GESTRA SBO 11 Instrucciones De Montaje página 3

Installation Instructions
GESTRA Gravity Circulation Checks
®
SBO 11, SBO 21
PN 6, DN 1" or 1
Preferably used downstream of circulating pumps in heating or service-water
installations.
1. Valve inlet of all types provided with a collar for fitting a commercial-grade
union nut 1 /
1
SBO 11 valve outlet screwed female 1" or 1
SBO 21 valve outlet screwed male 1" or 1
2. Installations in any plane. If valves without a spring are used, install in
vertical pipelines with upward flow.
Use appropriate joint gaskets.
/ " BSP
1
4
" or 2" BSP (G).
2
/ " BSP (G).
1
4
1 / " BSP (R).
4