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Product Name:DIN Y-pattern Bellow Seal Globe Valve
DIN Y-pattern Bellow Seal Globe Valve
Main structural features:
It is applicable to the cutting and connection of pipelines medium that are used in various industries such as flue gas uerification plant, gas supply pipeline, vacuum facilities, ammonia facilities, hot water, colding & freezing system, heating technology, steam system, chemical industry, pharmacy, chemical fertilizer, electric power industry etc. The nominal pressure can be fromm 1.0 Mpa to 16.0MPa and the working temperature can be reached to 350 Celsius degree.
 
Main Structural features
1. This product has logical strucure, reliable seal, excellent performance and nice design.
2. The seal surface is overlay welded with hard chrome ally material which is attrition resistant,  corrosion ressistant, has good friction resistant and long life.
3. The stem is quenched and tempered, and its surface is treated by nitriding treatment, thus it has good corrosion resistant and friction resistant.
4. It has double seal capability, thus is more reliable for zero leakage warranty.
5. The stem show the position indicator, thus it is clearer.

Technical specification
Structural formation
BB, BG, OS&Y
Driving maner
Handwheel or motor operated
Design standard
ASME B16.34, BS1873
Face to face
ASME B16.10
Flange ends
ASME B16.5
Test and inspection
API598
 
Products performance specification
Nominal pressure
(ANSI Class)
Shell test (MPa)
Sealing test (MPa)
Suitable temperature
Suitable medium
150
3.0
2.2
No more than 350oC
Water oil & gas
300
7.5
5.5
600
15.0
11.0
900
22.5
16.5
 
Main parts materials
NO.
Part name
Material
1
Body
ASTM A216-WCB ASTM A217-WC1, WC6, WC9, C5 ASTM A351-CF8, CF8M, CF3, CF3M
2
Disc
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304, F316, F321, F304L, F316L
3
Split ring
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304, F316, F321, F304L, F316L
4
Disc bushing
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304, F316, F321, F304L, F316L
5
Stem
ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304, F316, F321, F304L, F316L
6
Gasket
Flexible graphite+stainless steel
7
Bonnet
ASTM A216-WCB ASTM A217-WC1, WC6, WC9, C5 ASTM A351-CF8, CF8M, CF3, CF3M
8
Bellows
ASTM A182-F304, F316, F321, F304L, F316L
9
Packing
Flexible graphite
10
Gland
ASTM A216-WCB ASTM A217-WC1, WC6, WC9, C5 ASTM A351-CF8, CF8M, CF3, CF3M
11
Yoke nut
ZQA19-4
12
Handwheel
ASTM A536 Gr.60-40-18, A216-WCB
13
Guide piece
25, 45, 304, 316, 304L, 316L
14
Bolt
ASTM A193-B7, A193-B7M, A320-B8, A193-B8M
15
Nut
ASTM A194-2H, A194-2HM, A194-8, A194-8M
 
Dimensions (mm) for ANSI Class 150
Size
mm
15
20
25
32
40
50
65
80
100
125
150
200
250
300
350
in
1/2
3/4
1
11/4
11/2
2
21/2
3
4
5
6
8
10
12
14
L
mm
108
117
127
140
165
203
216
241
292
356
406
495
622
698
787
H
mm
241
241
241
280
286
368
387
400
457
520
609
698
762
876
990
W
mm
120
140
140
180
200
220
260
280
300
320
340
400
450
450
450
Weight
KG
4
5
6
10
13
18
30
35
55
75
104
200
300
390
610
 
Dimensions (mm) for ANSI Class 300
Size
mm
15
20
25
32
40
50
65
80
100
125
150
200
250
300
350
in
1/2
3/4
1
11/4
11/2
2
21/2
3
4
5
6
8
10
12
14
L
mm
152
178
203
215
229
267
292
318
356
400
444
559
622
711
762
H
mm
241
241
283
320
322
399
438
450
584
610
660
762
850
1085
1187
W
mm
120
140
140
180
200
220
260
280
300
320
340
400
450
450
450
Weight
KG
6
7
10
15
20
25
30
52
88
115
160
259
420
595
876
 
Dimensions (mm) for ANSI Class 600
Size
mm
15
20
25
32
40
50
65
80
100
125
150
200
250
300
350
in
1/2
3/4
1
11/4
11/2
2
21/2
3
4
5
6
8
10
12
14
L
mm
165
190
216
229
241
292
330
356
432
508
559
660
787
838
889
H
mm
240
280
320
320
390
430
480
508
635
750
914
1016
1219
1330
1560
W
mm
140
140
160
160
180
180
250
250
350
400
450
500
600
720
760
Weight
KG
7
10
16
22
29
35
50
90
150
230
300
510
850
1120
1400
 
Dimensions (mm) for ANSI Class 900
Size
mm
15
20
25
32
40
50
65
80
100
125
150
200
250
300
350
in
1/2
3/4
1
11/4
11/2
2
21/2
3
4
5
6
8
10
12
14
L
mm
229
229
254
279
305
368
419
381
457
559
610
737
838
965
1029
H
mm
280
330
350
430
508
569
430
635
774
860
1040
1330
1560
1650
1780
W
mm
160
160
180
180
250
250
320
350
450
550
600
720
760
820
890
Weight
KG
10
16
23
37
49
65
75
120
200
350
410
790
1300
1500
1800
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