Waterworks Accessories 2-WAY SOLENOID VALVE Servo-Assisted Diaphragm Actuated Burkert 6281 Series This is a diaphragm actuated, servo-assisted pilot operated 2-Way solenoid valve. It is available in two versions: ■ Normally Closed (Model: 6218A) ■ Normally Open (Model: 6218B) Features ■ High flow rates (low head loss) ■ Normally Open, Normally Closed or Latch versions Technical Data Ports: %",%" NPT General purpose: IP 65 with DIN, cable plug Standard materials: Body: Brass Elastomers: NBR Enclosure: Molded epoxy Internals: Stainless Steel Temperature: Nominal ambient: 0.5 to 55°C; 33 to 131°F(1) Maximum fluid: 0 to 90°C; 32 to 194°F Electrical data: Voltages:(2) (ac): 24, 110, 220 (50Hz) (ac): 24, 120, 240 (60Hz) (dc): 24, 110, 220 Latch: 9VDC Tolerance: ±10% Power consumption: (ac): 21 VA, inrush; 12 VA (8W), holding (dc): 8W Port Size Notes: (1) Max. ambient temperature is detemined under continuously energized conditions, and with max. fluid temperature. (2) A minimal pressure differential of 0.5 bar (7.5 psi) is required for complete opening. All images in this catalog are for illustration only www.bermad.com The information contained herein may be changed by BERMAD without notice. BERMAD shall not be held liable for any errors. © Copyright 2009-2019 BERMAD CS Ltd. August 2019