Description

The VB21 vacuum breakers are simple and reliable devices that automatically relieve or “break” an unwanted vacuum condition, restoring the atmospheric pressure.
This device is particularly suitable for steam heated units of small and medium volume as heat exchangers, heating coils, calorifiers, jacketed kettles, steam boilers, etc.
Connections are female screwed.

USE: Saturated and superheated steam

AVAILABLE MODELS: VB21; VB21M

SIZES: ½” x 1/8”

CONNECTIONS:
Inlet ½” vertical
Outlet 1/8” horizontal
VB21-Female screwed ISO 7-1 Rp (BS21)
VB21M-Male screwed ISO 7-1 R (BS21)

INSTALLATION:
Vertical installation angled connection.
See IMI, installation and maintenance
instructions.

LIMITING CONDITIONS:
13 bar at 400 ºC
21 bar at 220 ºC