KGU氨基甲酸乙酯刀闸阀
KGU Urethane Knife Gate Valves
一件式定点浇铸氨基甲酸乙酯衬垫专用于处理采矿业中的研磨泥浆和干燥物质。坚固耐用的不锈钢闸板，经久耐用的填料，不锈钢阀杆，耐腐蚀轭架轴套，重型坚固的上部结构。
One-piece cast-in-place urethane liner designed
especially for handling abrasive slurries and dry materials in the mining
industry. Rugged stainless steel gate, long-life packing, stainless steel
stem, corrosion resistant yoke sleeve, and heavy duty superstructure.
结构材质
Materials of Construction
项目
Item |
通径范围
Size Range |
特点/材质
Characteristic/Material |
A1
阀体
Body |
所有通径
All Sizes |
铸铁ASTM A 126, B级，
带氨基甲酸乙酯衬垫
Cast iron ASTM A 126, Class B
with urethane liner |
A2
填料
Packing |
所有通径
All Sizes |
C，方形编制聚四氟乙烯
内注人造纤维
C, Square braided PTFE
impregnated synthetic fiber |
A3
闸板
Gate |
所有通径
All Sizes |
304不锈钢，
ASTM A240，类型304
304 stainless steel,
ASTM A 240, Type 304 |
316不锈钢，
ASTM A240，类型316
316 stainless steel,
ASTM A 240, Type 316 |
A4
填料密封装置
Packing Gland |
DN100
4"
(100 mm) |
316不锈钢，
ASTM A743，等级CF-8M
316 stainless steel,
ASTM A 743, Grade CF-8M |
DN150~DN600
6-24"
(150-600 mm) |
球墨铸铁，ASTM A536
带P006塑料涂层
Ductile iron, ASTM A 536
with P006 plastic coating |
A10
阀座材质
Seat Material |
所有通径
All Sizes |
氨基甲酸乙酯
Urethane |
B5
轭架轴套
Yoke Sleeve |
DN100~DN300
4-12"
(100-300 mm) |
铝青铜，
ASTM B 148合金C95200
Aluminum bronze,
ASTM B 148 Alloy C95200 |
DN350~DN600
14-24"
(350-600 mm) |
球墨铸铁，ASTM A536
无电镀镍涂层
Ductile iron, ASTM A 536,
electroless nickel coated |
阀门选型
Valve Selection
流量系数Cv/Kv值，K系数，开启面积
Cv/Kv Valves, K Factors, Area of Opening
阀门通径
Valve Size |
金属阀座，圆形端口流道
Metal Seated, Round Port |
Cv*
Kv*
100%开启
100% Open |
K系数**
K Factor** |
开启面积
Area of
Opening
cm2
in2 |
DN100
4" |
880
761 |
0.30 |
28
11 |
DN150
6" |
2190
1890 |
0.25 |
66
26 |
DN200
8" |
4190
3620 |
0.21 |
119
47 |
DN250
10" |
5760
4980 |
0.27 |
163
64 |
DN300
12" |
8760
7580 |
0.24 |
241
95 |
DN350
14" |
11600
10000 |
0.21 |
312
123 |
DN400
16" |
15400
13300 |
0.20 |
411
162 |
DN450
18" |
19300
16700 |
0.21 |
521
205 |
DN500
20" |
24600
21300 |
0.20 |
648
255 |
DN600
24" |
36100
31200 |
0.20 |
950
374 |
| * |
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: |
|
|
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 |
|
|
关断性能
Shutoff Capabilities
氨基甲酸乙酯阀座
Urethane Seats |
无泄漏/零泄漏
Leak tight/zero leakage |
压力等级
Pressure Rating
阀门通径
Valve Size |
直流压力
Direct Pressure |
倒流压力
Reverse Pressure |
4-12"
DN100 - DN300 |
150 psi C.W.P.
1030 kPa C.W.P. |
150 psi C.W.P.
1030 kPa C.W.P. |
14-24"
DN350 - DN600 |
50 psi C.W.P.
350 kPa C.W.P. |
75 psi C.W.P.
520 kPa C.W.P. |
|
