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7120-8120 Pressure/Vacuum Relief Valve(Piped Away)
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The 7120-8120 Pressure/Vacuum Relief Valve are designed for use on atmospheric and low pressure storage tanks,pipe away. The primary function is to protects tanks from damager deformation, and minimizes emissions to the environment as well as loss of product due to evaporation.

 

Model

7120、8120 Weight loaded
7122、8122 Vacuum Spring loaded
7123、8123 Pressure/Vacuum Spring loaded
7125、8125 Pressure Spring loaded 


Design Features 

Sizes available 2″~12″(DN50~DN300);                                                          
The 7120 series outlet ports is same to inlet;
The 8120 series outlet ports is one pipe size larger than inlet flange to optimize flow capacity;       
Pipe away;
Protective screens are provided at pressure and vacuum ports to prevent entrance of foreign matter;
The Flame Arrester、Inlet Pipe、Steam Jacket、Blowing Hole、Lining or Humidity Absorber are options to client;                                                
Designed and tested according to API 2000;
The flanges are accordance with ANSI B16.5,or EN1092、JIS;
Available Materials:Aluminum、Carbon Steel、Stainless Steel、Special Materials on Application;


Setting Pressure/Vacuum

Setting  KPa

7120、8120

7122、8122

7123、8123

7125、8125

Set pressure

0.2~6.9

0.2~6.9

6.9~103.4

6.9~103.4

Set Vacuum

-0.2~-4.3

-4.3~-82

-0.2~-4.3

-4.3~-82


7120、7122、7123、7125 Dimensions, mm

Nominal Size

 2x2″

[50x50]

 3x3″

[80x80]

  4x4″

[100x100]

  6x6″

[150x150]

  8x8″

[200x200]

  10x10″

[250x250]

  12x12″

[300x300]

L

360

406

445

546

696

853

995

W  Width

200

200

230

280

345

406

485

H1

340

359

417

523

648

789

923

H2

422

441

525

660

893

1055

1257

A

138

138

153

166

216

273

320

B

226

245

280

350

420

515

590


8120、8122、8123、8125 Dimensions, mm

Nominal Size

 2x3″

[50x80]

 3x4″

[80x100]

  4x6″

[100x150]

  6x8″

[150x200]

  8x10″

[200x250]

  10x12″

[250x300]

  12x14″

[300x350]

L

360

435

494

641

798

940

1116

W  Width

200

230

280

345

406

485

533

H1

340

402

498

640

744

875

984

H2

422

510

636

884

1010

1209

1253

A

138

153

166

216

273

320

381

B

226

265

327

411

470

542

616

If you have any enquiry about quotation or cooperation, please feel free to email us at sales@aran-valve.com or use the following enquiry form. Our sales representative will contact you within 24 hours. Thank you for your interest in our products.

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