NOMINAL SIZE
- 2", 3",4", 6", 8", 10" and 12"
- 14" through 20" sizes are available upon request.

CONNECTIONS
- ASME B16.5 Class 150 Flange
- KS/JIS10K Flange

SEWON free vents are used on the top of storage tank containing non-flammable liquid or on the end of vent pipe. this model is fitted a weather hood on the vent nozzle, it enable to reduce the weight compare with goose neck type vent.

Available in carbon steel, 304 S.S, 316 S.S and other special materials compact design and simple structurer. Available in size 1”to 20” Fitted stainless steel bird screen May be combined with flame arrester for flammable fluid storage tanks Drilling conforming to ASME B16.5 for class 150 flanges, or KS/JIS 10K flanges. Other standards are available on customer? request.
Consult our factory for special application or special design.

Specifications

Materials

▶ Other special materials are available upon customer`s request.

Basic Ordering Information

1. Model and type
2. Fluid Handling
3. Operating Temperature & Pressure ranges
4. Height & Diameter of tank
5. Pumping(Filling/Emptying)rates
6. Size and Connection
7. Material