Fisher™ Y692VB Series vacuum breakers are used in applications where an increase in vacuum must be limited. An increase in vacuum beyond a registered value on the diaphragm of the Y692VB Series will open the regulator to allow atmosphere or a positive pressure to enter the system and restore the controlled vacuum to its original pressure setting.
| Body Sizes and End Connection Styles | Cast Iron: NPS 1-1/2, NPT NPS 2 / DN 50, NPT or CL125 FF Steel or SST: NPS 1-1/2 or 2 / DN 40 or 50, NPT, SWE, CL150 RF, CL300 RF, or PN 16/25/40 Hastelloy C: NPS 1-1/2 or 2 / DN 40 or 50, CL150 RF |
| Pressure Registration | Type Y692VB: Internal Type Y692VBM: External |
| Maximum Allowable Inlet Pressure | 1-3/16-inch / 30 mm Orifice: 13 psig / 0.9 bar 3/4-inch / 19 mm Orifice: 30 psig / 2.1 bar |
| Maximum Outlet (Casing) Pressure | 8 psig / 0,55 bar vacuum |
| Vacuum Control Pressure Ranges | 1-inch w.c. to 3 psig / 2 to 207 mbar in six ranges |
| Temperature Capabilities | NBR: -40° to 180°F / -40° to 82°C FKM: 40° to 300°F / 4° to 149°C FFKM: 0° to 300°F / -18° to 149°C EPDM: -20° to 275°F / -29° to 135°C VMQ: -40° to 400°F / -40° to 204°C |
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Askalon AB, filial i Finland, Hiekkamäentie 11, FI-01150 Sipoo, Finland
Phone. 020 741 6200, Email: sales@askalon.fi
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