. 
沃尔达止回阀可以安装在水平管道和流向朝上的垂直管道上的任何中间位置上.
NIBCO check valves may be installed in both horizontal and vertical lines with upward flow or in any ntermediate position.
警告:如果管道内使用往算式空气压缩机,则阀门必须安装在接收机槽的下游位置上.
WARNING -Valve must be installed downstream of receiver tank if used in line with reciprocating air compressor
|
材料清单
MATERIAL LIST
| |
部件PART |
规格说明SPECIFICATION |
1 |
阀盖
Bonnnet |
青铜ASTM B 62 或 B584 合金C84400
Bronze ASTM 62 or B 584 Alloy C84400 |
2 |
阀体
Body |
青铜ASTM B 62 或 B584 合金C84400
Bronze ASTM 62 or B 584 Alloy C84400 |
3 |
铰销
Hinge Pin |
青铜ASTM B 140合金C31400或B134合金C23000
Bronze ASTM B 140 Alloy C31400 or B 134 Alloy C23000 |
4 |
阀瓣吊架
Disc Hanger |
青铜ASTM B 62
Bronze ASTM B 62 |
5 |
吊架螺母
Hanger Nut |
青铜ASTM B 97 合金C65500或 B黄铜ASTM B 16
Bronze ASTM B 97 Alloy C65500 or Brass ASTM B 16 |
6 |
阀瓣固定装置
Disc Holder |
青铜ASTM B 62
Bronze ASTM B 62 |
7 |
阀座阀瓣
Seat Disc |
Buna-N(W)聚四氟乙烯(Y)
Buna-N(W) TFE(Y) |
8 |
阀座阀瓣螺母
Seat Disc Nut |
黄铜ASTM B 16或B97合金C65500
Brass ASTM B 16 or B 97 Alloy C65500 |
9 |
铰销插栓
Hingle Pin Plug |
黄铜ASTM B 140合金C32000(图中未显示)
Bronze ASTM B 140 Alloy C32000(Not Shown) |
| 10 |
阀座阀瓣垫圈
Seat Disc Washer |
不锈钢
Stainless Steel |
*只适用于通径DN20,DN25,DN32和DN40.只适用于DN65和DN80.
*Sizes 3/4", 1" 11/4" and 11/2'only.21/2" and 3" size only. |
