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Pop-up vent valve

Products > Metallurgical valve > Pop-up vent valve

Pop-up vent valve

Model: XB-42-II
Nominal diameter: DN300 ~ 1000mm
Nominal pressure: ≤ 0.1Mpa
medium temperature: 425 deg.] C
Main material: carbon steel, aluminum
scope: natural gas pipelines, oil
Flange Standard: GB / T9115- 98
Connection Size: GB2555-81PN2.5
Test Method: GB / T13927-92
Contact purchase
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Special structure and purpose : 
This series of vent valve by the body, burst membrane, gripper, valve cover, hammer and other components. Burst membrane installed in the middle of the holder, with the valve body bolted. System overpressure, rupture of the rupture membrane, instant pressure relief, the valve cover pops up under gravity reset. The vent valve in the replacement of the rupture membrane when the valve body and the holder must be lifted vertically. 
Bursting membrane owned by the user according to the process characteristics, mainly for building materials, metallurgy, petroleum, chemical and other administrative departments.

 

Key Features

model

XB-61 XB-42

For blasting calculation pressure (must) MPa

0.1

Strength test pressure MPa

1.5

Operating temperature ℃

Compress explosive gas

Suitable media

Compress explosive gas

 

Main parts material:

Part Name

Body

Connector

lever

cap

Sealing ring

Diaphragm

material

Carbon steel

Carbon steel

Carbon steel

Carbon steel

rubber

Aluminium Alloy

 

The main shape and size of the connection table

DN

D

n-φd

D1

b

L

L1

H

Weight kg

300

440

12-φ22

395

16

880

250

250

52

350

490

12-φ22

445

16

907

250

275

69

400

540

16-φ22

495

16

1010

250

300

77

450

595

16-φ22

550

16

1060

252

325

83

500

645

20-φ22

600

20

1180

300

370

112

600

755

20-φ26

705

20

1280

300

420

152

700

860

24-φ26

810

20

1390

300

470

193

800

975

24-φ30

920

20

1480

300

520

165

900

1075

24-φ30

1020

20

1590

350

600

335

1000

1175

28-φ30

1120

20

1680

350

650

375


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