阀门概述||阀门原理||阀门结构尺寸||阀门选型

进口闸阀

进口气动刀型闸阀

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  • 品牌:美国威盾
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KBD双向刀闸阀技术规格说明(2)
KBD Bi-Directional Knife Gate Valve
Technical Specifications (2)
美国威盾阀门
 
     

阀门选型
Valve Selection

流量值Cv/Kv,K系数,开启面积
Cv/Kv Values, K Factors, Area of Opening

阀门
通径

Valve
Size
金属阀座,圆形流道
Metal Seated, Round Port
Kv*
Cv*
100%开启
100% Open
K系数
K Factor
**
开启面积
Area of
Opening

平方厘米
cm2
in2
DN80
3
489
565
0.25 46
7.1
DN100
4
900
1040
0.22 84
13
DN150
6
2110
2440
0.20 187
29
DN200
8
3860
4460
0.18 323
50
DN250
10
5410
6250
0.23 445
69
DN300
12
8130
9400
0.21 658
102

关闭能力
Shutoff Capability

弹性阀座
Resilient Seats
零泄漏
Leak tight/zero leakage

压力等级
Pressure Rating

DN80~DN300
3-12"
150 psi冷水工作压力 (1030 kPa)
150 psi C.W.P. (1030 kPa)
 
* Cv = 在压降1 psi下的流量,单位为美制加仑/分钟
Cv = Flow in GPM of water at 1 psi pressure drop.
Kv = 在压降100 kPa下的流量,单位为立方米/小时
Kv = Flow in m3/hr. of water at 100 kPa pressure drop.
** 根据下列公式可以用来计算的管道有效长度:
The equivalent length of pipe may be calculated according to the following formula:
     
L =  K x D .
  f
在此
Where
L = 管道有效长度,单位为英尺
L = Equivalent length of pipe in feet
K = 系数 - 阀门的阻流系数
K = factor - Resistance coefficient of valve
D = 管道直径,单位为英尺
D = Pipe diameter in feet
f = 摩擦系数,与管道类型有关
f = Friction factor, relating to type of pipe
     

阀门与执行器重量
Valve & Actuator Weights

阀门
通径

Valve
Size
带手轮的阀门
Valve with
Handwheel
附加链轮*
Chainwheel
Adder*
公斤Kg
磅Lbs
公斤Kg
磅Lbs
DN80
3
13
29
5
12
DN100
4
17
37
5
12
DN150
6
25
56
7
16
DN200
8
42
92
7
16
DN250
250
68
150
17
37
DN300
12
88
195
17
37
 

气动执行器重量
Cylinder Weights

气动执行器
型号

Cylinder
Size
附加气动
执行器*
Cylinder
Adder*
公斤Kg
磅Lbs
C4 7
15
C6 17
38
C8 29
63
C10 59
130
C12 82
180
* 附加在手轮操作阀门上的重量。
* Add to Handwheel Actuated Valve weight.

 

订购
Ordering

  如果要订购,只需根据所提供的资料简单地写出阀门的订购代码型号即可。下列所列出的订购范例供参考。
  To order, simply complete the valve order code from information shown. An ordering example is shown for your reference.
     

阀门类型
Valve Style
写出下列阀门类型代码:
Give valve style code as follows:

KBD = 双向刀闸阀
KBD = Bi-Directional Knife Gate Valve

 

阀门通径
Valve Size
写出下列阀门通径代码:
Give valve size code as follows:

3
4
6
= 3" (DN80)
= 4" (DN100)
= 6" (DN150)
  8
10
12
= 8" (DN200)
= 10" (DN250)
= 12" (DN300)
 

连接方式
End Style
写出下列连接方式代码:
Give end style code as follows:

L1
L1
L110
L110
L116
L116
L1J1
L1J1
L1DA
L1DA
L1EA
L1EA
L1T
L1T
= 法兰,ANSI 150
= Lugged ANSI 150
= 法兰,ISO 7005-1, DIN 10或BS4504/PN10
= Lugged, ISO 7005-1, DIN 10 or BS4504/PN10
= 法兰,ISO 7005-1, DIN 16或BS4504/PN16
= Lugged, ISO 7005-1, DIN 16 or BS4504/PN16
= 法兰,JIS10
= Lugged, JIS10
= 法兰,AS2129表D
= Lugged, AS2129 Table D
= 法兰,AS2129表E
= Lugged, AS2129 Table E
= 法兰,ANSI 150,带贯穿式螺栓法兰
= Lugged, ANSI 150 with through bolting flange
注:对于其它螺栓孔形式的贯穿式螺栓法兰连接方式,请咨询工厂。
Note: For lugged through bolting with other drillings, consult factory.
 

阀体材质
Body Material
写出下列阀体材质代码:
Give body material code as follows:

S1
S1
S2
S2
S3
S3
= 304不锈钢
= 304 Stainless Steel
= 316不锈钢
= 316 Stainless Steel
= 317不锈钢
= 317 Stainless Steel
 

阀体类型
Body Style
写出下列阀体类型代码:
Give body style code as follows:

C = 铸造
C = Cast

 

密封填料材质
Packing Material
写出下列密封填料材质代码:
Give packing material code as follows:

C = 方形编织PTFE,内含人造纤维,适用于260oC
Square Braided PTFE Impregnated Synthetic Fiber to
500oF (260oC)
CW = 方形编织PTFE,内含人造纤维,带一个铜线编织刮片的环,适用于260oC
Square Braided PTFE Impregnated Synthetic Fiber with
one ring of Copper Wire Braided Scraper to 500oF (260oC)
ZJ =

方形编织PTFE,内含人造纤维,带一个PTFE芯制作的环,适用于260oC
Square Braided PTFE Impregnated Synthetic Fiber with
one ring of PTFE Cord to 500oF (260oC)

 

弹性阀座材质
Resilient Seat Material
写出下列阀座材质代码:
Give seat material code as follows:

CR = 氯丁二烯,适用于83oC
Chloroprene to 180oF (83oC)
NBR = 丙烯腈-丁二烯,适用于83oC
Acrylonitrile-Butadiene to 180oF (83oC)
CSM = 氯磺化聚乙烯橡胶,适用于94oC
Chloro-Sulfonyl-Polyethylene to 200oF (94oC)
FKM = 氟橡胶,适用于204oC
Fluoro Rubber to 400oF (204oC)
EPDM = 三元乙丙橡胶,适用于122oC
Terpolymer of Ethylene, Propylene and a Diene to 250oF (122oC)
注:
Note:
阀门选型的限制因素是密封填料或阀座的最低温度限制。
The limiting factor in valve selection is the lowest temperature limit of the packing or seat.
 

订购范例:
Ordering Example:

KBD,4,L1,S1,C,C,CR*MN-HD8-CS

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