美國（史威）SWEK式鍛壓硬密封三段球閥
人性化設計特點：
1、手柄上帶有鎖定裝置，限位開關，防止誤操作，更加安全可靠。
2、閥門通道有通徑和縮徑兩種類型。
3、操作輕便可靠。
4、防飛出閥桿設計。
5、閥杯寫球體連接處有防靜電裝置。
6、連接方式：螺紋、承插焊、對焊（可延長閥體）。
7、符合API607防火設計。
1. The valve has limiting and locking device on the handle. the operation error can be prevented
2. The valve channel is full sized port and reduced port.
3. The valve can be operated reliably and lightly.
4. The stem is designed to prevent flying out.
5. There is antistatic device in the connection between the stem and sphere.
6. Connection: Thread, Socket welded, Butt welded(The body can be extensed.
4. Design standard for fire protection is API607.
連接尺寸（Class800,1500LB）
DN | L | D | d | f | H | H1 | W | D1 | M |
10 | 105 | 17.8 | 10 | 10 | 61 | 95 | 165 | 35 | NPT BSP G RC |
15 | 105 | 22 | 15 | 10 | 61 | 95 | 165 | 35 |
20 | 113 | 27.3 | 20 | 13 | 67 | 100 | 165 | 40 |
25 | 125 | 34 | 25 | 13 | 70 | 100 | 165 | 48 |
32 | 135 | 42.8 | 32 | 13 | 85 | 125 | 180 | 62 |
40 | 160 | 48.9 | 38 | 13 | 95 | 135 | 200 | 66 |
50 | 170 | 61.4 | 50 | 16 | 102 | 145 | 200 | 80
|
零件及材質
序號 | 名稱 | 材料 |
1 | 中體 | A105 | F304 | F316 | F304L |
2 | 閥蓋 | A105 | F304 | F316 | F304L |
3 | 墊片 | 304+石墨 |
4 | 彈簧墊 | 65Mn | 304 |
5 | 雙頭螺栓 | A193 B7 | A193 B8 |
6 | 螺母 | A194 2H | A194 8 |
7 | 閥座 | A276 420 | 304 | 316 | 304L |
8 | 球體 | A276 420 | 304 | 316 | 304L |
9 | 閥桿 | F6a | 304 | 17-4PH | 304L |
10 | 閥桿墊 | PTFE/RPTFE/碳纖維 |
11 | 填料 | PTFE/柔性石墨/V型填料 |
12 | 調料壓蓋 | F304 |
13 | 壓蓋 | WCB | CF8 | CF8M | CF3 |
14 | 內六角螺釘 | A193 B7 |
|
15 | 手柄 | WCB+Zn |
16 | 螺母 | A194 2H | A194 8 |
17 | 密封圈 | 柔性石墨 |
18 | 墊片 | 304 |
19 | 碟簧 | Inconel X750 |
部分業績：
1、新疆五彩灣電廠
2、河北國外定州電廠
……
