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Botou Ever Lucky Environmental Protection Machinery Co., Ltd. (abbreviation: Ever Lucky Machinery) is an professional manufacturer of environmental machinery
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medium pressure butterfly air vent valve
Butterfly valve is a simple structure of the regulating valve, but also can be used for low-pressure pipeline switch control. Ventilation butterfly valve is a non-sealed butterfly valve, widely used i
- Commodity name： medium pressure butterfly air vent valve
- Commodity ID： 1149765470459154432
- DESCRIPTION
-
Butterfly valve is a simple structure of the regulating valve, but also can be used for low-pressure pipeline switch control. Ventilation butterfly valve is a non-sealed butterfly valve, widely used in building materials, metallurgy, mining, electricity and other production process medium temperature ≤ 300 °C nominal pressure of 0.1Mpa pipeline, to connect, open and close or adjust the amount of medium.
DN
Flange Dia.
Bolt Size
L
L1
L2
N-Фd
Flange thickness
300
405
370
120
716
220
8-12
10
350
455
420
140
786
240
8-14
10
400
505
470
140
924
270
12-18
10
450
570
530
160
999
295
12-18
10
500
620
580
160
1079
325
12-18
10
600
720
680
180
1140
380
16-18
12
700
820
780
180
1240
430
16-18
12
800
920
880
200
1350
490
16-18
12
900
1040
990
200
1450
540
16-18
14
1000
1140
1090
220
1550
590
20-18
14
1100
1240
1190
220
1800
640
20-18
14
1200
1340
1290
240
1900
690
20-18
14
1300
1440
1390
240
2020
760
20-18
16
1400
1540
1490
260
2120
810
24-18
16
1500
1640
1590
260
2220
860
24-18
16
1600
1740
1690
280
2390
980
24-18
16
1700
1840
1790
280
2590
1030
28-22
16
1800
1940
1890
300
2709
1096
28-22
16
1900
2040
1990
300
2826
1146
32-22
16
2000
2150
2090
320
2926
1196
32-26
16
2200
2360
2300
340
3126
1296
36-26
16
2400
2560
2500
360
3326
1396
36-26
18
2600
2760
2700
380
3526
1496
40-26
18
2800
2960
2900
400
3726
1596
40-26
18
3000
3190
3110
400
4098
1698
44-30
18
3200
3390
3310
440
4338
1798
44-30
20
3400
3590
3510
440
4578
1898
48-30
20
3600
3790
3710
480
4780
1998
48-30
20
3800
4000
3910
480
5000
2098
52-30
22
4000
4210
4120
520
5200
2210
52-30
22
Structural features:1. It is designed and manufactured with a new type of structure welded with a midline disc plate and a short structure steel plate. It has a compact structure, light weight, easy installation, small flow resistance, large circulation, avoiding the influence of high temperature expansion, and easy operation.2. There are no connecting rods, bolts, etc., reliable operation and long service life. Can be installed in multiple stations, free from media flowClassification:As per the driver(1) Electric butterfly valve(2) Pneumatic butterfly valve(3) Hydraulic butterfly valve(4) Electro-hydraulic butterfly valveAs per structure(1) Center seal butterfly valve(2) Single eccentric seal butterfly valve(3) Double eccentric seal butterfly valve(4) Three eccentric seal butterfly valveAs per material(1) Soft seal butterfly valvea. The sealing pair consists of a non-metallic soft material and a non-metallic soft material.b. The sealing pair consists of a metallic hard material and a non-metallic soft material.(2) Metal hard seal butterfly valve. The sealing pair consists of a metal hard material and a metal hard material.As per Sealed(1) Forced seal butterfly valvea. Flexible seal butterfly valve. Sealing ratio pressure when the valve is closed, the valve plate squeezing the valve seat, the elasticity of the valve seat or the valve plateb. External torque sealing butterfly valve. The torque applied to the valve shaft generates sealing ratio(2) Pressure sealing butterfly valve. The pressure of the spring member-sealing member on the valve seat or valve plate generates sealing ratio pressure(3) Automatic sealing butterfly valve. The medium pressure automatically generates the seal pressure.According to work pressure(1) Vacuum butterfly valve. The working pressure is lower than the butterfly valve of the standard atmosphere.(2) Low pressure butterfly valve. Nominal pressure PN <1.6MPa butterfly valve.(3) Medium pressure butterfly valve. Nominal pressure PN is 2.5--6.4MPa butterfly valve.(4) High pressure disc valve. Nominal pressure PN is a 1.0 to 80.0 Maps butterfly valve.(5) Ultra-high pressure butterfly valve. Nominal pressure butterfly valve with PN >100MPa.As per operating temperature(1) High temperature butterfly valve. t>450 °C butterfly valve(2) Medium temperature valve. The butterfly valve of 120 C<t<450 C(3) Normal temperature butterfly valve. A 40C<t<; 120C butterfly valve(4) Low temperature butterfly valve. A 100<t<-40C butterfly valve(5) Ultra-low temperature butterfly valve. t<a 100 C butterfly valveAs per connection(1) Wafer type butterfly valve(2) Flange butterfly valve(3) Ear-type butterfly valve(4) Welded butterfly valveStructural Drawing:
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关键词：
- butterfly valve
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Botou Ever Lucky Environmental Protection Machinery Co., Ltd.
ADD
Botou city
Hebei province
