Nominal pressure MPa

0.4

0.8

Seal test pressure MPa

0.44

0.88

Strength test pressure MPa

0.5

1.2

Opening and closing time

Pneumatic drive S

≤15

Drive source

pneumatic

Compressed air 0.4-0.6MPa

Hydraulic drive S

≤25

Liquid

Pressure oil 4-6MPa

Applicable temperature ℃

≤120

Suitable media

Containing gas dust, dust dust, pulverized coal and other dry powder material

200

370

330

280

390

350

300

740

350

480

8-18

250

420

380

330

440

400

350

790

400

530

12-18

300

480

440

380

500

460

400

840

450

580

12-22

350

530

490

430

550

510

450

910

500

630

12-22

400

620

570

500

650

600

500

960

550

680

16-22

450

670

620

550

700

650

550

1010

600

730

16-22

500

720

670

600

750

700

600

1060

640

770

20-22

600

835

700

700

865

810

700

1200

680

810

20-26

700

935

800

800

965

910

800

1300

730

860

24-26

800

1055

900

900

1083

1020

900

1400

760

890

24-30