制 Model of valve 閥門型號由7個單元組成,其含意如圖所示: The model is made of 7 units,and the meaning see to figure
2、閥類型代號用漢語拼音字母表示Use Bopomofo to express type symbol of valve
閥門類型 Body Type |
閘閥 Gate Valve |
截止閥 Glove Valve |
節(jié)流閥 Throttle Valve |
球閥 Ball Valve |
止回閥和底閥 Check Valve And Foot Valve |
蝶閥 Butterfly Valve |
代號 Number |
Z |
J |
L |
Q |
H |
D |
注:低溫(低于-40)、保溫(帶加熱套)和帶波紋管的閥門,在類型代號前分別加“D”“B”和“W”漢語拼音。 Sub-zero(under-40),Jacketed(jacketed cover)and bellows valve,plus“D”,“B”and“W”Pingying before the type symbol。
3、傳動方式代號用阿拉伯?dāng)?shù)字表示Use Arabic number to express the symbol of driving mode
傳動方式 Driving mode |
電磁動 Solenoid |
電磁-液動 Soenoid-hydraulic |
電-液動 Electro-hydraulic |
蝸輪 Wormgear |
正齒輪 Gear Wheel
|
| 代號Number |
0 |
1 |
2 |
3 |
4 |
傳動方式 Driving mode |
傘齒輪 Umbrella gear |
氣動 Pneumatic |
液動 Hydraulic |
氣-液動 Pneumatic-Hydraulic |
電動 Electric |
| 代號Number |
5 |
6 |
7 |
8 |
9 | 注:1、手輪、手柄和扳手傳動以及安全閥、減壓閥、疏水閥省略本代號。 注:2、對于氣動或流動:常開式用6k、7k表示;常閉式用6B、7B表示;氣動帶手動用6s表示;防爆電動用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、連接形式用阿拉伯?dāng)?shù)字表示Use Arabic number to express connection type
連接形式 Connection Type |
內(nèi)螺紋 Inside Screw |
外螺紋 Outside Screw |
法蘭 Flange |
焊接 Jointing |
對夾 Wafer |
代號 Number |
1 |
2 |
4 |
6 |
7 | 注:焊接包括對焊和承插焊。 Weld including B-weld and socket weld.
5、結(jié)構(gòu)形式用阿拉伯?dāng)?shù)字表示Use Arabic number to express structure type
| 代號Number |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
| 類型Type |
結(jié)構(gòu)形式Structure pattern |
閘閥 Gate Valve |
明桿Rising spindle |
暗桿Nonrising stem |
|
| 楔式Wedge |
平形式Parallel |
楔式Wedge |
彈性閘板 Spring disc |
剛性Rigidity |
單閘板 Single disc |
雙閘板 Double wedge |
單閘板 Single disc |
雙閘板 Double wedge |
單閘板 Single disc |
雙閘板 Double wedge |
截止閥 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 |
節(jié)流閥 Throttle Valve |
球閥 Ball Valve
|
|
浮動球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 |
止回閥 Check Valve |
|
升降式 Lift type |
|
旋啟式Swing |
|
直通式 Through way type |
立式 Vertical |
單瓣式 Single disc |
多瓣式 Multi disc |
雙瓣式 Double disc |
蝶閥 Butterfly Valve |
杠桿式 Lever Type |
垂直板式 |
斜直板式 |
|
|
|
6、閥座密封面或襯里材料代號用漢語拼音字母表示Use Bopomofo to express back seat or lining material
閥座密封面或襯里材料 Seat facing ing or lining material |
銅合金 Cuprum Alloy |
橡膠 Rubber |
尼龍塑料 Nylon |
氟塑料 Fluorine Plastic |
錫基油承合金 Tin alloy |
合金鋼 Alloy Steel |
| 代號Number |
T |
X |
N |
F |
B |
H |
閥座密封面或襯里材料 Seat facing ing or lining material |
滲氮鋼 Nitride steel |
硬質(zhì)合金 Carbide Alloy |
襯膠 Bottom |
襯鉛 Lead lining |
搪瓷 Porcelain enamel |
滲硼鋼 Boron steel |
| 代號Number |
D |
Y |
J |
Q |
C |
P |
注:由閥體直接加工閥座密封面材料用"W"表示,當(dāng)閥座和閥瓣(閘板)密封材料不同時,用低硬試驗(yàn)材料代號(除隔膜閥外)。 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、公稱壓略代號用阿拉伯?dāng)?shù)字表示,其數(shù)值是以兆帕(MPa)為單位的公稱壓力的10倍。用于電站工精的閥門,當(dāng)介質(zhì)最高溫度超過530℃時,其數(shù)值是以兆帕(MPa)為單位的工作壓力值的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、閥座材料代號用漢語拼音字母表示Use Bopomofo to express the symbol of seat material
| 閥體材料Body Material |
代號Number |
閥體材料Body Material |
代號Number |
| 灰鑄鐵Grayly Cast Iron |
Z |
1Cr5Mo、ZG1Cr5Mo |
I |
| 可鍛鑄鐵Forgeable Cast-Iron |
K |
1Cr18Ni9Ti、ZG1Cr18Ni9Ti |
P |
| 球墨鑄鐵Ductile Cast Iron |
Q |
1Cr18Ni12Mo2Ti、ZG1Cr18Ni12Mo2Ti |
R |
銅及銅合金 Copper and copper alloy |
T |
12CrMov、ZG12CrMov |
V |
碳鋼 Carben Steel |
C |
注:PN≤1.6MPa的灰鑄鐵和PN≥2.5MPa的碳素鋼,閥體省略本代號。 PN<1.6Mpa casting iron and PN>2.5Mpa carbonic steel,body overleap this symbol.
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