截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運動。閥桿的運動形式，有升降桿式（閥桿升降，手輪不升降），也有升降旋轉(zhuǎn)桿式（手輪與閥桿一起旋轉(zhuǎn)升降，螺母設(shè)在閥體上）。截止閥只適用于全開和全關(guān)，不允許作調(diào)節(jié)和節(jié)流。
性能范圍
型 號
|
公稱壓力
|
試驗壓力
|
工作溫度(℃)
|
適用介質(zhì)
|
||
強度(水)Mpa
|
密封(水)空氣(Mpa)
|
低壓密封(空氣)Mpa
|
||||
J41W-16P(R)
|
1.6
|
2.4
|
1.8
|
0.6
|
≤200
|
NITRIC ACID
|
硝 酸 類
|
||||||
J41W-25P(R)
|
2.5
|
3.8
|
2.8
|
0.6
|
≤200
|
ACETIC ACID
|
醋 酸 類
|
||||||
J41W-40P(R)
|
4.0
|
6.0
|
4.4
|
0.6
|
≤200
|
NITRIC ACID
|
硝 酸 類
|
||||||
J41W-64P(R)
|
6.4
|
9.6
|
7.0
|
0.6
|
≤200
|
ACETIC ACID
|
醋 酸 類
|
||||||
零件名稱
|
材 料Material
|
|
Q41W-16P-25P-40R
|
Q41W-16R-25P-40R
|
|
閥體、閥蓋
|
鉻鎳鈦鋼
Ci Ni Ti |
鉻鎳鉬鈦鋼
Ci Ni Mo Ti Steel |
閥 板
|
||
閥 桿
|
||
閥桿螺母
|
鋁鐵青銅
|
|
手 輪
|
灰鑄鐵、可鑄鍛鐵
|
|
主要連接尺寸和外形尺寸
型 號
Type |
公稱通徑
DN |
尺 寸(mm)
|
|||||||
L
|
D
|
D1
|
D2
|
H
|
b-f
|
Z-Φd
|
Do
|
||
J41W-16P(R)
|
15
|
130
|
95
|
65
|
45
|
170
|
16-2
|
4-14
|
120
|
20
|
150
|
105
|
75
|
55
|
190
|
16-2
|
4-14
|
140
|
|
25
|
160
|
115
|
85
|
65
|
205
|
16-2
|
4-14
|
160
|
|
32
|
180
|
135
|
100
|
78
|
270
|
18-2
|
4-18
|
180
|
|
40
|
200
|
145
|
110
|
85
|
310
|
18-3
|
4-18
|
200
|
|
50
|
230
|
160
|
125
|
100
|
358
|
18-3
|
4-18
|
240
|
|
65
|
290
|
180
|
145
|
120
|
373
|
18-3
|
4-18
|
280
|
|
80
|
310
|
195
|
160
|
135
|
435
|
20-3
|
8-18
|
320
|
|
100
|
350
|
215
|
180
|
155
|
500
|
20-3
|
8-18
|
360
|
|
125
|
400
|
245
|
210
|
185
|
614
|
22-3
|
8-18
|
400
|
|
150
|
480
|
280
|
240
|
210
|
674
|
24-3
|
8-23
|
400
|
|
200
|
600
|
335
|
295
|
265
|
818
|
26-3
|
12-23
|
450
|
|
250
|
730
|
405
|
355
|
320
|
969
|
30-3
|
12-25
|
550
|
|
型號
Type |
公稱通徑 DN
|
尺 寸(mm)
|
|||||||
L
|
D
|
D1
|
D2
|
H
|
b-f
|
Z-Φd
|
Do
|
||
J41W-25P(R)
|
15
|
130
|
95
|
65
|
45
|
233
|
16-2
|
4-14
|
120
|
20
|
150
|
105
|
75
|
55
|
275
|
16-2
|
4-14
|
140
|
|
25
|
160
|
115
|
85
|
65
|
285
|
16-2
|
4-14
|
160
|
|
32
|
180
|
135
|
100
|
78
|
302
|
18-2
|
4-18
|
180
|
|
40
|
200
|
145
|
110
|
85
|
355
|
18-3
|
