锻钢闸阀整体法兰端阀门有三种阀盖设计，第一种是螺栓型阀盖，通过凹凸面连接，采用不锈钢带与柔性石墨缠绕垫片，按需求也可采用环连接，第二种是焊接型阀盖，通过螺纹密封后焊接，按需求也可直接采用刚性焊接，第三种是自密封阀盖，通过螺纹与自密封阀盖连接。
整体法兰端阀门结构设计可用在闸阀、截止阀、立升式止回阀和旋启式止回阀。
锻钢闸阀制造按API 602,BS5352,ANSI B16.34.
试验与验收按API 598,标识按照MSS SP-25.
1.全通径或缩径
2.结构长度按ANSI/ASME B16.10
3.法兰按ANSI/ASME B16.5
4.自密封阀盖
5.明杆带支架
6.两端自动调整的填料压套；
7.本体倒密封
8.整体阀体法兰
9.对焊端按ANSI/ASME B16.25
10.环连接阀体阀盖垫片
11.用缠绕式垫片的螺栓型阀盖、螺纹密封、焊接型阀盖，或自密封阀盖
|
序号
NO.
|
名 称
|
美标碳钢
CS to ASTM
|
美标合金钢
AS to ASTM
|
美标不锈钢钢
SS to ASTM
|
|
Part Name
|
Type A 105
|
Type F22
|
Type F304(L)
|
Type F316(L)
|
|
1
|
阀体
|
Body
|
A105
|
A182 F22
|
A182 F304(L)
|
A182 F316(L)
|
|
2
|
阀座
|
Seat Ring
|
A276 420
|
A276 304
|
A276 304(L)
|
A276 316(L)
|
|
3
|
闸板
|
Wedge
|
A276 410&430
|
A182 F304
|
A182 F304(L)
|
A182 F316(L)
|
|
4
|
阀杆
|
Wtem
|
A182 F6
|
A182 F304
|
A182 F304(L)
|
A182 F316(L)
|
|
5
|
垫片
|
Gasket
|
Corrugated SS+graphite
|
SS+PTFE
|
|
6
|
阀盖
|
Bonnet
|
A105
|
A182 F22
|
A182 F304(L)
|
A182 F316(L)
|
|
7
|
螺栓
|
Bonnet Bolt
|
A193 B7
|
A193 B16
|
A193 B8
|
A193 B8M
|
|
8
|
销
|
Pin
|
A276 T410
|
A276 304
|
|
9
|
填料压套
|
Gland
|
|
A182 F304(L)
|
A182 F316(L)
|
|
10
|
活节螺丝
|
Gland Eyebolt
|
A193 B7
|
A193 B16
|
A193 B8
|
A193 B8M
|
|
11
|
填料压盖
|
Gland Flange
|
A105
|
A182 f11
|
A182 F304(L)
|
A182 F316 (L)
|
|
12
|
螺母
|
Gland Nut
|
A194 2H
|
A194 4
|
A194 8
|
A194 8M
|
|
13
|
阀杆螺母
|
Stem Nut
|
A276 410/Cu-Alloy(铜合金)
|
|
14
|
手轮锁紧螺母
|
H.W.Lock Nut
|
A194 2H
|
A194 4
|
A194 8
|
A194 8M
|
|
15
|
铭牌
|
Nameplate
|
SS
|
|
16
|
手轮
|
Handwheel
|
A197
|
|
17
|
衬垫
|
Bearing Gasket
|
A473 431
|
|
18
|
填料
|
Stem Packing
|
Flexible Graphite
|
PTFE
|
|
适用介质 Suitable Medium
|
(水、油、气等)W.O.G.etc
|
(酸类)HNO3,CH3OOH etc
|
|
适用温度 Suitable Temperature
|
-29℃～425℃
|
-29℃～550℃
|
-29℃～180℃
|
注：可按要求采用其他材料 Note:Other materials are available upon request.
CS=碳钢 AS=合金钢 SS=不锈钢 CS=Carbon Steel;AS=Alloy Steel;SS=Stainless Steel;
|
通径 NPS
|
1/2
|
3/4
|
1
|
1/4
|
1 1/2
|
2
|
|
L(RF) L1(BW)
|
150
|
108
|
117
|
127
|
140
|
165
|
178
|
|
300
|
140
|
152
|
165
|
178
|
190
|
216
|
|
600
|
165
|
190
|
216
|
229
|
241
|
292
|
|
H(OPEN)
|
150，300
|
158
|
169
|
197
|
236
|
246
|
283
|
|
600
|
169
|
197
|
236
|
246
|
283
|
320
|
|
W
|
100
|
100
|
125
|
160
|
160
|
180
|
|
Weights
|
150
|
RF
|
4.5
|
5.2
|
8.2
|
11.5
|
12.5
|
20.3
|
|
BW
|
2.8
|
3.3
|
5.4
|
7.1
|
8.2
|
12.5
|
|
300
|
RF
|
4.8
|
6.2
|
9.3
|
14
|
15.5
|
23.4
|
|
BW
|
3.5
|
4.4
|
6.8
|
8.1
|
9.2
|
15.4
|
|
600
|
RF
|
5.9
|
7.4
|
10.4
|
16.2
|
17.5
|
28.3
|
|
BW
|
4.5
|
5.1
|
8.2
|
10.5
|
12.4
|
20.1
|
|
通径 NPS
|
1/2
|
3/4
|
1
|
1/4
|
1 1/2
|
2
|
|
L(RTJ)
|
900，1500
|
216
|
229
|
254
|
279
|
305
|
368
|
|
L1(BW)
|
900,1500
|
216
|
229
|
254
|
279
|
305
|
368
|
|
H(OPEN)
|
197
|
197
|
236
|
246
|
283
|
330
|
|
W
|
125
|
125
|
160
|
160
|
180
|
200
|
|
Weights
|
RTJ
|
7.2
|
11.5
|
15.6
|
16.2
|
22.6
|
32.8
|
|
BW
|
5.2
|
9.3
|
12.4
|
13.8
|
18.9
|
27.5
|
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