亚洲视频一区二区,国产一区二区网站,国产精品…在线观看,欧美高清正版在线,欧美日韩 国产区 在线观看,亚洲最新视频在线观看

Power station gate valve

Products > Power station valve > Power station gate valve

Power station gate valve

Model: Z960Y
Nominal diameter: NPS 2 "~ 20" DN50 ~ 500mm
Nominal pressure: Class900 ~ 2500Lb PN150 ~ 20MPa
Temperature: -29 ℃ ~ + 600 ℃
Design criteria: API 600, ASME B16.34, DL / T 531, JB / T3595
Structural length: DL / T 531, ASME B16.10 , GB / T 12221
Connection standard: DL / T 531, JB / T3595, ASME B16.25
Pressure Test: API 598, GB / T 13927, JB / T 9092
Pressure - Temperature Ratings: API 598, GB / T 13927, GB / T 26480, JB / T9092, JB / T3595
Contact purchase
shared:

Open the process

1, in the closed position, the valve body by the mechanical pressure on the valve, squeezed on the seat.
2, when the hand wheel is rotated counterclockwise, the valve stem is reverse movement, the bottom of the angular plane so that the ball off the valve seat.
3, the stem continues to improve, and the stem of the guide groove in the spiral groove interaction, the ball began to rotate frictionless.
4 until the fully open position, the valve stem to the limit position, the ball rotates to the fully open position.
 

Close the process

1, When closed, turn the handwheel clockwise, the stem begins to descend and the ball leaves the seat and begins to rotate.
2, continue to rotate the hand wheel, the stem by the guide groove embedded in the spiral groove on the role of the valve stem and the gate at the same time rotating 90 degrees.
3, about to close the gate body has been in contact with the seat without rotating 90 degrees.

4, the last few turns of the hand wheel rotation, the bottom of the valve rod angular plane mechanically wedged to the ball pressure, so that it tightly pressed on the valve seat, to achieve complete sealing.


 [Valve Features]

1, the valve cavity with self-tight pressure seal structure, good sealing performance.

2, the valve disc, seat sealing surface made of cobalt-based hardfacing welding, wear-resistant, high temperature, anti-abrasion performance, long service life.

3, the stem by the nitrided corrosion resistance, good corrosion resistance and scratch resistance.

4, high temperature creep design.

5, valve cover stuffing box depth and reasonable, filler plus corrosion inhibitor, sealed and reliable.

6, the valve has a sealed structure to ensure that the valve stem open at run time will not leak.

7, the valve drive mode manual, gear drive, electric, remote control and automation can be achieved.


[Main dimensions]

Nominal diameter

The main dimensions and connection dimensions

Electric device

Weight (kg)

d

L

H

L1

L2

Z960Y-250

100

84

406

1164

437

277

DZW45

234

125

100

483

1402

437

277

DZW60

343

175

158

711

1650

554

309

DZW180

638

225

200

864

1650

554

309

DZW180

654

300

280

1067

2106

764

398

DZW350

1973

Z960Y-320

100

96

533

1236

437

277

DZW60

291

125

118

610

1302

437

277

DZW60

315

150

148

762

1403

526

283

DZW90

672

175

148

762

1650

554

309

DZW180

684

225

222

1041

1650

554

309

DZW180

696

Z960Y-P54100V

175

148

762

1650

554

309

DZW180

683

225

222

1041

1650

554

309

DZW180

704

250

222

1041

1795

554

309

DZW180

1214

300

294

1245

2080

554

309

DZW250

2125

Z960Y-P54170V

125

98

630

1230

437

277

DZW60

312

225

186

1060

1680

554

309

DZW180

1401

300

278

1397

2265

764


DZW500

2834

325

310

1448

2265

690

398

DZW500

2632

350

338

1550

2536

715


DZWC-4



chinese国产在线视频| 免费特级黄毛片在线成人观看| 久久久噜噜噜久久网| 天天看影院| 国产成人久久91网站下载| 久久无码人妻一区二区三区| 亚洲国产精品综合福利专区| 隔壁老王国产在线精品| 亚洲av无码片vr一区二区三区| 被按摩的人妻中文字幕| 卡一卡二卡三专区免费看| 亚洲伊人久久精品影院| 国产自产在线视频一区| 亚洲va久久久噜噜噜久久天堂| 国产精品毛片在线完整版| 日韩精品久久无码人妻中文字幕 | 欧美三级不卡在线观看| 最近2019中文字幕免费看最新| 精品久久国产字幕高潮| 亚洲人成无码网www| 狠狠色噜噜狠狠狠狠97俺也去| 亚洲第一页综合图片自拍| 国模精品一区二区三区视频| 亚洲精品mv在线观看| 精品国产一区二区三区av性色| 亚洲国产夜色在线观看| 精品国产麻豆免费网站| 樱花草www日本在线观看| 久久久精品久久久久特色影视| 中文字幕日韩精品有码视频 | 大学生久久香蕉国产线看观看| 免费在线观看视频a| 丰满多毛的陰户视频| 日韩一区二区三区精品| 国产精品无码永久免费888| 午夜不卡av免费| 精品精品国产自在香蕉网| 最近2019中文字幕大全第二页| 两根大肉大捧一进一出好爽视频| av无码a在线观看| 日日碰狠狠添天天爽不卡|