306 Trident Combination Vent
The Trident provides three-way venting plus overturn protection. It is designed to provide the pressure-actuated emergency venting plus inbreathing (vacuum) and Outbreathing (pressure). The Trident can be disassembled for cleaning. The pressure-actuated emergency venting has been flow tested and marked in accordance with D.O.T. MC306 Para. 178.341-4 N.F.P.A. 385 Para. 2263, and N.F.P.A. 407 Para. 616.
Product Details
| Part No. | Vent Assembly | Body | Seat | Wt. |
|---|---|---|---|---|
| 6131ALV | Aluminum with Stainless | Aluminum | Viton | 2.0 |
| 6131SSV | Stainless 316 | Stainless | Viton | 4.5 |
| Thru Area | Capacity | |
|---|---|---|
| Inbreathing Vent | 0.44 sq. in. | 1750 cu. ft. hr. @ 1 psig |
| Outbreathing Vent | 0.44 sq. in. | 3285 cu. ft. hr. @ 3 psig |
| Pressure Actuated Emergency Venting Rated Capacity @ 5 PSIG - 10,000 Cu. Ft. Hr. |
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| Note: To provide a proper load on disc, spring should be loaded to a length of 1 5/8 inches. | ||
