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Electric butt welding hard sealing butterfly valve


Product model: D963H / W

Nominal diameter: DN80 ~ 2000mm (NPS 3 "~ 80")

Nominal pressure: PN0.6 ~ 4.0Mpa

Applicable temperature: carbon steel: - 29 ℃ ~ 425 ℃, stainless steel: - 40 ℃ ~ 600 ℃

Applicable media: water, steam, oil, acid, corrosive, etc

Driving type: Electric

Welding standard: GB1224; ANSI B16.25;  DIN2559

Structure length: GB / T12221-1989; API609

Pressure test: GB / T13927-1992; API598


PRODUCT OVERVIEW

Electric butt welding hard seal butterfly valve adopts three eccentric structure. This valve is designed to be an ideal hard seal butterfly valve with bubble seal in high temperature, high pressure and fire protection applications. Due to the welding structure, the plane of the valve and the pipeline reaches permanent zero leakage. The welded butterfly valve has no flange, which brings great convenience to the thermal insulation and binding of the pipeline. It is widely used in thermal power, petroleum, chemical industry, electric power, metallurgy, food, medicine, light textile, papermaking and other industries. It can be installed on industrial pipe networks with temperature ≤ 425 ℃ and medium such as gas, air, steam, water, seawater and oil products for regulating flow and cutting off medium.


PRODUCT FEATURES

1. Compact structure, small volume, light weight, flexible operation and convenient use;

2. It adopts three-dimensional eccentric elastic or multi-level hard sealing structure, with reliable sealing performance and zero leakage;

3. The valve has no flange, which brings great convenience and beauty to the pipeline and thermal insulation binding;

4. It has the characteristics of high temperature resistance, high pressure resistance, corrosion resistance and wear resistance.


MAIN TECHNICAL PARAMETERS

Nominal diameter
DN（mm）80～2000
Nominal diameter
PN（MPa）
0.6
1.0
1.6
2.5
4.0
Nominal diameterPs(MPa)
strength test
0.9
1.5
2.4
3.75
6.0
Sealing test
0.66
1.1
1.76
2.75
4.4
Airtight seal test
0.6
0.6
0.6
0.6
0.6
Applicable media
Corrosivity of water, steam, oil products, acids, etc
Applicable temperature
Carbon steel: - 29 ℃ ~ 425 ℃, stainless steel:-40℃～600℃


MATERIAL OF MAIN PARTS

Part name
Material Science
valve body
Cast steel, stainless steel, chromium molybdenum steel and special materials
Disc
Cast steel, alloy steel (hard chromium plating), stainless steel, chromium molybdenum steel and special materials
seal ring
Stainless steel, anti-wear material
Valve stem
2Cr13、1Cr13Stainless steel, chromium molybdenum steel
Filler
Flexible graphite


MAIN CONNECTION DIMENSIONS（PN0.6MPa）

Nominal diameterOverall dimension (reference value)Reference weight（kg）
mminchLDdHH1L1L2
600
24
390
636
602
499
1280
570
660
450
700
28
430
726
692
566
1480
750
550
660
800
32
470
826
792
632
1608
750
550
780
900
36
510
926
892
693
1857
750
550
820
1000
40
550
1028
992
757
2038
900
750
1460
1200
48
630
1228
1192
851
2237
1000
925
1590
1400
56
710
1428
1392
876
2411
1000
925
2185
1600
64
790
1628
1592
1095
2756
1000
925
3210
1800
72
870
1828
1792
1214
3093
1100
980
4090
2000
80
950
2028
1992
1332
3355
1100
980
5610


MAIN CONNECTION DIMENSIONS（PN1.0MPa）

Nominal diameterOverall dimension (reference value)Reference weight（kg）
mminchLDdHH1AB
600
24
390
636
602
499
1280
570
660
465
700
28
430
726
692
566
1480
750
550
680
800
32
470
826
792
632
1608
750
550
810
900
36
510
926
892
693
1857
750
550
860
1000
40
550
1028
992
757
2038
900
750
1625
1200
48
630
1228
1192
851
2237
1000
925
1770
1400
56
710
1428
1392
876
2411
1000
925
2426
1600
64
790
1628
1592
1095
2756
1000
925
3560
1800
72
870
1828
1792
1214
3093
1100
980
4545
2000
80
950
2028
1992
1332
3355
1100
980
6230


MAIN CONNECTION DIMENSIONS（PN1.6MPa）

Nominal diameterOverall dimension (reference value)Reference weight（kg）
mminchLDdHH1AB
80
3
180
90
78
90
356
180
200
27
100
4
190
110
96
100
375
180
200
34
125
5
200
135
121
113
401
180
200
41
150
6
210
161
146
130
450
270
280
43
200
8
230
222
202
205
545
400
425
81
250
10
250
278
254
235
630
400
425
102
300
12
270
330
303
275
715
450
560
132
350
14
290
382
351
309
817
450
560
164
400
16
310
432
398
346
923
535
580
193
450
18
330
484
450
932
1059
535
580
238
500
20
350
535
501
427
1126
535
580
302
600
24
390
636
602
509
1369
570
660
457
700
28
430
726
692
572
1492
750
550
810
800
32
470
826
792
638
1622
750
550
1093
900
36
510
926
892
700
1924
750
550
1410
1000
40
550
1028
992
765
2054
900
750
1870
1200
48
630
1228
1192
860
2259
1000
925
2082
1400
56
710
1428
1392
986
2610
1000
925
2850
1600
64
790
1628
1592
1106
2856
1000
925
4235
1800
72
870
1828
1792
1226
3121
1100
980
5346
2000
80
950
2028
1992
1345
3385
1100
980
7328


MAIN CONNECTION DIMENSIONS（PN2.5MPa）

Nominal diameterOverall dimension (reference value)Reference weight（kg）
mminchLDdHH1AB
80
3
180
90
78
90
356
180
200
38
100
4
190
110
96
106
387
180
200
40
125
5
200
135
121
122
413
180
200
60
150
6
210
161
146
136
459
270
280
65
200
8
230
222
202
215
585
400
425
85
250
10
250
278
254
247
649
400
425
135
300
12
270
330
303
288
771
450
560
175
350
14
290
382
351
333
929
450
560
195
400
16
310
432
398
359
993
535
580
295
450
18
330
484
450
405
1053
535
580
350
500
20
350
535
501
444
1245
535
580
510
600
24
390
636
602
521
1750
570
660
625
700
28
430
726
692
586
1519
750
550
925
800
32
470
826
792
659
1659
750
550
1260
900
36
510
926
892
720
1829
750
550
1790
1000
40
550
1028
992
780
1949
900
750
1940
1200
48
630
1228
1192
889
2243
1000
925
2810
1400
56
710
1428
1392
1000
2462
1000
925
3500


MAIN CONNECTION DIMENSIONS（PN4.0MPa）

Nominal diameterOverall dimension (reference value)Reference weight（kg）
mminchLDdHH1AB
80
3
180
90
78
108
430
180
200
39
100
4
190
110
96
108
392
180
200
50
125
5
200
135
120
120
414
180
200
75
150
6
210
161
145
135
494
270
280
100
200
8
230
222
200
202
578
400
425
135
250
10
250
278
252
235
673
400
425
190
300
12
270
330
301
280
793
450
560
240
350
14
290
382
351
315
921
450
560
320
400
16
310
432
398
355
1021
535
580
450
450
18
330
484
448
370
1143
535
580
500
500
20
350
535
495
420
1192
535
580
560
600
24
390
636
595
490
1327
570
660
720

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