Explosion Vents

Explosion Vents

Performance Features

  • Unique, economic, and patented design.
  • Accurate reliable and leak tight.
  • Enhanced abrasion resistance.
  • One-piece metal construction without slits on the process side avoiding product accumulation.
  • Optional design for aseptic/sanitary applications.
  • No fragile PTFE seal that may puncture and admit moisture.
  • Superior dynamic performance due to low mass compared with composite designs.
  • Operating pressures up to 60% of the minimum tagged pressure rating (80% under certain conditions).
  • Thermal insulation available to permit use in operating temperatures to 2000°F/1093°C, to reduce heat loss or prevent condensation.
  • Supplied with integral gaskets ready for installation.
  • Fail-safe design, if damaged it will provide a relief opening below its rated pressure

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  • Types
  • Rectangular/Square Sizes
  • Round Sizes
  • Documentation

Types

Vent-Saf Explosion Vents
Types VSP™ and VSS™ Domed single section metal explosion vents with integral gaskets. The dome resists vacuum and vacuum cycling.
Type VSP-M™ A flat, single section explosion panel with integragal frame and gaskets designed for applications in dust collectors, cyclones, conveyors.
Type VSP-L Stainless steel vent designed for low pressures to 0.33 psig (0.022 barg)
Type VSE™ A flat, single section metal explosion vent with integral gaskets designed for near static operating pressures.
Type VSB™ Building vent for protection of building structures by very low pressure explosion vents.
Type EXP™ A flat vent with a slotted 316ss top section and FEP / PTFE seal.
Type EXP-V™ provides vacuum support
Type EXP-DV™ A round domed explosion vent of composite construction with integral vacuum support and gaskets.
Type LCV™ A flat explosion vent of composite construction with integral gaskets.
Type HTV™  A lightly domed vent designed for high temperature service to 1,000°F (538°C) and above.

Current Certifications

  • High operating ratio up to 100% (CE) / 95% (ASME)
  • Full vacuum resistance
  • Solid metal construction enabling optimum leak tightness
  • Designed for non-fragmentation
  • Recommended for isolation of pressure relief valves
  • Three-dimensional stainless steel tag with product identification and traceability data, as well as code symbol stamps as required

Rectangular/Square Panel Dimensions

Nominal Size Frame Inside Frame Outside Area
in mm in mm in mm in2 cm2
9 x 12 230 x 305 9 x 12 230 x 305 13 x 16 330 x 406 98 630
12 x 18 305 x 457 12 x 18 305 x 457 13 x 16 406 x 559 201 1298
18 x 18 457 x 457 18 x 18 457 x 457 22 x 22 559 x 559 306 1976
18 x 24 457 x 610 18 x 24 457 x 610 22 x 28 559 x 711 411 2653
18 x 30 457 x 762 18 x 30 457 x 762 22 x 34 559 x 864 516 3330
18 x 36 457 x 915 18 x 36 457 x 915 22 x 40 559 x 1016 621 4008
18 x 46.5 457 x 1181 18 x 46.5 457 x 1181 22 x 50.5 559 x 1283 789 5091
19 x 59 483 x 1499 19 x 59 483 x 1499 23 x 63 584 x 1600 1082 6982
24 x 24 610 x 610 24 x 24 610 x 610 28 x 28 711 x 711 552 3562
24 x 30 610 x 762 24 x 30 610 x 762 28 x 34 711 x 864 693 4473
24 x 36 610 x 915 24 x 36 610 x 915 28 x 40 711 x 1016 834 5382
Note: Other vent or panel sizes, materials and burst pressures are available upon request - consult BS&B.
VSB Explosion Vent
VSB Explosion Vent

Round Panel Dimensions

Nominal Size Frame Inside Frame Outside Frame Angle Area
in mm in mm in mm in mm in2 cm2
16 406 16.25 412.75 19.75 501.65 1.75 44.45 192 1236
18 457 18.25 463.55 21.75 552.45 1.75 44.45 243 1568
20 508 20.25 514.35 23.75 603.25 1.75 44.45 301 1939
24 610 24.25 615.95 27.75 704.85 1.75 44.45 434 2799
30 762 30.25 768.35 34.25 869.95 2 50.8 680 4385
32 813 32.25 819.15 36.25 920.75 2 50.8 774 4992
36 915 36.25 920.75 40.25 1022.35 2 50.8 980 6325
40 1016 40.25 1022.35 44.25 1123.95 2 50.8 1211 7815
44 1118 44.25 1123.95 48.25 1225.55 2 50.8 1467 9462
Note: Other vent or panel sizes, materials and burst pressures are available upon request - consult BS&B.
VSB Explosion Vent
VSB Explosion Vent