www.internationalvalve.com
INSTALLATION, OPERATION AND MAINTENANCE MANUAL
MODEL SWG, SERIES C, B, V, N
International Valve Marketing, LLC
Page | 4
Last Revision Date: 09/13/2013
The functions of a model SWG Sewage valve are:
(i)
Series C:
Allow large air release at start-up
Discharge of air/gas from pressurized pipeline
Surge control to prevent the development of hydraulic transients during start-up and
pressure surges
Full port, high volume air intake for vacuum relief
(ii)
Series B:
Controlled air/gas discharge at pump start up
Discharge of air/gas from pressurized pipeline
Surge control to prevent the development of hydraulic transients during start-up and
pressure surges
Full port, high volume air intake for vacuum relief
(iii)
Series V:
Allow large air release at start-up
Discharge of air/gas from pressurized pipeline
Surge control to prevent the development of hydraulic transients during start-up and
pressure surges
(iv)
Series N:
Full port, high volume air intake for vacuum relief
(b)
Valve Body
SWG10
10 Bar
Standard Body
SWG16 / SWG25
16-25 Bar
Expanded Body
SWG10 / SWG16 / SWG25
10-25 Bar
Reduced Height Body
(c)
Base Flange
Male NPT Thread
-T
Threaded Connection
ANSI Studded Flange
-S
Studded Connection
Trophy Connection
-R
Bolted Connection
