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產品概述
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零泄漏。
主要結構特點及用途:
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零泄漏。
主要性能規范:
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 |
NKJ41H-40 | 6.O | 4.4 | 4.4 | 水、蒸汽、空氣 Water、Steam、Air |
≤425 |
NKJ41H-64 | 96 | 7.O | 7.O | ||
NKJ41H-100 | 15.O | 11.0 | 11.O | ||
NKJ41Y-40l | 6.O | 4.4 | 4.4 | 水、蒸汽、空氣 Water、Steam、Air |
≤550 |
NKJ41Y-64l | 9.6 | 7.0 | 7.O | ||
NKJ41Y-1OOI | 15.O | 11.O | 11.O |
主要零件材料:
零件名稱 | 閥體、閥蓋 | 閥桿 |
閥瓣 |
密封面 | 閥桿螺母 | 填料 | 緊固件 |
NKJ41H-C型 | 25或WCB | 鉻不銹鋼 | 鉻不銹鋼 |
H:合金鋼 |
鋁青銅 |
膨脹復合石墨 |
優質碳鋼 |
NKJ41Y-l型 | 鉻鉬鋼 | 25Cr2M0v | 12CrlMo 1VA | Y:硬質合金 |
鉻鉬鋼 |
公稱通徑 DN/mm |
公稱壓力 PN/MPa |
主要外形尺寸和連接尺寸/mm
|
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L | H | D | D0 | D1 | L1 | α | W | ||
10 | 4.0 | 130 | 245 | 36 | 11 | 18.4 | 10 | - | 120 |
15 | 130 | 245 | 36 | 16 | 22.5 | 10 | - | 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 | 410 | 82 | 66 | - | - | 37o30’ | 300 | |
80 | 310 | 430 | 95 | 78 | - | - | 37o30’ | 300 | |
100 | 350 | 470 | 117 | 100 | - | - | 37o30’ | 350 | |
125 | 400 | 500 | 143 | 126 | - | - | 37o30’ | 350 | |
150 | 480 | 533 | 167 | 150 | - | - | 37o30’ | 400 | |
1O | 6.4 | 130 | 245 | 36 | 10 | 18.4 | 10 | - | 120 |
15 | 130 | 245 | 36 | 15 | 22.5 | 10 | - | 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 | 410 | 82 | 65 | - | - | 37o30’ | 320 | |
80 | 310 | 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 | |
10 | 10.0 | 130 | 245 | 36 | 10 | 18.4 | 10 | - | 120 |
15 | 130 | 245 | 36 | 14 | 22.5 | 10 | - | 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 | 410 | 82 | 63 | - | - | 37o30’ | 320 | |
80 | 310 | 430 | 95 | 74 | - | - | 37o30’ | 360 | |
100 | 350 | 470 | 117 | 97 | - | - | 37o30’ | 400 | |
125 | 400 | 500 | 143 | 123 | - | - | 37o30’ | 400 | |
150 | 480 | 533 | 167 | 148 | - | - | 37o30’ | 500 |