| A |
连接方式
TYPE OF CONNECTION |
| |
A |
特殊 Special |
S |
螺纹 Threaded |
| |
C |
组合式 Combination |
U |
为钻孔法兰 Undrilled flanges |
| |
F |
法兰 B16.5 Flanged, B 16.5 |
W |
承插焊接 Socket weld |
| |
|
|
|
|
| B |
通径(请参阅上述说明)
SIZE OF CONNECTION (See Explanation Above) |
| |
|
| 03 |
1/2" |
04 |
3/4" |
05 |
1" |
07 |
11/2" |
| 08 |
2" |
09 |
21/2" |
10 |
3" |
11 |
31/2" |
| 12 |
4" |
13 |
5" |
14 |
6" |
15 |
8" |
| 16 |
10" |
18 |
12" |
19 |
14" |
20 |
16" |
| 21 |
18" |
22 |
20" |
23 |
22" |
24 |
24" |
| |
|
|
|
|
|
|
|
| |
06 |
全端口闸阀 Full port gate |
09 |
针式 Needle |
| |
07 |
截断(截止阀) Stop (globe) |
11 |
旋启式止回阀 Swing check |
| |
08 |
截止止回阀 Stop check |
99 |
特制 Special |
| |
|
|
|
|
| E |
阀体/阀帽类型
BODY/BONNET STYLE |
| |
4C |
垂直螺栓阀帽 Vertical bolted bonnet |
| |
4E |
用于低温环境的加长阀帽 Extended bonnet
for cryogenic service |
|
|
| |
01 |
特制 Special |
11 |
CF8 |
| |
12 |
CF3 |
13 |
CF8M |
| |
14 |
CF3M |
15 |
CF8C |
| |
23 |
合金20 Alloy 20 |
28 |
CG8M |
| |
|
|
|
|
代号
Code |
楔板/阀瓣
阀座表面
Wedge/Disc
Surface |
阀座
表面 Seat
Surface |
阀杆 Stem |
填料
密封垫
Packing
Gasket |
| SX |
与阀体相同
Same as body |
整体
Integral |
316不锈钢
SS 316 |
聚四氟乙烯
Teflon |
| GX |
与阀体相同 Same as body |
整体 Integral |
316不锈钢 SS 316 |
Graphite |
| SY |
与阀体相同 Same as body |
钨铬钴合金
Stellite |
316不锈钢 SS 316 |
聚四氟乙烯 Teflon |
| GY |
与阀体相同 Same as body |
钨铬钴合金 Stellite |
316不锈钢 SS 316 |
石墨
Graphite |
| AA |
特制
Special |
特制 Special |
特制 Special |
特制 Special |
(3) 阀杆材料是316不锈钢或其它与阀体相同的材料,由制造商选择。
(3) Stem material is SS 316 or other material
equivalent to body at manufacturers option.. |
|