1、阀门的型号编制 Model of valve
阀门型号由7个单元组成，其含意如图所示：
The model is made of 7 units,and the meaning see to figure
2、阀类型代号用汉语拼音字母表示Use Bopomofo to express type symbol of valve
阀门类型
Body Type |
闸阀
Gate Valve |
截止阀
Glove Valve |
节流阀
Throttle Valve |
球阀
Ball Valve |
止回阀和底阀
Check Valve And Foot Valve |
蝶阀
Butterfly Valve |
|
代号
Number |
Z |
J |
L |
Q |
H |
D |
注：低温（低于-40）、保温（带加热套）和带波纹管的阀门，在类型代号前分别加“D”“B”和“W”汉语拼音。
Sub-zero（under-40），Jacketed（jacketed cover）and bellows valve，plus“D”，“B”and“W”Pingying before the type symbol。
3、传动方式代号用阿拉伯数字表示Use Arabic number to express the symbol of driving mode
|
传动方式
Driving mode |
电磁动
Solenoid |
电磁-液动
Soenoid-hydraulic |
电-液动
Electro-hydraulic |
蜗轮
Wormgear |
正齿轮
Gear Wheel
|
| 代号Number |
0 |
1 |
2 |
3 |
4 |
|
传动方式
Driving mode |
伞齿轮
Umbrella gear |
气动
Pneumatic |
液动
Hydraulic |
气-液动
Pneumatic-Hydraulic |
电动
Electric |
| 代号Number |
5 |
6 |
7 |
8 |
9 |
注：1、手轮、手柄和扳手传动以及安全阀、减压阀、疏水阀省略本代号。
注： 2、对于气动或流动：常开式用6k、7k表示；常闭式用6B、7B表示；气动带手动用6s表示；防爆电动用9B表示。
1.Hand wheel,lever and spanner driving and safety valve,pressure reducing valve,traps overleap this symbol.
2.As to Pneumatic and flow:normally open use 6k,7k to espress,normally close use 6B,7B to express,pneumatic with manual use 6s to express,explosion resistance electric use 9B to express.
4、连接形式用阿拉伯数字表示Use Arabic number to express connection type
|
连接形式
Connection Type |
内螺纹
Inside Screw |
外螺纹
Outside Screw |
法兰
Flange |
焊接
Jointing |
对夹
Wafer |
| 代号 Number |
1 |
2 |
4 |
6 |
7 |
注：焊接包括对焊和承插焊。
Weld including B-weld and socket weld.
5、结构形式用阿拉伯数字表示Use Arabic number to express structure type
| 代号Number |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
| 类型Type |
结构形式Structure pattern |
|
闸阀
Gate Valve |
明杆Rising spindle |
暗杆Nonrising stem |
|
| 楔式Wedge |
平形式Parallel |
楔式Wedge |
弹性闸板
Spring disc |
刚性Rigidity |
单闸板
Single disc |
双闸板
Double wedge |
单闸板
Single disc |
双闸板
Double wedge |
单闸板
Single disc |
双闸板
Double wedge |
截止阀
Globe Valve |
|
直通式
Through
way type |
|
|
角式
Angle type |
直流式
Oblique type |
平衡Bakabce |
直角式
Angle type |
直通式
Through way type |
节流阀
Throttle Valve |
球阀
Ball Valve
|
|
浮动球Float Ball |
固定球Fixed ball |
直通式
Through way type |
丫型三通式
Yee three way |
|
L型三通式
lee three way |
T型三通式
tee three way |
四通式
Four way |
直通式
Through way type |
止回阀
Check Valve |
|
升降式
Lift type |
|
旋启式Swing |
|
直通式
Through way type |
立式
Vertical |
单瓣式
Single disc |
多瓣式
Multi disc |
双瓣式
Double disc |
蝶阀
Butterfly Valve |
杠杆式
Lever Type |
垂直板式 |
斜直板式 |
|
|
|
6、阀座密封面或衬里材料代号用汉语拼音字母表示Use Bopomofo to express back seat or lining material
阀座密封面或衬里材料
Seat facing ing or lining material |
铜合金
Cuprum Alloy |
橡胶
Rubber |
尼龙塑料
Nylon |
氟塑料
Fluorine Plastic |
锡基油承合金
Tin alloy |
合金钢阀门
Alloy Steel |
| 代号Number |
T |
X |
N |
F |
B |
H |
阀座密封面或衬里材料
Seat facing ing or lining material |
渗氮钢
Nitride steel |
硬质合金
Carbide Alloy |
衬胶
Bottom |
衬铅
Lead lining |
搪瓷
Porcelain enamel |
渗硼钢
Boron steel |
| 代号Number |
D |
Y |
J |
Q |
C |
P |
注：由阀体直接加工阀座密封面材料用"W"表示，当阀座和阀瓣（闸板）密封材料不同时，用低硬试验材料代号（除隔膜阀外）。
Use "W" to express seat facing ring material which process directly by valve body,when seat and discsealing material are different,use low hardness material symbol to express (except diaphragm valve).
7、公称压略代号用阿拉伯数字表示，其数值是以兆帕（MPa）为单位的公称压力的10倍。用于电站工精的阀门，当介质最高温度超过530℃时，其数值是以兆帕（MPa）为单位的工作压力值的10倍。
Use Arabic number to express symbol of nominal pressure,and numerical ＆#118alue is ten double wo-rking pressure ＆#118alue regard MPa as unit.
8、阀座材料代号用汉语拼音字母表示Use Bopomofo to express the symbol of seat material
| 阀体材料Body Material |
代号Number |
阀体材料Body Material |
代号Number |
| 灰铸铁Grayly Cast Iron |
Z |
1Cr5Mo、ZG1Cr5Mo |
I |
| 可锻铸铁Forgeable Cast-Iron |
K |
1Cr18Ni9Ti、ZG1Cr18Ni9Ti |
P |
| 球墨铸铁Ductile Cast Iron |
Q |
1Cr18Ni12Mo2Ti、ZG1Cr18Ni12Mo2Ti |
R |
铜及铜合金
Copper and copper alloy |
T |
12CrMov、ZG12CrMov |
V |
碳钢
Carben Steel |
C |
注：PN≤1.6MPa的灰铸铁和PN≥2.5MPa的碳素钢，阀体省略本代号。
PN<1.6Mpa casting iron and PN>2.5Mpa carbonic steel,body overleap this symbol. |
