氣動截止閥的主要優點
(1)與閘閥相比,截止閥的結構較簡單,制造與維修都較方便。
(2)密封面不易磨損、擦傷,密封性較好,壽命較長。
(3)啟閉時閥瓣行程較小,啟閉時間較短,閥門高度較小。
Test pressure
公稱壓力PN(MPa)Nominal pressure | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 16.0 |
殼體強度試驗Shell strength test | 2.4 | 3.8 | 6.0 | 9.6 | 15 | 24 |
上密封試驗Back seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
密封試驗Seal test | 1.8 | 2.8 | 4.4 | 7.0 | 11 | 18 |
氣動截止閥使用范圍
Scope of use
產品類型Product classification | 適用介質Suitable medium | 適用溫度(℃)Suitable temperature |
J41(H.Y)-C型 J641(H.Y)-C型 | 水、蒸汽、油品Water,steam,oilgoods | ≤425℃ ≤450℃ |
J41Y-I型 J641Y-I型 | 水、蒸汽、油品Water,steam,oilgoods | ≤550℃ |
Material for main parts:
產品類型Product classification | 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Yoke nut | 填料Packing | 緊固件Fastener | 手輪Handwheel | |
J41(H.Y)-C型 J641(H.Y)-C型 | 25、WCB | 鉻不銹鋼Cr.Stainless steel | 2Cr1325 | H:不銹鋼Y:鈷基硬質合金鋼H:Stainless steelY:Co-based carbide alloy steel | 鋁青銅Albronze | 柔性石墨Flexible graphite | 優質碳鋼High-grade carbon steel | 可鍛鑄鐵Forgeable cast-iron |
J41Y-I型J641Y-I型 | 鉻鉬鋼 Cr.Mo steel | 鉻鉬鋼Cr.Mo steel | 合金鋼Alloy steel | 鈷基硬質合金鋼C0-based carbide alloy steel | 鋁青銅Albronze | 柔性石墨Flexible graphite | 合金鋼Alloy steel | 可鍛鑄鐵Forgeable cast-iron |
Main dimensions and weight:
公稱通徑DNNominal diameter | 主要外形尺寸和連接尺寸(mm)Main external and connecting dimensions | 重量(kg)Weight | ||||||||
L | D | D1 | D2 | b | f | z-d | H | D0 | ||
J41(H.Y.B)-16C J41Y-16I | ||||||||||
10 | 130 | 90 | 60 | 40 | 14 | 2 | 4-14 | 198 | 120 | 4.7 |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-14 | 218 | 120 | 5.2 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-14 | 258 | 140 | 7.1 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-14 | 275 | 160 | 7.4 |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-18 | 280 | 180 | 8.5 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-18 | 330 | 200 | 12.5 |
50 | 230 | 160 | 125 | 100 | 18 | 3 | 4-18 | 350 | 240 | 20 |
65 | 290 | 180 | 145 | 12 | 18 | 3 | 4-18 | 400 | 280 | 25 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-18 | 355 | 280 | 35 |
100 | 350 | 215 | 180 | 155 | 22 | 3 | 8-18 | 415 | 320 | 50 |
125 | 400 | 245 | 210 | 185 | 24 | 3 | 8-18 | 460 | 360 | 75 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-23 | 510 | 400 | 100 |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-23 | 710 | 400 | 210 |
250 | 650 | 405 | 355 | 320 | 30 | 3 | 12-23 | 786 | 450 | 446 |
300 | 750 | 460 | 410 | 375 | 30 | 3 | 12-23 | 925 | 500 | 648 |