hiseamarine

Emergency Vent Manhole Cover

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Emergency Vent Manhole Cover

Emergency Vent Manhole Cover :

1.Manufacture standard:GB5908-86.

2.End type:Flange/Thread.

3.End standard:HG,GB,SH,HGJ,JB,ANSI,JIS.

4.Operating pressure:200mmH2O¡«1500mmH2O.

5.Materials of construction£º

NO

1

2

3

4

5

Component

Body

Stem Guide

Pressure Disk

Pressure Seat

Coating


Material

Steel

Aluminums

Casting

304

316

316L

PTFE

304

316

316L

PTFE

304

316

316L

PTFE

304

316

316L

PTFE

6.Dimension table£º

DN

450

500

600

700

750

L

370

380

480

540

600

H

658

708

808

908

955

7.Drawing of emergency vent manhole cover

Emergency Vent Manhole Cover

OrderConstruction£º

Please give clear indication of Dimension operating pressure and material.

Please give clear indication of flange, material and operating pressure if you need other standard.

Contact with us now

Our mail: manager@hiseamarine.com

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