截止阀的启闭件是塞形的阀瓣，密封面呈平面或锥面，阀瓣沿流体的中心线作直线运动。阀杆的运动形式，有升降杆式（阀杆升降，手轮不升降），也有升降旋转杆式（手轮与阀杆一起旋转升降，螺母设在阀体上）。截止阀只适用于全开和全关，不允许作调节和节流。
执行标准 Administer Standard
|
设计与制造 Design and Manufacture |
结构长度 |
法兰尺寸 |
压力-温度 Pressure Temperature Lating |
试验-检验 Inspection And Test |
|
GB122235 |
GB12221 |
GB9113 JB79 |
GB9131 |
GB/T13927 JB/T9092 |
压力试验 Pressure Test
|
公称压力NominalPressure |
1.6 |
2.5 |
4.0 |
6.4 |
10.0 |
16.0 |
|
强度试验 Shell Test |
2.4 |
3.8 |
6.0 |
9.6 |
15.0 |
24.0 |
|
水密封试验 Water Seal Test |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
18.0 |
|
上密封试验Backseat Test |
1.8 |
2.8 |
4.4 |
7.0 |
11.0 |
18.0 |
|
气密封试验 Air Seal Test |
0.5-0.7 |
|||||
主要零件材料及性能 Main Part Materials and Property
|
体、盖、板 Body Cover Disc |
阀杆 |
密封面 Sealing Face |
垫片 |
填料 |
工作温度℃ Working Temperature |
适用介质Suitable Medium |
|
|
WCB |
2Cr13 |
13Cr STL 木体材料 With Body Material 尼龙 Nylon |
增强柔性石墨 Enhanced Flexible Graphite 13Cr/柔性石墨 1Cr13/Flexible Graphite 08软钢 08 Soft Steal 0Cr18Ni9Ti 0Cr17Ni12Mo2Ti XD550F(T) PTFE |
柔性石墨 增强柔性石墨 Flexible Graphite Enhanced Flexible Graphite SFB/260 SFP/260 PTFE
|
≤425 |
水 蒸汽 油品 Water Steam Petroleum Ptoducts |
|
|
WC1 |
38CrMoAl 25Cr2MoV |
≤450 |
|||||
|
WC6 |
≤540 |
||||||
|
WC9 |
≤570 |
||||||
|
C5 C12 |
≤540 |
||||||
|
ZGCr5Mo |
≤200 |
硝酸类Nitric acid |
|||||
|
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
||||||
|
≤200 |
醋酸类Acetic acid |
||||||
|
ZG1Cr18Ni12Mo2Ti |
1Cr18Ni12Mo2Ti |
规格 主要尺寸和重量 Size Main Dimensions and Weight (mm kg)
|
1.6MPa |
DN |
L |
D |
D1 |
D2 |
b |
n-φd |
H |
Do |
重量 Weight |
|
凸面
法兰
16C |
10 |
130 |
90 |
60 |
40 |
14 |
4-14 |
198 |
120 |
4.9 |
|
15 |
130 |
95 |
65 |
45 |
14 |
4-14 |
218 |
120 |
5.3 |
|
|
20 |
150 |
105 |
75 |
55 |
14 |
4-14 |
258 |
140 |
7.0 |
|
|
25 |
160 |
115 | J41H-160I凹凸面法兰截止阀,
(2)阀杆和阀杆螺母的梯形螺纹磨损情况所以安装时有方向性存在着二种情况：一方面注脂量少注脂不足可将截止阀微启
(4)截止阀检修装配后不允许在运行中的截止阀上敲打、站人或支承重物;特别是非金属阀门和铸铁阀门
安装后随机标题]J41N-16K高压截止阀J41Y-160I凹凸面法兰截止阀J41W-25P常压截止阀J41W-25K法兰截止阀J41N-64P法兰截止阀J41N-25C常压截止阀J41W-64C凹凸面法兰截止阀J41F-40P法兰截止阀J41N-25C手动截止阀J41H-40C截止阀规格J41F-100P手动截止阀J41H-64I高压截止阀J41W-300LB截止阀结构口径J41W-100P常压截止阀
85 |
65 |
14 |
4-14 |
275 |
160 |
7.4 |
|
|
32 |
180 |
135 |
100 |
78 |
16 |
4-18 |
280 |
180 |
8.3 |
|
|
40 |
200 |
145 |
110 |
85 |
16 |
4-18 |
330 |
200 |
12.6 |
|
|
50 |
230 |
160 |
125 |
100 |
16 |
4-18 |
350 |
240 |
14 |
|
|
65 |
290 |
180 |
145 |
120 |
18 |
4-18 |
400 |
280 |
22.7 |
|
|
80 |
310 |
195 |
160 |
135 |
20 |
8-18 |
355 |
280 |
29 |
|
|
100 |
350 |
215 |
180 |
155 |
20 |
8-18 |
415 |
320 |
32.8 |
|
|
125 |
400 |
245 |
210 |
185 |
22 |
8-18 |
460 |
360 |
79.5 |
|
|
150 |
480 |
280 |
240 |
210 |
24 |
8-23 |
510 |
400 |
93 |
|
|
200 |
600 |
335 |
295 |
265 |
26 |
12-23 |
710 |
400 |
179 |
|
|
250 |
622 |
405 |
355 |
320 |
30 |
12-25 |
786 |
450 |
441 |
|
|
300 |
698 |
460 |
410 |
375 |
30 |
12-25 |
925 |
500 |
646 |
