978 600 " " " " 24" " 1295 680 " " " SFH-64C300C 2" 300 267 170 WCB ≤425 水、油品、蒸氣等 " 3" " 318 215 " " " " 4" " 356 235 " " " " 6" " 445 300 " " " " 8" " 533 340 " " " " 10" " 622 350 " " " " 12" " 711 420 " " " " 14" " 838 480 " " " " 16" " 864 520 " " " " 18" " 978 600 " " " " 20" " 1016 670 " " " " 24" " 1346 750 " " " SFH-64C600C 2" 600 292 175 WCB ≤425 水、油品、蒸氣 " 3" " 356 230 " " " " 4" " 432 295 " " " " 6" " 559 360 " " " " 8" " 660 400 " " " " 10" " 787 460 " " " " 12" " 838 520 " " " " 14" " 889 560 " " " " 16" " 991 650 " " " " 18" " 1092 730 " " " " 20" " 1194 800 " " " " 24" " 1397 900 " " "
四、不銹鋼焊接止回閥售后服務(wù)
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