www.stauff.com/10/en/#51 C 51 Catalogue 10 § Edition 01/2024 Particle and Desiccant Breathers Dimensional drawings: All dimensions in mm (in). Valve Unit Type PSU-P-TF Characteristics Valve Units type PSU-P-TF increase the service life and reduce maintenance intervals of particle and desic - cant breathers and tank filler breathers due to less air movement Features Thread: G3/4 BSP Female (ISO 228) Reservoir Pressurisation with 0.35bar / 5PSI (no air is expelled from the reservoir until the pressurisation level is reached) Intended for Particle and Desiccant Breather series SDB, with adaptor also suitable with series SDBL and SVDB and also with breathers SPB and SMBT. Materials Adaptor made of Aluminum Valves made of plastic Seals made of NBR (Buna-N®) Operating temperature range: -40°C ... +120 °C / -40°F ... +248 °F SW41 (Hex 1.61) 93 (3.12) Ø50 (Ø1.97) Valve Unit Type PSU-P Valve Unit Type PSU-QE Dimensional drawings: All dimensions in mm (in). Characteristics Valve Units type PSU-P allows the maintaining of the Reservoir Pressurisation from 0.35 bar / 5 PSI. Attached to the internal thread of the Desiccant Breather housing (only for type SDBL/SVDB-121 and SDBL/ SVDB -122) and designed in such a way that the overall length of the Desiccant Breather is only slightly increased. Due to its installation in the housing, the valve unit cannot be combined with the oil demister insert of type PSU-OD. Features Thread: G1-1/4 BSP Male (ISO 228) Reservoir Pressurisation with 0.35bar / 5PSI (no air is expelled from the reservoir until the pressurisation level is reached) Opening Pressure: 0.02 bar / .29 PSI (Air flow into the Tank) Materials Adaptor made of steel, zinc-plated Valves made of plastic Seals made of NBR (Buna-N®) Operating temperature range: -40°C ... +120 °C / -40°F ... +248 °F Dimensional drawings: All dimensions in mm (in). Characteristics Valve Units type PSU-QE are used to discharge outflowing air (with the 6 valves on the hexagon) past the Drying Agent to extend the service life. Attached to the internal thread of the Desiccant Breather housing (only for type SDBL/SVDB-121 and SDBL/SVDB -122) and designed in such a way that the overall length of the Desiccant Breather is only slightly increased. Due to installation in the housing, the valve unit cannot be combined with the oil demister insert of type PSU-OD. Features Thread: G1-1/4 BSP Male (ISO 228) Opening Pressure of the Check Valves: 0.02bar / .29 PSI (Air flow into and out the Tank) Check Valve with 0.35 bar / 5 PSI Materials Adaptor made of steel, zinc-plated Valves made of plastic Seals made of NBR (Buna-N®) Operating temperature range: -40°C ... +120 °C / -40°F ... +248 °F G 1-1/4 20 (.79) 40 (1.57) G 1-1/4 SW50 (Hex 1.97) 0,35 bar (5 PSI) 0,02 bar (.29 PSI) G 1-1/4 19,8 (.78) 45,2 (1.78) G 1-1/4 SW65 (Hex 2.56) 0,35 bar (5 PSI) 0,02 bar (.29 PSI) 0,02 bar (.29 PSI) 0,35 bar (5 PSI) 0,02 bar (.29 PSI) Order Code Order Code TBA-090-B12F-B12F-B0.35 Order Code Order Code TBA-SDBL-120-B20-B0.35-P Order Code Order Code TBA-SDBL-120-B20-B0.35-QE
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