產品簡介：
1.本產品適用于液、氣介質管路和設備，做為接通和斷流之用。
2.安裝在地下管路，傳動方式采用扳手，直通式管道，流阻??；啟閉較省力，不易產生水錘現象，易于安裝。適用于受限空間，是地下管路必選產品。
3.扳手順時針為關，反之為開。
Product Brief Introduction:
1. The valve is suitable for media of liquid or gas in pipeline and device to shut off and close.
2. The valve is installed underground pipelines. Its drive type adopts wrench ; Through way flow passage and low flow resistance; saving effort in operation , uneasy to produce water hammer, easy to install. It is suitable for limited space and special product for underground pipeline.
3. It will shut when the handle rotates clockwise, otherwise, it will open.
主要性能參數： Main Performance Parameters:
公稱壓力 Nominal Pressure(MPa) | 1.0 | 1.6 |
適用溫度Suitable Temp℃ | ≤200 | ≤200 |
適用介質Suitable Media | 水、油、氣及非腐蝕性介質 Water, oils, air and no corrosive |
主要材料 Main Materials | 灰鑄鐵、黃銅、碳鋼鍍鉻、不銹鋼、聚四氟乙烯 Cast Iron，Bronze，Carbon Steel，Stainless Steel，PTFE |
執(zhí)行標準 Design Standard | GB/T 12232-2005 | 試驗標準 Test and check up standard | GB/T 13927-1992 |
主要外形尺寸及連接尺寸：
Outline Dimensions & Connection Dimensions:
DN（mm） | L | D | D1 | n-d | H (≈) | H1 | □ | ∠ |
40 | 165 | 145 | 110 | 4-18 | 225 | 63 | 35 | 1:20 |
50 | 178 | 160 | 125 | 4-18 | 336 | 63 | 35 | 1:20 |
65 | 190 | 180 | 145 | 4-18 | 378 | 63 | 35 | 1:20 |
80 | 203 | 195 | 160 | 8-18 | 335 | 63 | 35 | 1:20 |
100 | 229 | 215 | 180 | 8-18 | 377 | 63 | 35 | 1:20 |
125 | 254 | 245 | 210 | 8-18 | 426 | 63 | 35 | 1:20 |
150 | 267 | 280 | 240 | 8-22 | 480 | 63 | 35 | 1:20 |
200 | 292 | 340 | 295 | 8-22/12-22 | 570 | 63 | 35 | 1:20 |
250 | 330 | 395/405 | 350/355 | 12-22/12-26 | 698 | 63 | 35 | 1:20 |
300 | 356 | 445/460 | 400/410 | 12-22/12-26 | 760 | 63 | 35 | 1:20 |
350 | 381 | 505/520 | 460/470 | 16-22/16-26 | 853 | 75 | 48 | 1:20 |
400 | 406 | 565/580 | 515/525 | 16-26/16-30 | 947 | 75 | 48 | 1:20 |
450 | 432 | 615/640 | 565/585 | 20-26/20-30 | 1060 | 75 | 48 | 1:20 |
500 | 457 | 670/715 | 620/650 | 20-26/20-33 | 1155 | 75 | 48 | 1:20 |
600 | 508 | 780/840 | 725/770 | 20-30/20-36 | 1300 | 75 | 48 | 1:20 |
700 | 610 | 895/910 | 840 | 24-30/24-36 | 1430 | 75 | 48 | 1:20 |
800 | 660 | 1015/1025 | 950 | 24-33/24-39 | 1890 | 75 | 48 | 1:20 |
900 | 711 | 1115/1125 | 1050 | 28-33/28-39 | 2070 | 75 | 48 | 1:20 |
1000 | 811 | 1230/1255 | 1160/1170 | 28-36/28-42 | 2259 | 75 | 48 | 1:20 |