4-18
|
200
|
|
50
|
230
|
160
|
125
|
100
|
362
|
20-3
|
4-18
|
240
|
|
65
|
290
|
180
|
145
|
120
|
400
|
22-3
|
8-18
|
280
|
|
80
|
310
|
195
|
160
|
135
|
430
|
22-3
|
8-18
|
320
|
|
100
|
350
|
230
|
190
|
160
|
465
|
24-3
|
8-23
|
360
|
|
125
|
400
|
270
|
220
|
188
|
550
|
28-3
|
8-25
|
400
|
|
150
|
480
|
300
|
250
|
218
|
700
|
30-3
|
8-25
|
400
|
|
200
|
600
|
360
|
310
|
278
|
780
|
34-3
|
12-25
|
450
|
|
250
|
730
|
425
|
370
|
335
|
900
|
36-3
|
12-30
|
550
|
|
型號
Type |
公稱通徑 DN
|
尺寸(mm)
|
|||||||
L
|
D
|
D1
|
D2
|
H
|
b-f
|
Z-Φd
|
Do
|
||
J41W-40P(R)
|
15
|
130
|
95
|
65
|
45
|
233
|
16-2
|
4-14
|
40
|
20
|
150
|
105
|
75
|
55
|
275
|
16-2
|
4-14
|
51
|
|
25
|
160
|
115
|
85
|
65
|
285
|
16-2
|
4-14
|
58
|
|
32
|
180
|
135
|
100
|
78
|
302
|
18-2
|
4-18
|
66
|
|
40
|
200
|
145
|
110
|
85
|
355
|
18-3
|
4-18
|
76
|
|
50
|
230
|
160
|
125
|
100
|
370
|
20-3
|
4-18
|
88
|
|
65
|
290
|
180
|
145
|
120
|
408
|
22-3
|
8-18
|
110
|
|
80
|
310
|
195
|
160
|
135
|
436
|
22-3
|
8-18
|
121
|
|
100
|
350
|
230
|
190
|
160
|
475
|
24-3
|
8-23
|
150
|
|
125
|
400
|
270
|
220
|
188
|
558
|
28-3
|
8-25
|
178
|
|
150
|
480
|
300
|
250
|
218
|
720
|
30-3
|
8-25
|
204
|
|
200
|
600
|
375
|
320
|
282
|
800
|
38-3
|
12-30
|
260
|
|
J41W-64P(R)
|
150
|
170
|
105
|
75
|
55
|
240
|
18-2
|
4-14
|
41
|
20
|
190
|
125
|
90
|
68
|
280
|
20-2
|
4-18
|
51
|
|
25
|
210
|
135
|
100
|
78
|
290
|
22-2
|
4-18
|
58
|
|
32
|
230
|
150
|
110
|
82
|
325
|
24-2
|
4-23
|
66
|
|
40
|
260
|
165
|
125
|
95
|
360
|
24-3
|
4-23
|
76
|
|
50
|
300
|
175
|
135
|
105
|
410
|
26-3
|
4-23
|
88
|
|
65
|
340
|
200
|
160
|
130
|
430
|
28-3
|
8-23
|
110
|
|
80
|
380
|
210
|
170
|
140
|
465
|
30-3
|
8-23
|
121
|
|
100
|
430
|
250
|
200
|
168
|
537
|
32-3
|
8-25
|
150
|
|
125
|
500
|
295
|
240
|
202
|
630
|
36-3
|
8-30
|
176
|
|
150
|
550
|
340
|
280
|
240
|
790
|
38-3
|
8-34
|
204
|
|
200
|
650
|
405
|
345
|
300
|
910
|
44-3
|
12-34
|
260
|
|
