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TT7120/8120 Breather Pressure Vacuum Relief Valve Breather Valve

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TT7120/8120 Breather Pressure Vacuum Relief Valve Breather Valve

The 7120/8120 series exhalation pipeline breather valve is a pressure/vacuum relief valve for the discharge outlet piping, for discharging (recycling, toxic or hazardous media) for recovery processing.

Additional information

Description

The 7120/8120 Series exhalation pipeline breather valve is a pressure/vacuum relief valve for the discharge outlet piping, for discharging (recycling, toxic or hazardous media) for recovery processing.

tt7120/8120 breather pressure vacuum relief valve

7120, 8120 Gravity-plus Type Breathing Valve
7122, 8122 Negative Pressure Spring Type Breathing Valve
7123, 8123 Positive/Negative Pressure Spring-Loaded Breathing Valve
7125, 8125 Positive Pressure Spring-Loaded Breathing Valve

tt7120/8120 breather pressure vacuum relief valve

Design Features of Breather Pressure Vacuum Valve

  • Size: 2″ ~12″(DN50~DN300)
  • API7120 series breathing valve discharge port is the same as the inlet port, which is convenient for the end-users to choose.
  • API8120 series breathing valve discharge port is larger than the inlet, in order to increase the exhaust volume.=
  • Breathing method: pipeline discharge, inhalation atmosphere.
  • The rain cap is easy to disassemble and install, so as to facilitate the inspection and maintenance of equipment; the protective net can prevent external debris from entering the breathing port.
  • According to the user’s needs, explosion-proof flame arrestor, inlet bend, jacket, blowing hole, lining, dehumidification, and other functions can be added (to be confirmed before ordering).

Setting Pressure For Breather Pressure Vacuum Relief Valve

Model 7120.8120 7122.8122 7123.8123 7125、 8125
Positive Pressure Setting(KPa) 0.2-6.9 0.2-6.9 6.9-103.4 6.9-103.4
Negative Pressure Setting(KPa) -0.2—4.3 -4.3—82 -0.2–4.3 -4.3—82

 

tt7120/8120 breather pressure vacuum relief valve

Dimension Sheet For 7120, 7122, 7123, 7125 Series

Size 2″ x 2″ [50×50] 3″ x 3″ [80×80] 4″ x 4″ [100×100] 6″ x 6″ [150×150] 8″ x 8″ [200×200] 10″ x10″ [250×250] 12″x 12″ [300×300]
L 345 406 445 546 696 853 995
H1 300 359 417 523 648 789 923
H2 412 441 525 660 893 1055 1257
A 123 138 153 166 216 273 320
B 220 245 280 350 420 515 590

Dimension Sheet For 8120, 8122, 8123, 8215 Series

Size 2″[50] 3″[80] 4″(100] 6″[150] 8″[200] 10″|250] 12″[300]
L 360 435 494 641 798 940 1116
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
breather-valve-pressure-vacuum-valve-flame-arresters
 

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