久久综合精品一区二区三区I乱子伦熟妇I久久精品欧美I777成熟人综合网IA片首页资源I日韩欧美一区二区三区久久婷婷I在线亚洲精品I91日韩色I97精品人妻无码视频I性做久久久久久久免费看I在线黄色国产电影I丰满人妻一区=区三区在线视频I99视频精品视频高清免费IChinese偷拍一区二区三区I99久久99九九九99九他书对I性色美女亚洲I国产精品美女免费视频I夜夜春神马久久

Pressure relief valve

Products > Metallurgical valve > Pressure relief valve

Pressure relief valve

Model: QP742Y
Nominal diameter: DN200 ~ 500 mm
Nominal pressure: 0.25MPa
Operating temperature: ≤250 ℃
Suitable medium: air, gas and other gases
Input signals: 0-10 or 4-20mA · DC
Transmission Type: hydraulic transmission
Method Blue Standard: GB / T9115-98
Connection Size: GB2555-81PN2.5
Detection: GB / T13927-92
Contact purchase
shared:
Main dimensions, connection dimensions and quality            unit: mm

DN(mm)

PN(MPa)

L

D

D1

D2

b

H

200

0.1

225

375

320

284

20

865

250

0.1

225

425

370

330

20

890

300

0.1

245

485

430

389

22

1020

250

0.1

265

555

490

448

22

1100

400

0.1

265

620

555

503

24

1225

450

0.1

285

645

600

570

24

1265

480

0.1

285

735

685

650

24

1320

500

0.1

285

755

705

670

26

1330

550

0.1

285

805

755

720

26

1360

600

0.1

285

850

795

745

28

1385

610

0.1

285

860

810

772

28

1395

650

0.1

285

910

830

794

28

1410

675

0.1

300

935

855

789

28

1425

700

0.1

300

980

890

845

30

1495

800

0.1

300

1075

985

940

30

1541

900

0.1

300

1190

1125

1070

30

1718

1000

0.1

410

1320

1210

1140

32

1650

1200

0.1

470

1530

1420

1350

36

1795

1250

0.1

470

1590

1475

1410

36

1800