國(guó)標(biāo)閘閥設(shè)計(jì)特性
設(shè)計(jì)標(biāo)準(zhǔn):GB/T 12234
連接法蘭:GB/T 9113,JB/T 79,HG 20596
試驗(yàn)檢驗(yàn):JB/T9092,GB/T 13927
適用介質(zhì):水、油、氣等
國(guó)標(biāo)閘閥主要部件及材料
序號(hào) | 零配件 | 主要材質(zhì) |
1 | 閥體 | WCB CF8 CF8M CF3 CF3M |
2 | 閥瓣 | WCB+D507 CF8 CF8M CF3 CF3M |
3 | 閥座 | WCB+D507Mo 304 1Cr5Mo 12Cr1MoV |
4 | 閥桿 | 20Cr13 1Cr18Ni9 0Cr18Ni2Mo2Ti 20Cr1Mo1V 25Cr2MoV |
5 | 雙頭螺柱 | 35CrMo 0Cr18Ni9 0Cr17Ni12Mo2 25Cr2MoV |
6 | 六角螺母 | 45 35CrMo 25Cr2MoV 0Cr18Ni9 0Cr17Ni12Mo2 |
7 | 墊片 | 柔性石墨+不銹鋼 |
8 | 上密封座 | 1Cr13 2Cr13 1Cr18Ni9 0Cr18Ni2Mo2Ti 20Cr1Mo1V 25Cr2MoV |
9 | 閥蓋 | WCB CF8 CF8M CF3 CF3M |
10 | 填料 | 柔性石墨 |
11 | 填料壓蓋 | WCB CF8 CF8M CF3 CF3M |
12 | 閥桿螺母 | 銅合金 |
13 | 手輪 | KTH330-08 QT400-17 |
國(guó)標(biāo)閘閥主要尺寸(1.6MPa) (mm)
尺寸 | Фd | L | D | D1 | D2 | z-Фd | |
1/2" | DN15 | 15 | 130 | 95 | 65 | 45 | 4-14 |
3/4" | DN20 | 20 | 150 | 105 | 75 | 55 | 4-14 |
1" | DN25 | 25 | 160 | 115 | 85 | 65 | 4-14 |
1-1/4" | DN32 | 32 | 180 | 135 | 100 | 78 | 4-18 |
1-1/2" | DN40 | 40 | 200 | 145 | 110 | 85 | 4-18 |
2" | DN50 | 50 | 250 | 160 | 125 | 100 | 4-18 |
2-1/2" | DN65 | 65 | 265 | 180 | 145 | 120 | 4-18 |
3" | DN80 | 80 | 280 | 195 | 160 | 135 | 8-18 |
4" | DN100 | 100 | 300 | 215 | 180 | 155 | 8-18 |
5" | DN125 | 125 | 325 | 245 | 210 | 185 | 8-18 |
6" | DN150 | 150 | 350 | 280 | 240 | 210 | 8-23 |
8" | DN200 | 200 | 400 | 335 | 295 | 265 | 12-23 |