OsecoElfab’s MV-CD Explosion Vents

OsecoElfab’s MV-CD (Metal Vent-Circular Domed) explosion vent is designed to be crowned and round for use with round ductwork. The vent may be exposed to system pressures up to 70% of the stamped burst pressure range with good service life. The MV-CD’s perimeter stitching of the top section allows utilization of much thicker materials than other domed designs, which allows for a high cycling vent. The MV-CD can withstand full vacuum without the need for vacuum support bars on the frame.

The MV family offers an industry-leading performance tolerance of +/- 0.25 psig. Each vent features design characteristics that reduce the maintenance required while offering a longer service life. All vents meet the requirements of the OHSA Combustible Dust National Emphasis Program and NFPA 68. A 10-day lead time is available for common sizes of MV-CD, MV-CD and MV-RF through our MV vent stocking program.

The MV-CD is available in sizes ranging from 8” diameter all the way up to 36” diameter.
The MV-CD is available in set pressures ranging from 1.5 psig up to 10 psig.
The MV-CD has a set pressure tolerance of +/- 0.25 psig.
The MV-CD is rated for temperatures ranging from -20 degrees F all the way up to 150 degrees F.
The MV-CD has a 70% operating ratio, meaning the MV-CD operates reliably and with a long service life at pressures up to 70% of the marked burst pressure. Pressure excursions above this 70% operating ratio will shorten the lifespan of the MV-CD.
The MV-CD is available with a 2-year warranty as a standard.
The MV-CD is available in all OE standard materials (316 Stainless Steel, Nickel 200, Inconel 600, Monel 400, and Hastelloy C 276). Other materials may be available or offered on request.
The MV-CD utilizes a hinged opening design, ensuring it remains non-fragmenting.
The MV-CD is capable of withstanding full vacuum.
The MV-CD is designed to meet all NFPA 61 and NFPA 68 requirements for explosion vents.
The MV-CD can be paired with the SVT-03 sensor, to allow for remote monitoring of vent activation.
For an 8” MV-CD, the relief area is 45.0 square inches.
For a 10” MV-CD, the relief area is 72.0 square inches.
For a 12” MV-CD, the relief area is 101.0 square inches.
For a 14” MV-CD, the relief area is 135.0 square inches.
For a 16” MV-CD, the relief area is 176.0 square inches.
For an 18” MV-CD, the relief area is 227.0 square inches.
For a 20” MV-CD, the relief area is 279.0 square inches.
For a 24” MV-CD, the relief area is 415.0 square inches.
For a 28” MV-CD, the relief area is 530.0 square inches.
For a 30” MV-CD, the relief area is 650.0 square inches.
For a 32” MV-CD, the relief area is 754.0 square inches.
For a 34” MV-CD, the relief area is 855.0 square inches.
For a 36” MV-CD, the relief area is 955.0 square inches.
For an 8” MV-CD, the minimum set pressure is 4.5 psig, and the maximum set pressure is 10.0 psig.
For a 10” MV-CD, the minimum set pressure is 3.6 psig, and the maximum set pressure is 10.0 psig.
For a 12” MV-CD, the minimum set pressure is 3.0 psig, and the maximum set pressure is 10.0 psig.
For a 14” MV-CD, the minimum set pressure is 2.6 psig, and the maximum set pressure is 10.0 psig.
For a 16” MV-CD, the minimum set pressure is 2.3 psig, and the maximum set pressure is 10.0 psig.
For an 18” MV-CD, the minimum set pressure is 2.0 psig, and the maximum set pressure is 10.0 psig.
For a 20” MV-CD, the minimum set pressure is 1.8 psig, and the maximum set pressure is 10.0 psig.
For a 24” MV-CD, the minimum set pressure is 1.5 psig, and the maximum set pressure is 10.0 psig.
For a 28” MV-CD, the minimum set pressure is 1.5 psig, and the maximum set pressure is 10.0 psig.
For a 30” MV-CD, the minimum set pressure is 1.5 psig, and the maximum set pressure is 10.0 psig.
For a 32” MV-CD, the minimum set pressure is 1.5 psig, and the maximum set pressure is 10.0 psig.
For a 34” MV-CD, the minimum set pressure is 1.5 psig, and the maximum set pressure is 10.0 psig.
For a 36” MV-CD, the minimum set pressure is 1.5 psig, and the maximum set pressure is 9.7 psig.