Technical data

• Vessel volume: 255 l/67 US.liq.gal. (WS...E)/400 l/105 US.liq.gal. (WS...D)
• Maximum pressure in the discharge line: 6 bar (87 psi)
• Pressure connection: R 1½ (WS 40), R 2 (WS 50)
• Inlet connection: DN 100/150/200
• Ventilation connection: 75 mm (3 in)
• Cable pipe for ground installation: 63 mm (2.5 in)
• Threaded cable glands for building installation:
• WS 40E .../WS 50E ...: 1x M25 + 2x M16
• WS 40D .../WS 50D ...: 2x M25 + 2x M16
• Fluid temperature: 3 ... 40 °C (37 ... 104 °F)
• Max. ambient temperature: 3 ... 40 °C (37 ... 104 °F)
• Max. groundwater level: 500 mm (20 in)