NKJ61H真空隔離焊接式截止閥
當前位置:上海滬一閥門有限公司 - 截止閥 - 真空隔離截止閥 - NKJ61H真空隔離焊接式截止閥
產品說明: |
1、本系列閥門主體采用鑄鍛結構,具有平行雙密封副半強制雙向密封,密封面到位運動和楔形塊楔緊運動分步作用實現(xiàn)零泄漏。 2、密封面運動磨擦力小、啟閉輕便,而且密封面磨損有自動補償功能。 3、結構簡單、緊湊、檢修方便,使用壽命長。 4、閥蓋填料室設有真空密封結構,具有自脹壓緊作用,并且密封采用高強膨脹材料密封,使系統(tǒng)與大氣*隔離,具有很好的系統(tǒng)氣密性。 5、本系列閥門連接形式分法蘭、焊接兩種,驅動方式有手動、電動兩種。 該閥門適用于工作溫度≤425℃和≤550℃,工作介質為水、蒸汽或空氣的管路上,作為啟閉裝置;尤其適用于火電廠汽機冷凝和真空負壓系統(tǒng),起真空隔離密封作用。 閥門結構型式 Valve ctrucure type NKJ61型真空隔離截止閥; NKJ61型閥門主要性能規(guī)范 產品類型 Product type | 殼體強度試驗/MPa Sheli strangth test | 上密封試驗/MPa Back seal test | 密封試驗/MPa Seal test | 適用介質 Applicable medium | 適用溫度/℃ Applicable temperature | NKJ61H-40 | 6.O | 4.4 | 4.4 | 水、蒸汽、空氣 Water、Steam、Air | ≤425 | NKJ61H-64 | 96 | 7.O | 7.O | NKJ61H-100 | 15.O | 11.0 | 11.O | NKJ61Y-40l | 6.O | 4.4 | 4.4 | 水、蒸汽、空氣 Water、Steam、Air | ≤550 | NKJ61Y-64l | 9.6 | 7.0 | 7.O | NKJ61Y-1OOI | 15.O | 11.O | 11.O | ·主要零件材料 Material for Main Parts 零件名稱 Part name | 閥體、閥蓋 Body Bonnet | 閥桿 Valve Stem | 閥瓣 Disc | 密封面 Sealing face | 閥桿螺母 Yokenut | 填料 Packing | 緊固件 Fasteher | NKJ61H-C型 | 25或WCB | 鉻不銹鋼 Crstain mless teel | 鉻不銹鋼 Crstain mless steel | H:合金鋼 H:alloy steel | 鋁青銅 AI bronze | 膨脹復合石墨 Expanding compound graphlte | 優(yōu)質碳鋼 High-grade carbon steel | NKJ61Y-l型 | 鉻鉬鋼 Cr.Mo steel | 20CrlM01vA 或38CrMoAlA | 12CrlMo 1VA | Y:硬質合金 Y:oarbide alloy | 鉻鉬鋼 Cr.Mo steel | | ·主要尺寸及重量 Main dimensions and weight 公稱通徑 DN/mm Nominal diameter | 公稱壓力 PN/MPa Nominal pressure | 主要外形尺寸和連接尺寸/mm Main extemal and connectingd mensions | L | H | D | D0 | D1 | L1 | α | W | 1O | 4.0 | 130 | 245 | 36 | 11 | 18.4 | 1O | - | 120 | 15 | 130 | 245 | 36 | 16 | 22.5 | 1O | - | 120 | 20 | 150 | 265 | 44 | 21 | 28.5 | 11 | - | 160 | 25 | 160 | 270 | 48 | 26 | 34.5 | 12 | - | 200 | 32 | 180 | 285 | 48 | 34 | - | - | 37o30" | 200 | 40 | 200 | 320 | 55 | 40 | - | - | 37o30" | 240 | 50 | 230 | 365 | 64 | 48 | - | - | 37o30" | 320 | 65 | 290 | 41O | 82 | 66 | - | - | 37o30" | 300 | 80 | 31O | 430 | 95 | 78 | - | - | 37o30" | 300 | 100 | 350 | 470 | 117 | 1OO | - | - | 37o30" | 350 | 125 | 400 | 500 | 143 | 126 | - | - | 37o30" | 350 | 150 | 480 | 533 | 167 | 150 | - | - | 37o30" | 400 | 1O | 6.4 | 130 | 245 | 36 | 1O | 18.4 | 1O | - | 120 | 15 | 130 | 245 | 36 | 15 | 22.5 | 1O | - | 120 | 20 | 150 | 265 | 44 | 20 | 28.5 | 11 | - | 160 | 25 | 160 | 270 | 48 | 25 | 34.5 | 12 | - | 200 | 32 | 180 | 280 | 48 | 33 | - | - | 37o30" | 200 | 40 | 200 | 320 | 55 | 39 | - | - | 37o30" | 240 | 50 | 230 | 365 | 64 | 48 | - | - | 37o30" | 320 | 65 | 290 | 41O | 82 | 65 | - | - | 37o30" | 320 | 80 | 31O | 430 | 95 | 76 | - | - | 37o30" | 360 | 100 | 350 | 470 | 117 | 98 | - | - | 37o30" | 400 | 125 | 480 | 500 | 143 | 123 | - | - | 37o30" | 400 | 150 | 480 | 533 | 167 | 148 | - | - | 37o30" | 500 | 1O | 10.O | 130 | 245 | 36 | 1O | 18.4 | 1O | - | 120 | 15 | 130 | 245 | 36 | 14 | 22.5 | 1O | - | 120 | 20 | 150 | 265 | 44 | 20 | 28.5 | 11 | - | 160 | 25 | 160 | 270 | 48 | 25 | 34.5 | 12 | - | 200 | 32 | 180 | 285 | 48 | 32 | - | - | 37o30" | 200 | 40 | 200 | 320 | 55 | 38 | - | - | 37o30" | 240 | 50 | 230 | 355 | 64 | 48 | - | - | 37o30" | 320 | 65 | 290 | 41O | 82 | 63 | - | - | 37o30" | 320 | 80 | 31O | 430 | 95 | 74 | - | - | 37o30" | 360 | 1OO | 350 | 470 | 117 | 97 | - | - | 37o30" | 400 | 125 | 400 | 500 | 143 | 123 | - | - | 37o30" | 400 | 150 | 480 | 533 | 167 | 148 | - | - | 37o30" | 500 | | | | |