Detailed Product Description 2 W Series 2/2 Way Valves ( Large Aperture) Model: 2W160-10, 2W160-15, 2W200-20, 2W250-25, 2W350- ... -35,2S400-40,.2S500-50Working media: air, water, oil, gasMotion pattern: Direct drive typeType: NO/NCMax pressure resistance: 1.05MpaOperation Temperature: -5-80oCMaterial of ...