一、DJ41Y低温截止阀执行标准:
设计与制造标准:JB/T7749-95、BS 1873、JIS B2071、JIS B2081;
结构长度标准:GB/T12221-89、ASME B16.10、JIS B2002;
压力温度标准:ASME B 16.34;
连接端:GB/T9113-2000,HG20592-97,SH3406-96GB/T12224-
DJ41Y低温截止阀的型号有DJ41Y-16、DJ41Y-16C、DJ41Y-16P、DJ41Y-25、DJ41Y-25P、DJ41Y-25R、DJ41Y-40、DJ41Y-40P、DJ41Y-40R、DJ641Y-16C、DJ641Y-25C、DJ641Y-40C、DJ641Y-16P、DJ641Y-25P、DJ641Y-40P、DJ641Y-16R、DJ641Y-25R、DJ641Y-40R、DJ9B41Y-16C、DJ9B41Y-16P、DJ9B41Y-16R、DJ9B41Y-25C、DJ9B41Y-25P、DJ9B41Y-25R、DJ9B41Y-40C、DJ9B41Y-40R、DJ9B41Y-40P等。
三、性能参数:
公称压力:1.0MPa、2.5MPa、4.0MPa;
适用温度:-45℃、-101℃、-196℃;
适用介质:丙烯、乙烯、液化天然气等低温的介质;
阀体和阀盖的材质:LCB、CF8、CF8M、CF3、CF3M;
阀瓣和阀座的材质:铬镍钢、钴铬钨;
阀杆的材质:铬镍钢;
四、外形尺寸:
称通径
|
主要外形尺寸和连接尺寸
|
H
|
L
|
D
|
D1
|
D2
|
b
|
Z-d
|
D0
|
-46℃
|
-101℃
|
-196℃
|
DJ41Y-16C DJ41Y-16P DJ41Y-16R DJ641Y-16C DJ641Y-16P DJ641Y-16R DJ9B41Y-16C DJ9B41Y-16P DJ9B41Y-16R
|
50
|
230
|
160
|
125
|
100
|
16
|
4-18
|
240
|
460
|
480
|
520
|
65
|
290
|
180
|
145
|
120
|
18
|
4-18
|
280
|
475
|
505
|
525
|
80
|
310
|
195
|
160
|
135
|
20
|
8-18
|
280
|
520
|
550
|
590
|
100
|
350
|
215
|
180
|
155
|
20
|
8-18
|
320
|
545
|
575
|
615
|
125
|
400
|
245
|
210
|
185
|
22
|
8-18
|
360
|
590
|
620
|
660
|