Oil Sealed Liquid Ring – System Selection

Duplex Systems

System Model Number Pump HP System

Tank Size

Pump SCFM at 19″Hg System SCFM at 19″Hg Catalog Cuts Suggested Specs
1DWOT15B200 15

Duplex Base Mounted

200 87.6 87.6* Catalog Cuts Specs
1DWOT20B200 20 200 113.1 113.1* Catalog Cuts Specs
*System capacities are shown without the reserve pump per NFPA 99


Triplex Systems

System Model Number Pump HP System

Tank Size

Pump SCFM at 19″Hg System SCFM at 19″Hg Catalog Cuts Suggested Specs
1TWOT15B200 15

Triplex Base Mounted

200 87.6 175.2* Catalog Cuts Specs
1TWOT20B200 20 200 113.1 226.2* Catalog Cuts Specs
*System capacities are shown without the reserve pump per NFPA 99


Quadruplex Systems

System Model Number Pump HP System

Tank Size

Pump SCFM at 19″Hg System SCFM at 19″Hg Catalog Cuts Suggested Specs
1QWOT15B200 15

Quad Base Mounted

200 87.6 262.8* Catalog Cuts Specs
1QWOT20B200 20 200 113.1 339.3* Catalog Cuts Specs
*System capacities are shown without the reserve pump per NFPA 99

The EMSE Design Guide

The EMSE interactive Design Guide calculates total demand, recommends multiple system designs, calculates intake, exhaust, riser, branch and zone piping sizes--all optimized based on user input. Start designing your system now.

Go to Design Guide